ai-learn-use · Apr 3, 2021 · Apr 4, 2021 · Apr 4, 2021 · Apr 4, 2021 · Apr 4, 2021
Showing 752 changed files with 101,852 additions and 96,850 deletions.
diff --git a/.editorconfig b/.editorconfig
@@ -1,4 +1,63 @@
-[*.cs]
+# Rules in this file were initially inferred by Visual Studio IntelliCode from the C:\Projects\randd\randd_address_separator\dotnet\Sansan.RD.AddressSeparator.Tests\ codebase based on best match to current usage at 2022/08/18
+# You can modify the rules from these initially generated values to suit your own policies
+# You can learn more about editorconfig here: https://docs.microsoft.com/en-us/visualstudio/ide/editorconfig-code-style-settings-reference
+[*.cs]
+
+
+# IDE0160: Convert to file-scoped namespace
+csharp_style_namespace_declarations = file_scoped:warning
+
+#Core editorconfig formatting - indentation
+
+#use soft tabs (spaces) for indentation
+indent_style = space
+
+#Formatting - new line options
+
+#require braces to be on a new line for methods and types (also known as "Allman" style)
+csharp_new_line_before_open_brace = all#methods, types
+
+#Formatting - organize using options
+
+#sort System.* using directives alphabetically, and place them before other usings
+dotnet_sort_system_directives_first = true
+
+#Formatting - spacing options
+
+#remove space between method call name and opening parenthesis
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+#do not place space characters after the opening parenthesis and before the closing parenthesis of a method call
+csharp_space_between_method_call_parameter_list_parentheses = false
+#place a space character after the opening parenthesis and before the closing parenthesis of a method declaration parameter list.
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+
+#Style - expression bodied member options
+
+#prefer block bodies for methods
+csharp_style_expression_bodied_methods = when_on_single_line:suggestion
+
+#Style - implicit and explicit types
+
+#prefer var over explicit type in all cases, unless overridden by another code style rule
+csharp_style_var_elsewhere = true:suggestion
+#prefer var is used to declare variables with built-in system types such as int
+csharp_style_var_for_built_in_types = true:suggestion
+
+#Style - language keyword and framework type options
+
+#prefer the language keyword for local variables, method parameters, and class members, instead of the type name, for types that have a keyword to represent them
+dotnet_style_predefined_type_for_locals_parameters_members = true:suggestion
+
+#Style - modifier options
+
+#prefer accessibility modifiers to be declared except for public interface members. This will currently not differ from always and will act as future proofing for if C# adds default interface methods.
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:suggestion
+
+#Style - Modifier preferences
+
+#when this rule is set to a list of modifiers, prefer the specified ordering.
+csharp_preferred_modifier_order = public,internal:suggestion
+
 
 # CA1711: Identifiers should not have incorrect suffix
 dotnet_diagnostic.CA1711.severity = none
@@ -15,3 +74,10 @@ dotnet_diagnostic.CA1014.severity = none
 
 # IDE0079: Remove unnecessary suppression
 dotnet_diagnostic.IDE0079.severity = none
+
+
+[*.{cs,vb}]
+dotnet_style_allow_statement_immediately_after_block_experimental=false:silent
+
+[*]
+insert_final_newline = true
diff --git a/.github/workflows/docfx.yml b/.github/workflows/docfx.yml
@@ -3,33 +3,54 @@ name: DocFX
 on:
   push:
     branches:
-      - master
+      - main
+  workflow_dispatch:
 
 jobs:
   build:
 
-    runs-on: windows-2019
+    runs-on: windows-latest
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
 
+      - name: Install .NET
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: 8.0.x
+
+      - name: Setup MSBuild.exe
+        uses: microsoft/setup-msbuild@v2
+
       - name: DocFX
         shell: cmd
         run: |
           choco install docfx -y
           docfx docfx\docfx.json
 
       - name: Upload DocFX packages
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: docfx_site
           path: ${{ github.workspace }}\docfx\_site
 
-      - name: Publish Documentation on GitHub Pages
-        uses: peaceiris/actions-gh-pages@v3
+      - uses: actions/upload-pages-artifact@v3
         with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}
-          publish_dir: docfx/_site
+          path: docfx/_site
+
+  deploy:
+   needs: build
+   permissions:
+     pages: write
+     id-token: write
+   environment:
+     name: github-pages
+     url: ${{ steps.deployment.outputs.page_url }}
+   runs-on: ubuntu-latest
+   steps:
+     - name: Deploy to GitHub Pages
+       id: deployment
+       uses: actions/deploy-pages@v4
diff --git a/.github/workflows/docker-amazonlinux.yml b/.github/workflows/docker-amazonlinux.yml
diff --git a/.github/workflows/docker-deploy.yml b/.github/workflows/docker-deploy.yml
@@ -0,0 +1,47 @@
+name: Publish Docker Images
+
+on:
+  workflow_dispatch:
+    inputs:
+      docker_image_tag:
+        description: 'Docker Image Tag (yyyyMMdd)'
+        required: true
+
+env:
+  DEBIAN_FRONTEND: noninteractive
+  DOCKER_IMAGE_NAME1: "ubuntu24-dotnet8-opencv4.12.0"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+    timeout-minutes: 60
+
+    steps:
+      - name: validate input
+        run: |
+          if [[ ! ${{ github.event.inputs.docker_image_tag }} =~ ^[0-9]{8}$ ]]; then
+            echo "::error Invalid tag name '${{ github.event.inputs.docker_image_tag }}'"
+            exit 1
+          fi
+
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Log into registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        id: build-and-push
+        uses: docker/build-push-action@v6
+        with:
+          context: docker/${{ env.DOCKER_IMAGE_NAME1 }}
+          push: true
+          tags: ghcr.io/shimat/opencvsharp/${{ env.DOCKER_IMAGE_NAME1 }}:${{ github.event.inputs.docker_image_tag }}
diff --git a/.github/workflows/docker-ubuntu.yml b/.github/workflows/docker-ubuntu.yml
@@ -0,0 +1,21 @@
+name: Docker Test
+
+on:
+  pull_request:
+    types: [synchronize, opened]
+
+env:
+  DEBIAN_FRONTEND: noninteractive
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 60
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: docker build
+        run: |
+          cd docker/ubuntu24-dotnet8-opencv4.12.0
+          docker build -t shimat/ubuntu24-dotnet8-opencv4.12.0 .
diff --git a/.github/workflows/linux-arm.yml b/.github/workflows/linux-arm.yml
@@ -0,0 +1,53 @@
+name: Linux ARM (Docker)
+
+on:
+  pull_request:
+    types: [synchronize, opened]
+  push:
+    branches:
+      - main
+
+env:
+  DEBIAN_FRONTEND: noninteractive
+  OPENCV_VERSION: 4.12.0
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: docker/setup-qemu-action@v3
+
+      - uses: docker/setup-buildx-action@v3
+        with:
+          install: true
+
+      # Build with Buildx and cache Docker layers in GitHub Actions cache
+      - name: Build with Docker (cached)
+        uses: docker/build-push-action@v6
+        with:
+          context: ./docker/ubuntu24-dotnet8-opencv4.12.0
+          platforms: linux/arm64
+          build-args: |
+            OPENCV_VERSION=${{ env.OPENCV_VERSION }}
+          # Load the built image to local Docker for later docker create/cp
+          outputs: type=docker,name=opencvsharp-linux-arm:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Extract build files from Docker instance
+        run: |
+          docker create -ti --name opencvsharp-linux-arm-tmp opencvsharp-linux-arm bash
+          docker cp opencvsharp-linux-arm-tmp:/artifacts .
+
+      - name: Patch nuspec with version and build NuGet package
+        run: |
+          sed -E --in-place=.bak "s/<version>[0-9]\.[0-9]{1,2}\.[0-9]{1,2}.[0-9]{8}(-beta[0-9]*)?<\/version>/<version>${OPENCV_VERSION}.$(date '+%Y%m%d')<\/version>/" nuget/OpenCvSharp4.runtime.linux-arm.nuspec
+          cp artifacts/libOpenCvSharpExtern.so nuget/
+          dotnet pack nuget/OpenCvSharp4.runtime.linux-arm.csproj -o artifacts_arm
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: artifacts_linux_arm
+          path: artifacts_arm
diff --git a/.github/workflows/macos10.yml → .github/workflows/macos10.yml.disabled b/.github/workflows/macos10.yml → .github/workflows/macos10.yml.disabled
@@ -5,29 +5,29 @@ on:
     types: [synchronize, opened]
   push:
     branches:
-      - master
+      - main
 
 env:
   DEBIAN_FRONTEND: noninteractive
-  OPENCV_VERSION: 4.5.1
+  OPENCV_VERSION: 4.8.0
 
 jobs:
   build:
 
-    runs-on: macos-10.15
+    runs-on: macos-11
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           fetch-depth: 1
 
       - name: Install build dependencies
         run: | 
-          brew install wget pkg-config mono-libgdiplus gtk+ ffmpeg glog yasm harfbuzz jpeg libpng libtiff openexr openjpeg metis openblas opencore-amr protobuf tbb webp
+          brew install wget pkg-config mono-libgdiplus gtk+ ffmpeg@4 glog yasm harfbuzz jpeg libpng libtiff openjpeg metis openblas opencore-amr protobuf tbb webp # openexr
 
 #      - name: Cache OpenCV
 #        id: opencv-cache
-#        uses: actions/cache@v2
+#        uses: actions/cache@v3
 #        with:
 #          path: ${{ github.workspace }}/opencv_macos/
 #          key: opencv-${{ env.OPENCV_VERSION }}-macos-rev1
@@ -53,24 +53,30 @@ jobs:
             -DBUILD_opencv_python_tests=OFF \
             -DBUILD_opencv_ts=OFF \
             -DBUILD_opencv_js=OFF \
-            -DBUILD_opencv_app=OFF \
+            -DBUILD_opencv_js_bindings_generator=OFF \
+            -DBUILD_opencv_apps=OFF \
+            -DBUILD_opencv_barcode=OFF \
             -DBUILD_opencv_bioinspired=OFF \
             -DBUILD_opencv_ccalib=OFF \
             -DBUILD_opencv_datasets=OFF \
             -DBUILD_opencv_dnn_objdetect=OFF \
             -DBUILD_opencv_dpm=OFF \
             -DBUILD_opencv_fuzzy=OFF \
-            -DBUILD_opencv_gapi=OFF \
+            -DBUILD_opencv_gapi=ON \
             -DBUILD_opencv_intensity_transform=OFF \
             -DBUILD_opencv_mcc=OFF \
+            -DBUILD_opencv_objc_bindings_generator=OFF \
             -DBUILD_opencv_rapid=OFF \
             -DBUILD_opencv_reg=OFF \
             -DBUILD_opencv_stereo=OFF \
             -DBUILD_opencv_structured_light=OFF \
             -DBUILD_opencv_surface_matching=OFF \
+            -DBUILD_opencv_wechat_qrcode=ON \
             -DBUILD_opencv_videostab=OFF \
             -DWITH_GSTREAMER=OFF \
             -DWITH_EIGEN=OFF \
+            -DWITH_ADE=OFF \
+            -DWITH_OPENEXR=OFF \
             -DOPENCV_ENABLE_NONFREE=ON \
             -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/opencv_macos ..
           make -j2
@@ -95,8 +101,13 @@ jobs:
           nm libOpenCvSharpExtern.dylib
           echo -ne "#include <stdio.h> \n int core_Mat_sizeof(); int main(){ int i = core_Mat_sizeof(); printf(\"sizeof(Mat) = %d\", i); return 0; }" > test.c
           gcc -I./ -L./ test.c -o test -lOpenCvSharpExtern
-          LD_LIBRARY_PATH=. ./test     
-          
+          LD_LIBRARY_PATH=. ./test
+
+      - name: Install .NET
+        uses: actions/setup-dotnet@v3
+        with:
+          dotnet-version: '6.0.x'
+
       - name: Create NuGet package
         env: 
           BETA: ""
@@ -108,23 +119,23 @@ jobs:
           dotnet pack ${GITHUB_WORKSPACE}/nuget/OpenCvSharp4.runtime.osx.10.15-x64.csproj -o ${GITHUB_WORKSPACE}/artifacts_macos
           ls ${GITHUB_WORKSPACE}/artifacts_macos       
 
-      - uses: actions/upload-artifact@v1
+      - uses: actions/upload-artifact@v3
         with:
           name: artifacts_macos_10
           path: artifacts_macos
 
       - name: Test
         run: |
           cd ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests
-          ls
-          dotnet build -c Release -f netcoreapp3.1
-          cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.dylib ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/bin/Release/netcoreapp3.1/
+          # ls
+          dotnet build -c Release -f net6.0
+          cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.dylib ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/bin/Release/net6.0/
           cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.dylib ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/
-          ls ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/bin/Release/netcoreapp3.1/
-          ls
+          # ls ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/bin/Release/net6.0/
+          # ls
           sudo cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.dylib /usr/local/lib/
           LD_LIBRARY_PATH=. 
-          dotnet test OpenCvSharp.Tests.csproj -c Release -f netcoreapp3.1 --runtime osx-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
+          dotnet test OpenCvSharp.Tests.csproj -c Release -f net6.0 --runtime osx-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
           ls
           ls TestResults
 

diff --git a/.github/workflows/publish_nuget.yml b/.github/workflows/publish_nuget.yml
@@ -5,39 +5,53 @@ on:
 
 jobs:
   Publish:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - name: Download windows artifact
-        uses: dawidd6/action-download-artifact@v2
+        uses: dawidd6/action-download-artifact@v6
         with:
           github_token: ${{secrets.GITHUB_TOKEN}}
           workflow: windows.yml
           name: packages_windows
 
       - name: Download ubuntu artifact
-        uses: dawidd6/action-download-artifact@v2
+        uses: dawidd6/action-download-artifact@v8
         with:
           github_token: ${{secrets.GITHUB_TOKEN}}
-          workflow: ubuntu18.yml
-          name: artifacts_ubuntu_18
+          workflow: ubuntu22.yml
+          name: artifacts_ubuntu_22
 
-      - name: Download macos artifact
-        uses: dawidd6/action-download-artifact@v2
+      - name: Download ubuntu arm artifact
+        uses: dawidd6/action-download-artifact@v8
         with:
           github_token: ${{secrets.GITHUB_TOKEN}}
-          workflow: macos10.yml
-          name: artifacts_macos_10
+          workflow: linux-arm.yml
+          name: artifacts_linux_arm
+
+      #- name: Download macos artifact
+      #  uses: dawidd6/action-download-artifact@v6
+      #  with:
+      #    github_token: ${{secrets.GITHUB_TOKEN}}
+      #    workflow: macos10.yml
+      #    name: artifacts_macos_10
+
+      - name: Download wasm artifact
+        uses: dawidd6/action-download-artifact@v8
+        with:
+          github_token: ${{secrets.GITHUB_TOKEN}}
+          workflow: wasm.yml
+          name: artifacts_wasm
 
       - run: |
           ls -l
 
       - name: Install .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '3.1.x'
+          dotnet-version: 8.0.x
 
       - name: Rename
         run: |

diff --git a/.github/workflows/ubuntu18.yml → .github/workflows/ubuntu22.yml b/.github/workflows/ubuntu18.yml → .github/workflows/ubuntu22.yml
@@ -1,164 +1,173 @@
-name: Ubuntu 18.04
+name: Ubuntu 22.04
 
 on:
   pull_request:
     types: [synchronize, opened]
   push:
     branches:
-      - master
+      - main
 
 env:
   DEBIAN_FRONTEND: noninteractive
-  OPENCV_VERSION: 4.5.1
+  OPENCV_VERSION: 4.11.0
+  OPENCV_CACHE_VERSION: 1
 
 jobs:
   build:
 
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-22.04
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with:
-          fetch-depth: 1
+          path: opencvsharp
 
       - name: Install dependencies
         run: |
-          pwd
-          echo ${GITHUB_WORKSPACE}
-          current_path=$(pwd)
           sudo apt-get update -y 
           sudo apt-get install -y  --no-install-recommends \
             apt-transport-https \
             software-properties-common \
-            wget \
-            unzip \
             ca-certificates \
-            build-essential \
+            g++ \
+            make \
             cmake \
-            git \
             libtbb-dev \
             libatlas-base-dev \
             libgtk2.0-dev \
             libavcodec-dev \
             libavformat-dev \
             libswscale-dev \
-            libdc1394-22-dev \
+            libdc1394-dev \
             libxine2-dev \
             libv4l-dev \
             libtheora-dev \
             libvorbis-dev \
             libxvidcore-dev \
             libopencore-amrnb-dev \
             libopencore-amrwb-dev \
-            libavresample-dev \
             x264 \
             libtesseract-dev 
 
       - name: Cache OpenCV
         id: opencv-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
-          path: ${{ github.workspace }}/opencv_ubuntu/
-          key: opencv-${{ env.OPENCV_VERSION }}-rev1
-
+          path: ${{ github.workspace }}/opencv_artifacts/
+          key: opencv-${{ env.OPENCV_VERSION }}-rev${{ env.OPENCV_CACHE_VERSION }}
+
+      - name: Checkout OpenCV
+        if: steps.opencv-cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4
+        with:
+            repository: opencv/opencv
+            path: opencv
+            ref: ${{ env.OPENCV_VERSION }}
+      - name: Checkout OpenCV Contrib
+        if: steps.opencv-cache.outputs.cache-hit != 'true'
+        uses: actions/checkout@v4
+        with:
+            repository: opencv/opencv_contrib
+            path: opencv_contrib
+            ref: ${{ env.OPENCV_VERSION }}
+
       - name: Build OpenCV
         if: steps.opencv-cache.outputs.cache-hit != 'true'
         run: |
-          wget https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip -Oopencv-${OPENCV_VERSION}.zip && unzip opencv-${OPENCV_VERSION}.zip
-          wget https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip -Oopencv_contrib-${OPENCV_VERSION}.zip && unzip opencv_contrib-${OPENCV_VERSION}.zip
-          cd opencv-${OPENCV_VERSION} && mkdir build && cd build
+          mkdir opencv/build && cd opencv/build
           cmake \
+            -S . \
+            -B build \
             -D CMAKE_BUILD_TYPE=Release \
-            -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-${OPENCV_VERSION}/modules \
+            -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib/modules \
             -D BUILD_SHARED_LIBS=OFF \
             -D ENABLE_CXX11=ON \
             -D BUILD_EXAMPLES=OFF \
             -D BUILD_DOCS=OFF \
             -D BUILD_PERF_TESTS=OFF \
             -D BUILD_TESTS=OFF \
             -D BUILD_JAVA=OFF \
-            -D BUILD_opencv_app=OFF \
+            -D BUILD_opencv_apps=OFF \
+            -D BUILD_opencv_barcode=OFF \
             -D BUILD_opencv_java_bindings_generator=OFF \
             -D BUILD_opencv_python_bindings_generator=OFF \
             -D BUILD_opencv_python_tests=OFF \
             -D BUILD_opencv_ts=OFF \
             -D BUILD_opencv_js=OFF \
+            -D BUILD_opencv_js_bindings_generator=OFF \
             -D BUILD_opencv_bioinspired=OFF \
             -D BUILD_opencv_ccalib=OFF \
             -D BUILD_opencv_datasets=OFF \
             -D BUILD_opencv_dnn_objdetect=OFF \
             -D BUILD_opencv_dpm=OFF \
             -D BUILD_opencv_fuzzy=OFF \
-            -D BUILD_opencv_gapi=OFF \
+            -D BUILD_opencv_gapi=ON \
             -D BUILD_opencv_intensity_transform=OFF \
             -D BUILD_opencv_mcc=OFF \
+            -D BUILD_opencv_objc_bindings_generator=OFF \
             -D BUILD_opencv_rapid=OFF \
             -D BUILD_opencv_reg=OFF \
             -D BUILD_opencv_stereo=OFF \
             -D BUILD_opencv_structured_light=OFF \
             -D BUILD_opencv_surface_matching=OFF \
+            -D BUILD_opencv_wechat_qrcode=ON \
             -D BUILD_opencv_videostab=OFF \
             -D WITH_GSTREAMER=OFF \
+            -D WITH_ADE=OFF \
             -D OPENCV_ENABLE_NONFREE=ON \
-            -D CMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/opencv_ubuntu ..
-          make -j2
-          make install
+            -D CMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/opencv_artifacts ..
+          cmake --build build
+          cmake --install build
           sudo ldconfig
           cd ${GITHUB_WORKSPACE}
           ls
       
       - name: Build OpenCvSharpExtern
-        run: |                    
-          ls ${GITHUB_WORKSPACE}/opencv_ubuntu
-          echo "-----"
-          ls ${GITHUB_WORKSPACE}/opencv_ubuntu/lib
-          echo "-----"
-          mkdir src/build && cd $_
-          cmake -D CMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/opencv_ubuntu ..
-          make -j2
+        run: |
+          mkdir opencvsharp/src/build && cd $_
+          cmake -D CMAKE_PREFIX_PATH=${GITHUB_WORKSPACE}/opencv_artifacts ..
+          make -j
           ls OpenCvSharpExtern
-          cp OpenCvSharpExtern/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/nuget/
-          ldd OpenCvSharpExtern/libOpenCvSharpExtern.so
+          cp OpenCvSharpExtern/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/opencvsharp/nuget/
 
       - name: Check OpenCvSharpExtern
         run: |
-          cd ${GITHUB_WORKSPACE}/nuget/
+          cd ${GITHUB_WORKSPACE}/opencvsharp/nuget/
           ldd libOpenCvSharpExtern.so
           nm libOpenCvSharpExtern.so
           echo -ne "#include <stdio.h> \n int core_Mat_sizeof(); int main(){ int i = core_Mat_sizeof(); printf(\"sizeof(Mat) = %d\", i); return 0; }" > test.c
           gcc -I./ -L./ test.c -o test -lOpenCvSharpExtern
           LD_LIBRARY_PATH=. ./test
 
       - name: Install .NET
-        uses: actions/setup-dotnet@v1
+        uses: actions/setup-dotnet@v4
         with:
-          dotnet-version: '3.1.x'
+          dotnet-version: '8.0.x'
 
       - name: Create NuGet package
         env: 
           BETA: ""
         run: |
           yyyymmdd=`date '+%Y%m%d'`
           echo $yyyymmdd
-          sed -E --in-place=.bak "s/<version>[0-9]\.[0-9]{1,2}\.[0-9]{1,2}.[0-9]{8}(-beta[0-9]*)?<\/version>/<version>${OPENCV_VERSION}.${yyyymmdd}${BETA}<\/version>/" ${GITHUB_WORKSPACE}/nuget/OpenCvSharp4.runtime.ubuntu.18.04-x64.nuspec
-          cat ${GITHUB_WORKSPACE}/nuget/OpenCvSharp4.runtime.ubuntu.18.04-x64.nuspec
-          dotnet pack ${GITHUB_WORKSPACE}/nuget/OpenCvSharp4.runtime.ubuntu.18.04-x64.csproj -o ${GITHUB_WORKSPACE}/artifacts_ubuntu
+          cd ${GITHUB_WORKSPACE}/opencvsharp
+          sed -E --in-place=.bak \
+            "s/<version>[0-9]\.[0-9]{1,2}\.[0-9]{1,2}.[0-9]{8}(-beta[0-9]*)?<\/version>/<version>${OPENCV_VERSION}.${yyyymmdd}${BETA}<\/version>/" \
+            nuget/OpenCvSharp4.official.runtime.linux-x64.nuspec
+          cat nuget/OpenCvSharp4.official.runtime.linux-x64.nuspec
+          dotnet pack nuget/OpenCvSharp4.official.runtime.linux-x64.csproj -o ${GITHUB_WORKSPACE}/artifacts_ubuntu
           ls ${GITHUB_WORKSPACE}/artifacts_ubuntu
 
-      - uses: actions/upload-artifact@v1
+      - uses: actions/upload-artifact@v4
         with:
-          name: artifacts_ubuntu_18
+          name: artifacts_ubuntu_22
           path: artifacts_ubuntu
 
       - name: Test
         run: |
-          cd ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests
-          dotnet build -c Release -f netcoreapp3.1
-          cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/bin/Release/netcoreapp3.1/
-          cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/
-          sudo cp ${GITHUB_WORKSPACE}/nuget/libOpenCvSharpExtern.so /usr/lib/
-          ls ${GITHUB_WORKSPACE}/test/OpenCvSharp.Tests/bin/Release/netcoreapp3.1/
-          ls
-          LD_LIBRARY_PATH=. dotnet test OpenCvSharp.Tests.csproj -c Release -f netcoreapp3.1 --runtime ubuntu.18.04-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
-          ls
-          ls TestResults
+          cd ${GITHUB_WORKSPACE}/opencvsharp/test/OpenCvSharp.Tests
+          dotnet build -c Release -f net8.0
+          cp ${GITHUB_WORKSPACE}/opencvsharp/nuget/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/opencvsharp/test/OpenCvSharp.Tests/bin/Release/net8.0/
+          cp ${GITHUB_WORKSPACE}/opencvsharp/nuget/libOpenCvSharpExtern.so ${GITHUB_WORKSPACE}/opencvsharp/test/OpenCvSharp.Tests/
+          sudo cp ${GITHUB_WORKSPACE}/opencvsharp/nuget/libOpenCvSharpExtern.so /usr/lib/
+          LD_LIBRARY_PATH=. dotnet test OpenCvSharp.Tests.csproj -c Release -f net8.0 --runtime linux-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
diff --git a/.github/workflows/wasm.yml b/.github/workflows/wasm.yml
@@ -0,0 +1,176 @@
+name: Wasm
+
+on:
+  pull_request:
+    types: [synchronize, opened]
+  push:
+    branches:
+      - main
+
+env:
+  DEBIAN_FRONTEND: noninteractive
+  OPENCV_VERSION: 4.11.0
+  EM_VERSION: 3.1.32
+  EM_CACHE_FOLDER: 'emsdk-cache'
+
+jobs:
+  build:
+
+    runs-on: ubuntu-22.04
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Install dependencies
+        run: |
+          pwd
+          echo ${GITHUB_WORKSPACE}
+          current_path=$(pwd)
+          sudo apt-get update -y 
+          sudo apt-get install -y  --no-install-recommends \
+            apt-transport-https \
+            software-properties-common \
+            wget \
+            unzip \
+            ca-certificates \
+            g++ \
+            make \
+            cmake \
+            libtbb-dev \
+            libatlas-base-dev \
+            libgtk2.0-dev \
+            libavcodec-dev \
+            libavformat-dev \
+            libswscale-dev \
+            libdc1394-dev \
+            libxine2-dev \
+            libv4l-dev \
+            libtheora-dev \
+            libvorbis-dev \
+            libxvidcore-dev \
+            libopencore-amrnb-dev \
+            libopencore-amrwb-dev \
+            x264 \
+            libtesseract-dev 
+
+      - name: Cache OpenCV
+        id: opencv-cache
+        uses: actions/cache@v4
+        with:
+          path: ${{ github.workspace }}/opencv_wasm/
+          key: opencv-${{ env.OPENCV_VERSION }}-wasm
+
+      - name: Setup Emscripten cache
+        id: cache-system-libraries
+        uses: actions/cache@v4
+        with:
+          path: ${{env.EM_CACHE_FOLDER}}
+          key: ${{env.EM_VERSION}}-${{ runner.os }}
+      - uses: mymindstorm/setup-emsdk@v14
+        with:
+          version: ${{env.EM_VERSION}}
+          actions-cache-folder: ${{env.EM_CACHE_FOLDER}}
+
+      - name: Build OpenCV
+        if: steps.opencv-cache.outputs.cache-hit != 'true'
+        run: |
+          wget https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip -Oopencv-${OPENCV_VERSION}.zip && unzip opencv-${OPENCV_VERSION}.zip
+          wget https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip -Oopencv_contrib-${OPENCV_VERSION}.zip && unzip opencv_contrib-${OPENCV_VERSION}.zip
+          cd opencv-${OPENCV_VERSION} && mkdir build && cd build
+          emcmake cmake \
+            -DCMAKE_BUILD_TYPE=Release \
+            -DOPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-${OPENCV_VERSION}/modules \
+            -DBUILD_SHARED_LIBS=OFF \
+            -DENABLE_CXX11=ON -DBUILD_TESTS=OFF \
+            -DBUILD_PERF_TESTS=OFF \
+            -DBUILD_DOCS=OFF \
+            -DBUILD_EXAMPLES=OFF \
+            -DBUILD_JAVA=OFF \
+            -DBUILD_opencv_java_bindings_generator=OFF \
+            -DBUILD_opencv_python_bindings_generator=OFF \
+            -DBUILD_opencv_python_tests=OFF \
+            -DBUILD_opencv_ts=OFF \
+            -DBUILD_opencv_js=OFF \
+            -DBUILD_opencv_js_bindings_generator=OFF \
+            -DBUILD_opencv_apps=OFF \
+            -DBUILD_opencv_barcode=OFF \
+            -DBUILD_opencv_bioinspired=OFF \
+            -DBUILD_opencv_ccalib=OFF \
+            -DBUILD_opencv_datasets=OFF \
+            -DBUILD_opencv_dnn_objdetect=OFF \
+            -DBUILD_opencv_dpm=OFF \
+            -DBUILD_opencv_fuzzy=OFF \
+            -DBUILD_opencv_gapi=ON \
+            -DBUILD_opencv_intensity_transform=OFF \
+            -DBUILD_opencv_mcc=OFF \
+            -DBUILD_opencv_objc_bindings_generator=OFF \
+            -DBUILD_opencv_rapid=OFF \
+            -DBUILD_opencv_reg=OFF \
+            -DBUILD_opencv_stereo=OFF \
+            -DBUILD_opencv_structured_light=OFF \
+            -DBUILD_opencv_surface_matching=OFF \
+            -DBUILD_opencv_wechat_qrcode=ON \
+            -DBUILD_opencv_videostab=OFF \
+            -DWITH_GSTREAMER=OFF \
+            -DWITH_EIGEN=OFF \
+            -DWITH_ADE=OFF \
+            -DOPENCV_ENABLE_NONFREE=ON \
+            -DCMAKE_INSTALL_PREFIX=${GITHUB_WORKSPACE}/opencv_wasm \
+            -DCMAKE_C_FLAGS='-s WASM=1' -DCMAKE_CXX_FLAGS='-s WASM=1' \
+            -DWITH_ITT=OFF \
+            -DWITH_JPEG=OFF \
+            -DWITH_TIFF=OFF \
+            -DWITH_PNG=OFF \
+            -DWITH_IPP=OFF \
+            -DWITH_LAPACK=OFF \
+            -DCV_ENABLE_INTRINSICS=OFF \
+            -DBUILD_opencv_dnn=ON \
+            ..
+          make -j
+          make install
+          em++ -r -o ${GITHUB_WORKSPACE}/opencv_wasm/libopencv.o \
+            -Wl,--whole-archive ${GITHUB_WORKSPACE}/opencv_wasm/lib/*.a \
+            ${GITHUB_WORKSPACE}/opencv_wasm/lib/opencv4/3rdparty/*.a
+          cd ${GITHUB_WORKSPACE}
+          ls
+      
+      - name: Build OpenCvSharpExtern
+        run: |
+          ls ${GITHUB_WORKSPACE}/opencv_wasm
+          echo "-----"
+          mkdir src/build && cd $_
+          emcmake cmake -DCMAKE_BUILD_TYPE=Release -DOpenCV_DIR=${GITHUB_WORKSPACE}/opencv_wasm/lib/cmake/opencv4 -DWASM_LIB=${GITHUB_WORKSPACE}/opencv_wasm/libopencv.o ..
+          make -j
+          ls OpenCvSharpExtern
+          cp OpenCvSharpExtern/libOpenCvSharpExtern.a ${GITHUB_WORKSPACE}/nuget/
+
+      - name: Check OpenCvSharpExtern
+        run: |
+          echo TODO
+
+      - name: Install .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: '8.0.x'
+
+      - name: Create NuGet package
+        env: 
+          BETA: ""
+        run: |
+          yyyymmdd=`date '+%Y%m%d'`
+          echo $yyyymmdd
+          sed -E --in-place=.bak "s/<version>[0-9]\.[0-9]{1,2}\.[0-9]{1,2}.[0-9]{8}(-beta[0-9]*)?<\/version>/<version>${OPENCV_VERSION}.${yyyymmdd}${BETA}<\/version>/" ${GITHUB_WORKSPACE}/nuget/OpenCvSharp4.runtime.wasm.nuspec
+          cat ${GITHUB_WORKSPACE}/nuget/OpenCvSharp4.runtime.wasm.nuspec
+          dotnet pack ${GITHUB_WORKSPACE}/nuget/OpenCvSharp4.runtime.wasm.csproj -o ${GITHUB_WORKSPACE}/artifacts_wasm
+          ls ${GITHUB_WORKSPACE}/artifacts_wasm
+
+      - uses: actions/upload-artifact@v4
+        with:
+          name: artifacts_wasm
+          path: artifacts_wasm
+
+      - name: Test
+        run: |
+          echo TODO
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
@@ -1,23 +1,25 @@
-name: Windows Server 2019
+name: Windows Server 2022
 
 on:
   pull_request:
     types: [synchronize, opened]
   push:
     branches:
-      - master
+      - main
 
 env:
-  OPENCV_VERSION: 4.5.1
+  OPENCV_VERSION: "4.11.0"
+  OPENCV_FILES_TAG: "4.11.0.20250505"
+  TESSERACT_RELEASE_VERSION: "2024.08.19"
 
 jobs:
   build:
 
-    runs-on: windows-2019
+    runs-on: windows-2022
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1
           submodules: true
@@ -30,44 +32,60 @@ jobs:
 #          restore-keys: |
 #            ${{ runner.os }}-nuget-
 
-      - name: NuGet restore
-        shell: cmd
-        run: |
-          nuget restore
-
-      - name: Install Server-Media-Foundation
-        shell: powershell
-        run: |
-          Install-WindowsFeature Server-Media-Foundation
-
       - name: Cache OpenCV binaries
         id: cache_opencv
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ github.workspace }}/opencv_files
-          key: opencv-${{ env.OPENCV_VERSION }}-rev2
+          key: opencv-${{ env.OPENCV_VERSION }}-rev1
 
-      - name: Download OpenCV binaries 
+      - name: Download OpenCV binaries
         if: steps.cache_opencv.outputs.cache-hit != 'true'
         shell: powershell
+        env:
+          GH_TOKEN: ${{ github.token }}
         run: |
-          . ".\download_opencv_windows.ps1"
+          gh release download --repo shimat/opencv_files ${env:OPENCV_FILES_TAG} --pattern "opencv_win_x64.zip" 
+          gh release download --repo shimat/opencv_files ${env:OPENCV_FILES_TAG} --pattern "opencv_win_x86.zip"       
+          Expand-Archive -Path opencv_win_x64.zip -DestinationPath opencv_files/opencv_win_x64 -Force -ErrorAction Stop
+          Expand-Archive -Path opencv_win_x86.zip -DestinationPath opencv_files/opencv_win_x86 -Force -ErrorAction Stop
+          ls opencv_files
+          ls opencv_files/opencv_win_x64
 
       - name: Cache Tesseract binaries
         id: cache_tesseract
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: ${{ github.workspace }}/tesseract_files
-          key: tesseract-rev2
+          key: tesseract-41-rev2
 
-      - name: Download Tesseract binaries 
+      - name: Download Tesseract binaries
         if: steps.cache_tesseract.outputs.cache-hit != 'true'
+        shell: powershell
+        env:
+          GH_TOKEN: ${{ github.token }}
+        run: |
+          gh release download --repo shimat/tesseract_vcpkg ${TESSERACT_RELEASE_VERSION} --pattern "*.zip" --output tesseract.zip
+          Expand-Archive -Path tesseract.zip -DestinationPath tesseract_files -Force -ErrorAction Stop
+          ls tesseract_files          
+          Move-Item tesseract_files/tesseract_vcpkg.0.0.9-beta tesseract_files/tesseract_vcpkg
+          ls tesseract_files/tesseract_vcpkg
+          New-Item tesseract_files/tesseract_vcpkg -ItemType Directory -Force
+          Move-Item tesseract_files/tesseract_vcpkg/installed/* tesseract_files/tesseract_vcpkg/
+          ls tesseract_files/tesseract_vcpkg
+
+      - name: NuGet restore
+        shell: cmd
+        run: |
+          nuget restore
+
+      - name: Install Server-Media-Foundation
         shell: powershell
         run: |
-          . ".\download_tesseract_windows.ps1"
+          Install-WindowsFeature Server-Media-Foundation
 
       - name: Add msbuild to PATH
-        uses: microsoft/setup-msbuild@v1.0.2
+        uses: microsoft/setup-msbuild@v2
 
       - name: Build x64
         shell: cmd
@@ -77,13 +95,27 @@ jobs:
         shell: cmd
         run: msbuild OpenCvSharp.sln /t:build /p:configuration=Release /p:platform=x86 -maxcpucount
 
-      - name: Build ARM
+      #- name: Build ARM
+      #  shell: cmd
+      #  run: msbuild OpenCvSharp.sln /t:build /p:configuration=Release /p:platform=ARM -maxcpucount
+
+      - name: Install .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: |
+            8.0.x
+
+      - name: Build
         shell: cmd
-        run: msbuild OpenCvSharp.sln /t:build /p:configuration=Release /p:platform=ARM -maxcpucount
+        run: |
+          dotnet build src/OpenCvSharp.Extensions/OpenCvSharp.Extensions.csproj -f net6.0 -p:configuration=Release -maxcpucount
+          dotnet build src/OpenCvSharp.WpfExtensions/OpenCvSharp.WpfExtensions.csproj -f net6.0-windows -p:configuration=Release -maxcpucount
 
       - name: Pack NuGet packages
         shell: powershell
         run: |
+          $ErrorActionPreference = "Stop"
+          
           $date = Get-Date -Format "yyyyMMdd"
           $version = "${env:OPENCV_VERSION}.${date}-beta"
           Write-Host "version = ${version}"
@@ -95,40 +127,53 @@ jobs:
           }
 
           $windowsNuspec = "${env:GITHUB_WORKSPACE}\nuget\OpenCvSharp4.Windows.nuspec"
+          $extensionsNuspec = "${env:GITHUB_WORKSPACE}\nuget\OpenCvSharp4.Extensions.nuspec"
           $wpfExtensionsNuspec = "${env:GITHUB_WORKSPACE}\nuget\OpenCvSharp4.WpfExtensions.nuspec"
-          $nuspecFiles = @($windowsNuspec, $wpfExtensionsNuspec)
+          $nuspecFiles = @($windowsNuspec, $extensionsNuspec, $wpfExtensionsNuspec)
           foreach ( $nuspecFile in $nuspecFiles ) {
               [xml]$xml = Get-Content $nuspecFile
               foreach ($group in $xml.package.metadata.dependencies.ChildNodes){
                   foreach ($dependency in $group.ChildNodes){
-                      Write-Host "before: " $dependency.GetAttribute("id") "=" $dependency.GetAttribute("version")
-                      $dependency.SetAttribute("version", $version)
-                      Write-Host "after:  " $dependency.GetAttribute("id") "=" $dependency.GetAttribute("version")
-                      $xml.Save($nuspecFile)
+                      $packageId = $dependency.GetAttribute("id")
+                      if ($packageId.StartsWith("OpenCvSharp")){
+                          Write-Host "before: " $packageId "=" $dependency.GetAttribute("version")
+                          $dependency.SetAttribute("version", $version)
+                          Write-Host "after:  " $packageId "=" $dependency.GetAttribute("version")
+                          $xml.Save($nuspecFile)
+                      }
+                      else {
+                          Write-Host "Skipped: " $packageId
+                      }
                   }
               }
           }
 
           nuget pack nuget/OpenCvSharp4.nuspec -OutputDirectory artifacts -Symbols -SymbolPackageFormat snupkg
           nuget pack nuget/OpenCvSharp4.Windows.nuspec -OutputDirectory artifacts
+          nuget pack nuget/OpenCvSharp4.Extensions.nuspec -OutputDirectory artifacts -Symbols -SymbolPackageFormat snupkg
           nuget pack nuget/OpenCvSharp4.WpfExtensions.nuspec -OutputDirectory artifacts -Symbols -SymbolPackageFormat snupkg
           nuget pack nuget/OpenCvSharp4.runtime.win.nuspec -OutputDirectory artifacts
-          nuget pack nuget/OpenCvSharp4.runtime.uwp.nuspec -OutputDirectory artifacts
 
       - name: Test
         shell: powershell
         run: |
           cd ${env:GITHUB_WORKSPACE}\test\OpenCvSharp.Tests
           dotnet test -c Release -f net48 --runtime win-x64
 
+      - name: Test Windows-only functions
+        shell: powershell
+        run: |
+          cd ${env:GITHUB_WORKSPACE}\test\OpenCvSharp.Tests.Windows
+          dotnet test -c Release -f net48 --runtime win-x64
+
       - name: Run ReleaseMaker
         shell: powershell
         run: |
           cd "${env:GITHUB_WORKSPACE}\tool\OpenCvSharp.ReleaseMaker"
           dotnet run -c Release --runtime win-x64 -- "${env:GITHUB_WORKSPACE}" "${env:GITHUB_WORKSPACE}\artifacts" ${{env.OPENCV_VERSION}}
 
       - name: Upload NuGet packages and Release packages
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: packages_windows
           path: ${{ github.workspace }}\artifacts
diff --git a/.travis.yml b/.travis.yml
diff --git a/LICENSE b/LICENSE
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright 2008 shimat
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

diff --git a/OpenCvSharp.sln b/OpenCvSharp.sln
@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.29503.13
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.34330.188
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{E048D213-B3B9-453F-9A41-29FDEB0D496B}"
 EndProject
@@ -24,8 +24,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tool", "tool", "{A6E578C0-A
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenCvSharp.NupkgBetaRemover", "tool\OpenCvSharp.NupkgBetaRemover\OpenCvSharp.NupkgBetaRemover.csproj", "{CC19F9A5-01A7-4BDF-B34C-CF56F46A474A}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "uwpOpenCvSharpExtern", "src\uwpOpenCvSharpExtern\uwpOpenCvSharpExtern.vcxproj", "{BD5471E5-7B55-5192-8DA4-042B66AF71AE}"
-EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenCvSharp.WpfExtensions", "src\OpenCvSharp.WpfExtensions\OpenCvSharp.WpfExtensions.csproj", "{01FD66CE-F81A-4641-BE30-3CF9DE84D6D5}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenCvSharp.ReleaseMaker", "tool\OpenCvSharp.ReleaseMaker\OpenCvSharp.ReleaseMaker.csproj", "{1C399497-5240-439A-879A-4ACB34C409AE}"
@@ -35,6 +33,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		.editorconfig = .editorconfig
 	EndProjectSection
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "OpenCvSharp.DebuggerVisualizers.Tester", "test\OpenCvSharp.DebuggerVisualizers.Tester\OpenCvSharp.DebuggerVisualizers.Tester.csproj", "{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenCvSharp.Tests.Windows", "test\OpenCvSharp.Tests.Windows\OpenCvSharp.Tests.Windows.csproj", "{36F6A125-3633-441E-9794-97EB91E50F20}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -140,19 +142,6 @@ Global
 		{CC19F9A5-01A7-4BDF-B34C-CF56F46A474A}.Release|x64.Build.0 = Release|Any CPU
 		{CC19F9A5-01A7-4BDF-B34C-CF56F46A474A}.Release|x86.ActiveCfg = Release|Any CPU
 		{CC19F9A5-01A7-4BDF-B34C-CF56F46A474A}.Release|x86.Build.0 = Release|Any CPU
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Debug|Any CPU.ActiveCfg = Debug|Win32
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Debug|ARM.ActiveCfg = Debug|ARM
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Debug|x64.ActiveCfg = Release|x64
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Debug|x64.Build.0 = Release|x64
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Debug|x86.ActiveCfg = Release|Win32
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Debug|x86.Build.0 = Release|Win32
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Release|Any CPU.ActiveCfg = Release|Win32
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Release|ARM.ActiveCfg = Release|ARM
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Release|ARM.Build.0 = Release|ARM
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Release|x64.ActiveCfg = Release|x64
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Release|x64.Build.0 = Release|x64
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Release|x86.ActiveCfg = Release|Win32
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE}.Release|x86.Build.0 = Release|Win32
 		{01FD66CE-F81A-4641-BE30-3CF9DE84D6D5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{01FD66CE-F81A-4641-BE30-3CF9DE84D6D5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{01FD66CE-F81A-4641-BE30-3CF9DE84D6D5}.Debug|ARM.ActiveCfg = Debug|Any CPU
@@ -185,6 +174,38 @@ Global
 		{1C399497-5240-439A-879A-4ACB34C409AE}.Release|x64.Build.0 = Release|Any CPU
 		{1C399497-5240-439A-879A-4ACB34C409AE}.Release|x86.ActiveCfg = Release|Any CPU
 		{1C399497-5240-439A-879A-4ACB34C409AE}.Release|x86.Build.0 = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|ARM.Build.0 = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|x64.Build.0 = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Debug|x86.Build.0 = Debug|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|ARM.ActiveCfg = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|ARM.Build.0 = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|x64.ActiveCfg = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|x64.Build.0 = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|x86.ActiveCfg = Release|Any CPU
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC}.Release|x86.Build.0 = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|ARM.ActiveCfg = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|ARM.Build.0 = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|x64.Build.0 = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Debug|x86.Build.0 = Debug|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|Any CPU.Build.0 = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|ARM.ActiveCfg = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|ARM.Build.0 = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|x64.ActiveCfg = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|x64.Build.0 = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|x86.ActiveCfg = Release|Any CPU
+		{36F6A125-3633-441E-9794-97EB91E50F20}.Release|x86.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -196,9 +217,10 @@ Global
 		{8E7279F8-F801-4672-B42F-1ED2C68B16A4} = {E048D213-B3B9-453F-9A41-29FDEB0D496B}
 		{4232CB4A-DFE3-46CA-9503-C5F1798BAED3} = {E048D213-B3B9-453F-9A41-29FDEB0D496B}
 		{CC19F9A5-01A7-4BDF-B34C-CF56F46A474A} = {A6E578C0-A34A-4CCF-A808-CBAC81CB48C0}
-		{BD5471E5-7B55-5192-8DA4-042B66AF71AE} = {E048D213-B3B9-453F-9A41-29FDEB0D496B}
 		{01FD66CE-F81A-4641-BE30-3CF9DE84D6D5} = {E048D213-B3B9-453F-9A41-29FDEB0D496B}
 		{1C399497-5240-439A-879A-4ACB34C409AE} = {A6E578C0-A34A-4CCF-A808-CBAC81CB48C0}
+		{FFD602AA-0A08-40DD-8ACD-7F5A3BA51DEC} = {1F113DD0-E292-47A5-8EFF-3FB5D0869BF3}
+		{36F6A125-3633-441E-9794-97EB91E50F20} = {1F113DD0-E292-47A5-8EFF-3FB5D0869BF3}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {60DD551B-ED40-447E-AABE-B408178D29D1}

diff --git a/OpenCvSharp.sln.DotSettings b/OpenCvSharp.sln.DotSettings
@@ -1,15 +1,24 @@
 <wpf:ResourceDictionary xml:space="preserve" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:s="clr-namespace:System;assembly=mscorlib" xmlns:ss="urn:shemas-jetbrains-com:settings-storage-xaml" xmlns:wpf="http://schemas.microsoft.com/winfx/2006/xaml/presentation">
 	<s:String x:Key="/Default/CodeStyle/Naming/CppNaming/Rules/=Local_0020variables/@EntryIndexedValue">&lt;NamingElement Priority="6"&gt;&lt;Descriptor Static="Indeterminate" Constexpr="Indeterminate" Const="Indeterminate" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="local variable" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;&lt;/NamingElement&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CppNaming/Rules/=Parameters/@EntryIndexedValue">&lt;NamingElement Priority="5"&gt;&lt;Descriptor Static="Indeterminate" Constexpr="Indeterminate" Const="Indeterminate" Volatile="Indeterminate" Accessibility="NOT_APPLICABLE"&gt;&lt;type Name="parameter" /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;&lt;/NamingElement&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=LTRB/@EntryIndexedValue">LTRB</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=LUT/@EntryIndexedValue">LUT</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=PCA/@EntryIndexedValue">PCA</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=QR/@EntryIndexedValue">QR</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=RB/@EntryIndexedValue">RB</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=RNG/@EntryIndexedValue">RNG</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/Abbreviations/=SURF/@EntryIndexedValue">SURF</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateConstants/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="AaBb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateInstanceFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateStaticFields/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
 	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/PredefinedNamingRules/=PrivateStaticReadonly/@EntryIndexedValue">&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;</s:String>
+	<s:Boolean x:Key="/Default/GrammarAndSpelling/GrammarChecking/Exceptions/=multi_002Dchannel/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/GrammarAndSpelling/GrammarChecking/Exceptions/=multi_002Ddimensional/@EntryIndexedValue">True</s:Boolean>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=15b5b1f1_002D457c_002D4ca6_002Db278_002D5615aedc07d3/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Static" AccessRightKinds="Private" Description="Static readonly fields (private)"&gt;&lt;ElementKinds&gt;&lt;Kind Name="READONLY_FIELD" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;&lt;/Policy&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=236f7aa5_002D7b06_002D43ca_002Dbf2a_002D9b31bfcff09a/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Any" AccessRightKinds="Private" Description="Constant fields (private)"&gt;&lt;ElementKinds&gt;&lt;Kind Name="CONSTANT_FIELD" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="AaBb" /&gt;&lt;/Policy&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=4a98fdf6_002D7d98_002D4f5a_002Dafeb_002Dea44ad98c70c/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Instance" AccessRightKinds="Private" Description="Instance fields (private)"&gt;&lt;ElementKinds&gt;&lt;Kind Name="FIELD" /&gt;&lt;Kind Name="READONLY_FIELD" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;&lt;/Policy&gt;</s:String>
+	<s:String x:Key="/Default/CodeStyle/Naming/CSharpNaming/UserRules/=f9fce829_002De6f4_002D4cb2_002D80f1_002D5497c44f51df/@EntryIndexedValue">&lt;Policy&gt;&lt;Descriptor Staticness="Static" AccessRightKinds="Private" Description="Static fields (private)"&gt;&lt;ElementKinds&gt;&lt;Kind Name="FIELD" /&gt;&lt;/ElementKinds&gt;&lt;/Descriptor&gt;&lt;Policy Inspect="True" Prefix="" Suffix="" Style="aaBb" /&gt;&lt;/Policy&gt;</s:String>
+	<s:Boolean x:Key="/Default/Environment/SettingsMigration/IsMigratorApplied/=JetBrains_002EReSharper_002EPsi_002ECSharp_002ECodeStyle_002ESettingsUpgrade_002EPredefinedNamingRulesToUserRulesUpgrade/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=AGAST/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=AKAZE/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Argb/@EntryIndexedValue">True</s:Boolean>
@@ -64,7 +73,9 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=imgproc/@EntryIndexedValue">True</s:Boolean>
 
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=imread/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=imreadmulti/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=imshow/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=imwrite/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=inlier/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=inliers/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=inliners/@EntryIndexedValue">True</s:Boolean>
@@ -88,6 +99,7 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Mersenne/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Mertens/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=MSER/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=multipage/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=ndims/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=neighbourhood/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=neighbouring/@EntryIndexedValue">True</s:Boolean>
@@ -100,6 +112,7 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=ONNX/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=opencv/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Otsu/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=prms/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=PSNR/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Ptrs/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=RANSAC/@EntryIndexedValue">True</s:Boolean>
@@ -134,9 +147,11 @@
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=uchar/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=umat/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Undistort/@EntryIndexedValue">True</s:Boolean>
+	<s:Boolean x:Key="/Default/UserDictionary/Words/=unmappable/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Vecs/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=videoio/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Voronoi/@EntryIndexedValue">True</s:Boolean>
+
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=Writeable/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=ximgproc/@EntryIndexedValue">True</s:Boolean>
 	<s:Boolean x:Key="/Default/UserDictionary/Words/=xphoto/@EntryIndexedValue">True</s:Boolean>

diff --git a/README.md b/README.md
@@ -1,33 +1,35 @@
-# OpenCvSharp
-[![Github Actions Windows Status](https://github.com/shimat/opencvsharp/workflows/Windows%20Server%202019/badge.svg)](https://github.com/shimat/opencvsharp/actions)  [![Github Actions Ubuntu Status](https://github.com/shimat/opencvsharp/workflows/Ubuntu%2018.04/badge.svg)](https://github.com/shimat/opencvsharp/actions) [![Github Actions MacOS Status](https://github.com/shimat/opencvsharp/workflows/macOS%2010.15/badge.svg)](https://github.com/shimat/opencvsharp/actions) [![GitHub license](https://img.shields.io/github/license/shimat/opencvsharp.svg)](https://github.com/shimat/opencvsharp/blob/master/LICENSE) 
+![opencvsharp](https://socialify.git.ci/shimat/opencvsharp/image?description=1&forks=1&language=1&owner=1&pattern=Plus&stargazers=1&theme=Light)
 
-Wrapper of OpenCV for .NET
+[![Github Actions Windows Status](https://github.com/shimat/opencvsharp/workflows/Windows%20Server%202022/badge.svg)](https://github.com/shimat/opencvsharp/actions)  [![Github Actions Ubuntu Status](https://github.com/shimat/opencvsharp/workflows/Ubuntu%2022.04/badge.svg)](https://github.com/shimat/opencvsharp/actions) [![GitHub license](https://img.shields.io/github/license/shimat/opencvsharp.svg)](https://github.com/shimat/opencvsharp/blob/master/LICENSE) 
 
 Old versions of OpenCvSharp are stored in [opencvsharp_2410](https://github.com/shimat/opencvsharp_2410).
 
 ## NuGet
 
+### Managed libraries
 | Package | Description | Link |
 |---------|-------------|------|
 |**OpenCvSharp4**| OpenCvSharp core libraries | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.svg)](https://badge.fury.io/nu/OpenCvSharp4) |
+|**OpenCvSharp4.Extensions**| GDI+ Extensions | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.Extensions.svg)](https://badge.fury.io/nu/OpenCvSharp4.Extensions) |
 |**OpenCvSharp4.WpfExtensions**| WPF Extensions | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.WpfExtensions.svg)](https://badge.fury.io/nu/OpenCvSharp4.WpfExtensions) |
 |**OpenCvSharp4.Windows**| All-in-one package for Windows (except UWP) | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.Windows.svg)](https://badge.fury.io/nu/OpenCvSharp4.Windows) |
+
+### Native bindings
+| Package | Description | Link |
+|---------|-------------|------|
 |**OpenCvSharp4.runtime.win**| Native bindings for Windows x64/x86 (except UWP) | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.runtime.win.svg)](https://badge.fury.io/nu/OpenCvSharp4.runtime.win) |
 |**OpenCvSharp4.runtime.uwp**| Native bindings for UWP (Universal Windows Platform) x64/x86/ARM | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.runtime.uwp.svg)](https://badge.fury.io/nu/OpenCvSharp4.runtime.uwp) |
-|**OpenCvSharp4.runtime.ubuntu.18.04-x64**| Native bindings for Ubuntu 18.04 x64 | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.runtime.ubuntu.18.04-x64.svg)](https://badge.fury.io/nu/OpenCvSharp4.runtime.ubuntu.18.04-x64) |
-|**OpenCvSharp4.runtime.osx.10.15-x64**| Native bindings for macOS 10.15 x64 | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.runtime.osx.10.15-x64.svg)](https://www.nuget.org/packages/OpenCvSharp4.runtime.osx.10.15-x64/) |
+|**OpenCvSharp4.official.runtime.linux-x64**| Native bindings for Linux x64 | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.official.runtime.linux-x64.svg)](https://badge.fury.io/nu/OpenCvSharp4.official.runtime.linux-x64) |
+|**OpenCvSharp4.runtime.linux-arm**| Native bindings for Linux Arm | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.runtime.linux-arm.svg)](https://www.nuget.org/packages/OpenCvSharp4.runtime.linux-arm/) |
+|**OpenCvSharp4.runtime.wasm**| Native bindings for WebAssembly | [![NuGet version](https://badge.fury.io/nu/OpenCvSharp4.runtime.wasm.svg)](https://www.nuget.org/packages/OpenCvSharp4.runtime.wasm/) |
 
-Native binding (OpenCvSharpExtern.dll / libOpenCvSharpExtern.so) is required to work OpenCvSharp. To use OpenCvSharp, you should add both `OpenCvSharp4` and `OpenCvSharp4.runtime.*` packages to your project. Currently, native bindings for Windows, UWP, Ubuntu 18.04 and macOS are released.
+Native binding (OpenCvSharpExtern.dll / libOpenCvSharpExtern.so) is required to work OpenCvSharp. To use OpenCvSharp, you should add both `OpenCvSharp4` and `OpenCvSharp4.runtime.*` packages to your project. Currently, native bindings for Windows, UWP and Ubuntu are released.
 
 Packages named OpenCvSharp3-* and OpenCvSharp-* are deprecated.
 > [OpenCvSharp3-AnyCPU](https://www.nuget.org/packages/OpenCvSharp3-AnyCPU/) / [OpenCvSharp3-WithoutDll](https://www.nuget.org/packages/OpenCvSharp3-WithoutDll/) / [OpenCvSharp-AnyCPU](https://www.nuget.org/packages/OpenCvSharp-AnyCPU/) /  [OpenCvSharp-WithoutDll](https://www.nuget.org/packages/OpenCvSharp-WithoutDll/)
 
 ## Docker images
-https://hub.docker.com/u/shimat
-- Ubuntu 18.04 (.NET Core 3.1): [shimat/ubuntu18-dotnetcore3.1-opencv4.5.0](https://hub.docker.com/r/shimat/ubuntu18-dotnetcore3.1-opencv4.5.0)
-- For Google App Engine Flexible (.NET Core 3.1): [shimat/appengine-aspnetcore3.1-opencv4.5.0](https://hub.docker.com/r/shimat/appengine-aspnetcore3.1-opencv4.5.0)
-- For AWS Lambda (.NET 5): [shimat/al2-dotnet5-opencv4.5.0](https://hub.docker.com/r/shimat/al2-dotnet5-opencv4.5.0)
-  - Code sample: https://github.com/shimat/opencvsharp_AWSLambdaSample
+https://github.com/shimat?tab=packages
 
 ## Installation
 
@@ -37,47 +39,31 @@ Add `OpenCvSharp4` and `OpenCvSharp4.runtime.win` NuGet packages to your project
 ### UWP
 Add `OpenCvSharp4` and `OpenCvSharp4.runtime.uwp` NuGet packages to your project. Note that `OpenCvSharp4.runtime.win` and `OpenCvSharp4.Windows` don't work for UWP. 
 
-### Ubuntu 18.04
-Add `OpenCvSharp4` and `OpenCvSharp4.runtime.ubuntu.18.04.x64` NuGet packages to your project.
+### Ubuntu 22.04
+Add `OpenCvSharp4` and `OpenCvSharp4.runtime.ubuntu.22.04.x64` NuGet packages to your project.
 ```
 dotnet new console -n ConsoleApp01
 cd ConsoleApp01
 dotnet add package OpenCvSharp4
-dotnet add package OpenCvSharp4.runtime.ubuntu.18.04-x64
+dotnet add package OpenCvSharp4_.runtime.ubuntu.22.04-x64
 # -- edit Program.cs --- # 
 dotnet run
 ```
 
-### Google AppEngine Flexible (Ubuntu 16.04)
-Some Docker images are provided to use OpenCvSharp with AppEngine Flexible. The native binding (libOpenCvSharpExtern) is already built in the docker image and you don't need to worry about it.
-```
-FROM shimat/appengine-aspnetcore3.1-opencv4.5.0:20201030
-
-ADD ./ /app 
-ENV ASPNETCORE_URLS=http://*:${PORT} 
-
-WORKDIR /app 
-ENTRYPOINT [ "dotnet", "YourAspNetCoreProject.dll" ]
-```
-
-### Ubuntu 18.04 Docker image
-You can use the `shimat/ubuntu18-dotnetcore3.1-opencv4.5.0` docker image.
-This issue may be helpful: https://github.com/shimat/opencvsharp/issues/920
-
 ### Downloads
 If you do not use NuGet, get DLL files from the [release page](https://github.com/shimat/opencvsharp/releases).
 
 ## Target OpenCV
-* [OpenCV 4.5.1](http://opencv.org/) with [opencv_contrib](https://github.com/opencv/opencv_contrib)
+* [OpenCV 4.10.0](http://opencv.org/) with [opencv_contrib](https://github.com/opencv/opencv_contrib)
 
 ## Requirements
-* [.NET Framework 4.6.1](http://www.microsoft.com/ja-jp/download/details.aspx?id=1639) / [.NET Core 2.0](https://www.microsoft.com/net/download) / [Mono](http://www.mono-project.com/Main_Page)
-* (Windows) [Visual C++ 2019 Redistributable Package](https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads)
+* [.NET Framework 4.8](http://www.microsoft.com/ja-jp/download/details.aspx?id=1639) / [.NET 6](https://www.microsoft.com/net/download) or later / .NET Standard 2.0
+* (Windows) [Visual C++ 2022 Redistributable Package](https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads)
 * (Windows Server) Media Foundation
 ```
 PS1> Install-WindowsFeature Server-Media-Foundation
 ```
-* (Ubuntu, Mac) You must pre-install all the dependency packages needed to build OpenCV. Many packages such as libjpeg must be installed in order to work OpenCV. 
+* (Ubuntu) You must pre-install all the dependency packages needed to build OpenCV. Many packages such as libjpeg must be installed in order to work OpenCV. 
 https://www.learnopencv.com/install-opencv-4-on-ubuntu-18-04/
 
 
@@ -147,14 +133,14 @@ using (var t = new ResourcesTracker())
 ## Code samples
 https://github.com/shimat/opencvsharp_samples/
 
-## Documents
+## API Documents
 http://shimat.github.io/opencvsharp/api/OpenCvSharp.html
 
 ## OpenCvSharp Build Instructions
 ### Windows
-- Install Visual Studio 2019 or later
+- Install Visual Studio 2022 or later
   - VC++ features are required.
-- Run `download_opencv_windows.ps1` to download OpenCV libs and headers from https://github.com/shimat/opencv_files. Those lib files are precompiled by the owner of OpenCvSharp using AppVeyor CI.
+- Run `download_opencv_windows.ps1` to download OpenCV libs and headers from https://github.com/shimat/opencv_files. Those lib files are precompiled by the owner of OpenCvSharp using GitHub Actions.
 ```
 .\download_opencv_windows.ps1
 ```
@@ -168,10 +154,10 @@ If you want to use some OpenCV features that are not provided by default in Open
 - Edit `build_windows.ps1` or `build_uwp.ps1` to customize the CMake parameters .
 - Run the PowerShell script.
 
-### Ubuntu 18.04
+### Ubuntu
 - Build OpenCV with opencv_contrib. 
   - https://www.learnopencv.com/install-opencv-4-on-ubuntu-18-04/
-- Install .NET Core SDK. https://docs.microsoft.com/ja-jp/dotnet/core/install/linux-package-manager-ubuntu-1804
+- Install .NET Core SDK. https://learn.microsoft.com/ja-jp/dotnet/core/install/linux-ubuntu
 - Get OpenCvSharp source files
 ```
 git clone https://github.com/shimat/opencvsharp.git
@@ -202,9 +188,6 @@ dotnet add package OpenCvSharp4
 dotnet run
 ```
 
-### Older Ubuntu
-Refer to the [Dockerfile](https://github.com/shimat/opencvsharp/blob/master/docker/google-appengine-ubuntu.16.04-x64/Dockerfile) and [Wiki pages](https://github.com/shimat/opencvsharp/wiki).
-
 ## Donations
 If you find the OpenCvSharp library useful and would like to show your gratitude by donating, here are some donation options. Thank you.
 

diff --git a/docfx/docfx.json b/docfx/docfx.json
@@ -12,7 +12,7 @@
       "disableGitFeatures": false,
       "disableDefaultFilter": false,
       "properties": {
-          "TargetFramework": "net48"
+          "TargetFramework": "net6"
       }
     }
   ],

diff --git a/docker/al2-dotnet5-opencv4.5.1/Dockerfile → docker/al2-dotnet5-opencv4.6.0/Dockerfile b/docker/al2-dotnet5-opencv4.5.1/Dockerfile → docker/al2-dotnet5-opencv4.6.0/Dockerfile
@@ -1,6 +1,6 @@
 FROM public.ecr.aws/lambda/dotnet:5.0
 
-ENV OPENCV_VERSION=4.5.1
+ENV OPENCV_VERSION=4.6.0
 
 WORKDIR /
 
@@ -32,11 +32,13 @@ RUN cd opencv && mkdir build && cd build && \
     -D BUILD_TESTS=OFF \
     -D BUILD_JAVA=OFF \
     -D BUILD_opencv_app=OFF \
+    -D BUILD_opencv_barcode=OFF \
     -D BUILD_opencv_java_bindings_generator=OFF \
+    -D BUILD_opencv_js_bindings_generator=OFF \
     -D BUILD_opencv_python_bindings_generator=OFF \
     -D BUILD_opencv_python_tests=OFF \
     -D BUILD_opencv_ts=OFF \
-    -D BUILD_opencv_js=OFF \ 
+    -D BUILD_opencv_js=OFF \
     -D BUILD_opencv_bioinspired=OFF \
     -D BUILD_opencv_ccalib=OFF \
     -D BUILD_opencv_datasets=OFF \
@@ -46,21 +48,23 @@ RUN cd opencv && mkdir build && cd build && \
     -D BUILD_opencv_gapi=OFF \
     -D BUILD_opencv_intensity_transform=OFF \
     -D BUILD_opencv_mcc=OFF \
+    -D BUILD_opencv_objc_bindings_generator=OFF \
     -D BUILD_opencv_rapid=OFF \
     -D BUILD_opencv_reg=OFF \
     -D BUILD_opencv_stereo=OFF \
     -D BUILD_opencv_structured_light=OFF \
     -D BUILD_opencv_surface_matching=OFF \
     -D BUILD_opencv_videostab=OFF \
-    -D WITH_GSTREAMER=OFF \ 
+    -D BUILD_opencv_wechat_qrcode=ON \
+    -D WITH_GSTREAMER=OFF \
     -D OPENCV_ENABLE_NONFREE=ON \
-    .. && make -j8 && make install
+    .. && make -j$(nproc) && make install
 
 # Download OpenCvSharp
 RUN wget https://github.com/shimat/opencvsharp/archive/master.zip && \
     unzip master.zip && rm master.zip && \
     mv opencvsharp-master opencvsharp && \
-    cd opencvsharp 
+    cd opencvsharp
 
 # Install the Extern lib.
 RUN mkdir /opencvsharp/make && cd /opencvsharp/make && \

diff --git a/...tu18-dotnetcore3.1-opencv4.5.1/Dockerfile → ...r/ubuntu22-dotnet6-opencv4.8.0/Dockerfile b/...tu18-dotnetcore3.1-opencv4.5.1/Dockerfile → ...r/ubuntu22-dotnet6-opencv4.8.0/Dockerfile
@@ -1,6 +1,7 @@
-FROM mcr.microsoft.com/dotnet/sdk:3.1-bionic
+FROM mcr.microsoft.com/dotnet/aspnet:6.0-jammy AS builder
 
-ENV OPENCV_VERSION=4.5.1
+ENV DEBIAN_FRONTEND=noninteractive
+ENV OPENCV_VERSION=4.8.0
 
 WORKDIR /
 
@@ -20,28 +21,27 @@ RUN apt-get update && apt-get -y install --no-install-recommends \
       libavcodec-dev \
       libavformat-dev \
       libswscale-dev \
-      libdc1394-22-dev \
+      libdc1394-dev \
       libxine2-dev \
       libv4l-dev \
       libtheora-dev \
       libvorbis-dev \
       libxvidcore-dev \
       libopencore-amrnb-dev \
       libopencore-amrwb-dev \
-      libavresample-dev \
       x264 \
       libtesseract-dev \
       libgdiplus \
     && apt-get -y clean \
     && rm -rf /var/lib/apt/lists/*
 
 # Setup opencv and opencv-contrib source
-RUN wget https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \
-    unzip ${OPENCV_VERSION}.zip && \
+RUN wget -q https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \
+    unzip -q ${OPENCV_VERSION}.zip && \
     rm ${OPENCV_VERSION}.zip && \
     mv opencv-${OPENCV_VERSION} opencv && \
-    wget https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip && \
-    unzip ${OPENCV_VERSION}.zip && \
+    wget -q https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip && \
+    unzip -q ${OPENCV_VERSION}.zip && \
     rm ${OPENCV_VERSION}.zip && \
     mv opencv_contrib-${OPENCV_VERSION} opencv_contrib
 
@@ -58,7 +58,9 @@ RUN cd opencv && mkdir build && cd build && \
     -D BUILD_TESTS=OFF \
     -D BUILD_JAVA=OFF \
     -D BUILD_opencv_app=OFF \
+    -D BUILD_opencv_barcode=OFF \
     -D BUILD_opencv_java_bindings_generator=OFF \
+    -D BUILD_opencv_js_bindings_generator=OFF \
     -D BUILD_opencv_python_bindings_generator=OFF \
     -D BUILD_opencv_python_tests=OFF \
     -D BUILD_opencv_ts=OFF \
@@ -72,31 +74,43 @@ RUN cd opencv && mkdir build && cd build && \
     -D BUILD_opencv_gapi=OFF \
     -D BUILD_opencv_intensity_transform=OFF \
     -D BUILD_opencv_mcc=OFF \
+    -D BUILD_opencv_objc_bindings_generator=OFF \
     -D BUILD_opencv_rapid=OFF \
     -D BUILD_opencv_reg=OFF \
     -D BUILD_opencv_stereo=OFF \
     -D BUILD_opencv_structured_light=OFF \
     -D BUILD_opencv_surface_matching=OFF \
     -D BUILD_opencv_videostab=OFF \
+    -D BUILD_opencv_wechat_qrcode=ON \
     -D WITH_GSTREAMER=OFF \
+    -D WITH_ADE=OFF \
     -D OPENCV_ENABLE_NONFREE=ON \
-    .. && make -j6 && make install && ldconfig
+    .. && make -j$(nproc) && make install && ldconfig
 
 # Download OpenCvSharp
 RUN git clone https://github.com/shimat/opencvsharp.git && cd opencvsharp
 
 # Install the Extern lib.
 RUN mkdir /opencvsharp/make && cd /opencvsharp/make && \
     cmake -D CMAKE_INSTALL_PREFIX=/opencvsharp/make /opencvsharp/src && \
-    make -j && make install && \
+    make -j$(nproc) && make install && \
     rm -rf /opencv && \
     rm -rf /opencv_contrib && \
+    cp /opencvsharp/make/OpenCvSharpExtern/libOpenCvSharpExtern.so /usr/lib/ && \
     mkdir /artifacts && \
     cp /opencvsharp/make/OpenCvSharpExtern/libOpenCvSharpExtern.so /artifacts/
 
-# Test OpenCvSharpExtern
-RUN cp artifacts/libOpenCvSharpExtern.so /usr/lib/ && \
-    echo "\n\
+
+########## Test native .so file ##########
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0-jammy
+RUN apt-get update && apt-get -y install --no-install-recommends gcc
+# /usr/lib/libOpenCvSharpExtern.so
+# /usr/local/lib/libopencv_*.a
+COPY --from=builder /usr/lib /usr/lib
+#COPY --from=builder /usr/local/lib /usr/local/lib
+
+RUN echo "\n\
 #include <stdio.h> \n\
 int core_Mat_sizeof(); \n\
 int main(){ \n\
@@ -105,27 +119,24 @@ int main(){ \n\
   return 0; \n\
 }" > /test.c && \
     gcc -I./ -L./ test.c -o test -lOpenCvSharpExtern && \
-    LD_LIBRARY_PATH=. ./test && \
-    rm -f /test*
+    LD_LIBRARY_PATH=. ./test
 
-# Install Build the C# part of OpenCvSharp
-#RUN cd /opencvsharp/src/OpenCvSharp && \
-#    dotnet build -c Release -f netstandard2.1 && \
-#    cd /opencvsharp/src/OpenCvSharp.Blob && \
-#    dotnet build -c Release -f netstandard2.1 && \
-#    cd /opencvsharp/src/OpenCvSharp.Extensions && \
-#    dotnet build -c Release -f netstandard2.1 && \
-#    cp /opencvsharp/src/OpenCvSharp/bin/Release/netstandard2.1/* /artifacts/ && \
-#    cp /opencvsharp/src/OpenCvSharp.Blob/bin/Release/netstandard2.1/* /artifacts/ && \
-#    cp /opencvsharp/src/OpenCvSharp.Extensions/bin/Release/netstandard2.1/* /artifacts/ 
 
-# Test OpenCvSharp
-#RUN dotnet test /opencvsharp/test/OpenCvSharp.Tests/OpenCvSharp.Tests.csproj -c Release -f netcoreapp3.1 --runtime ubuntu.18.04-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
+########## Test .NET class libraries ##########
 
-RUN rm -rf /opencvsharp
+FROM mcr.microsoft.com/dotnet/sdk:6.0-jammy
+COPY --from=builder /usr/lib /usr/lib
+# Install Build the C# part of OpenCvSharp
+RUN git clone https://github.com/shimat/opencvsharp.git && cd opencvsharp
+RUN cd /opencvsharp/src/OpenCvSharp && \
+    dotnet build -c Release -f net6.0 && \
+    cd /opencvsharp/src/OpenCvSharp.Extensions && \
+    dotnet build -c Release -f net6.0
+
+RUN dotnet test /opencvsharp/test/OpenCvSharp.Tests/OpenCvSharp.Tests.csproj -c Release -f net6.0 --runtime ubuntu.20.04-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
 
 # Simple console app test using NuGet
-#RUN dotnet new console -f netcoreapp3.1 -o "ConsoleApp01" && cd /ConsoleApp01 && \
+# RUN dotnet new console -f net6.0 -o "ConsoleApp01" && cd /ConsoleApp01 && \
 #    echo "\n\
 #using System; \n\
 #using OpenCvSharp; \n\
@@ -141,3 +152,11 @@ RUN rm -rf /opencvsharp
 #    rm -rf /ConsoleApp01
 
 #RUN ldd /artifacts/libOpenCvSharpExtern.so
+
+
+
+########## Final image ##########
+
+FROM mcr.microsoft.com/dotnet/aspnet:6.0-jammy AS final
+COPY --from=builder /usr/lib /usr/lib
+COPY --from=builder /artifacts /artifacts
diff --git a/docker/ubuntu22-dotnet6sdk-opencv4.7.0/Dockerfile b/docker/ubuntu22-dotnet6sdk-opencv4.7.0/Dockerfile
@@ -0,0 +1,159 @@
+FROM mcr.microsoft.com/dotnet/aspnet:6.0-jammy AS builder
+
+ENV DEBIAN_FRONTEND=noninteractive
+ENV OPENCV_VERSION=4.7.0
+
+WORKDIR /
+
+# Install opencv dependencies
+RUN apt-get update && apt-get -y install --no-install-recommends \
+      apt-transport-https \
+      software-properties-common \
+      wget \
+      unzip \
+      ca-certificates \
+      build-essential \
+      cmake \
+      git \
+      libtbb-dev \
+      libatlas-base-dev \
+      libgtk2.0-dev \
+      libavcodec-dev \
+      libavformat-dev \
+      libswscale-dev \
+      libdc1394-dev \
+      libxine2-dev \
+      libv4l-dev \
+      libtheora-dev \
+      libvorbis-dev \
+      libxvidcore-dev \
+      libopencore-amrnb-dev \
+      libopencore-amrwb-dev \
+      x264 \
+      libtesseract-dev \
+      libgdiplus \
+    && apt-get -y clean \
+    && rm -rf /var/lib/apt/lists/*
+
+# Setup opencv and opencv-contrib source
+RUN wget -q https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip && \
+    unzip -q ${OPENCV_VERSION}.zip && \
+    rm ${OPENCV_VERSION}.zip && \
+    mv opencv-${OPENCV_VERSION} opencv && \
+    wget -q https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip && \
+    unzip -q ${OPENCV_VERSION}.zip && \
+    rm ${OPENCV_VERSION}.zip && \
+    mv opencv_contrib-${OPENCV_VERSION} opencv_contrib
+
+# Build OpenCV
+RUN cd opencv && mkdir build && cd build && \
+    cmake \
+    -D OPENCV_EXTRA_MODULES_PATH=/opencv_contrib/modules \
+    -D CMAKE_BUILD_TYPE=RELEASE \
+    -D BUILD_SHARED_LIBS=OFF \
+    -D ENABLE_CXX11=ON \
+    -D BUILD_EXAMPLES=OFF \
+    -D BUILD_DOCS=OFF \
+    -D BUILD_PERF_TESTS=OFF \
+    -D BUILD_TESTS=OFF \
+    -D BUILD_JAVA=OFF \
+    -D BUILD_opencv_app=OFF \
+    -D BUILD_opencv_barcode=OFF \
+    -D BUILD_opencv_java_bindings_generator=OFF \
+    -D BUILD_opencv_js_bindings_generator=OFF \
+    -D BUILD_opencv_python_bindings_generator=OFF \
+    -D BUILD_opencv_python_tests=OFF \
+    -D BUILD_opencv_ts=OFF \
+    -D BUILD_opencv_js=OFF \
+    -D BUILD_opencv_bioinspired=OFF \
+    -D BUILD_opencv_ccalib=OFF \
+    -D BUILD_opencv_datasets=OFF \
+    -D BUILD_opencv_dnn_objdetect=OFF \
+    -D BUILD_opencv_dpm=OFF \
+    -D BUILD_opencv_fuzzy=OFF \
+    -D BUILD_opencv_gapi=OFF \
+    -D BUILD_opencv_intensity_transform=OFF \
+    -D BUILD_opencv_mcc=OFF \
+    -D BUILD_opencv_objc_bindings_generator=OFF \
+    -D BUILD_opencv_rapid=OFF \
+    -D BUILD_opencv_reg=OFF \
+    -D BUILD_opencv_stereo=OFF \
+    -D BUILD_opencv_structured_light=OFF \
+    -D BUILD_opencv_surface_matching=OFF \
+    -D BUILD_opencv_videostab=OFF \
+    -D BUILD_opencv_wechat_qrcode=ON \
+    -D WITH_GSTREAMER=OFF \
+    -D WITH_ADE=OFF \
+    -D OPENCV_ENABLE_NONFREE=ON \
+    .. && make -j$(nproc) && make install && ldconfig
+
+# Download OpenCvSharp
+RUN git clone https://github.com/shimat/opencvsharp.git && cd opencvsharp
+
+# Install the Extern lib.
+RUN mkdir /opencvsharp/make && cd /opencvsharp/make && \
+    cmake -D CMAKE_INSTALL_PREFIX=/opencvsharp/make /opencvsharp/src && \
+    make -j$(nproc) && make install && \
+    rm -rf /opencv && \
+    rm -rf /opencv_contrib && \
+    cp /opencvsharp/make/OpenCvSharpExtern/libOpenCvSharpExtern.so /usr/lib/
+
+
+########## Test native .so file ##########
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0-jammy
+RUN apt-get update && apt-get -y install --no-install-recommends gcc
+# /usr/lib/libOpenCvSharpExtern.so
+# /usr/local/lib/libopencv_*.a
+COPY --from=builder /usr/lib /usr/lib
+#COPY --from=builder /usr/local/lib /usr/local/lib
+
+RUN echo "\n\
+#include <stdio.h> \n\
+int core_Mat_sizeof(); \n\
+int main(){ \n\
+  int i = core_Mat_sizeof(); \n\
+  printf(\"sizeof(Mat) = %d\", i); \n\
+  return 0; \n\
+}" > /test.c && \
+    gcc -I./ -L./ test.c -o test -lOpenCvSharpExtern && \
+    LD_LIBRARY_PATH=. ./test
+
+
+########## Test .NET class libraries ##########
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0-jammy
+COPY --from=builder /usr/lib /usr/lib
+# Install Build the C# part of OpenCvSharp
+RUN git clone https://github.com/shimat/opencvsharp.git && cd opencvsharp
+RUN cd /opencvsharp/src/OpenCvSharp && \
+    dotnet build -c Release -f net6.0 && \
+    cd /opencvsharp/src/OpenCvSharp.Extensions && \
+    dotnet build -c Release -f net6.0
+
+RUN dotnet test /opencvsharp/test/OpenCvSharp.Tests/OpenCvSharp.Tests.csproj -c Release -f net6.0 --runtime ubuntu.20.04-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
+
+# Simple console app test using NuGet
+# RUN dotnet new console -f net6.0 -o "ConsoleApp01" && cd /ConsoleApp01 && \
+#     echo "\n\
+# using System; \n\
+# using OpenCvSharp; \n\
+# class Program{ \n\
+#   static void Main(){ \n\
+#     Console.WriteLine(Cv2.GetTickCount()); \n\
+#     using var mat = new Mat(1, 1, MatType.CV_8UC1); \n\
+#     Console.WriteLine(mat.CvPtr); \n\
+#   } \n\
+# }" > Program.cs && \
+#     dotnet add package OpenCvSharp4 && \
+#     dotnet run && \
+#     rm -rf /ConsoleApp01
+
+#RUN ldd /artifacts/libOpenCvSharpExtern.so
+
+
+
+########## Final image ##########
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0-jammy AS final
+COPY --from=builder /usr/lib /usr/lib
diff --git a/docker/ubuntu24-dotnet8-opencv4.12.0/Dockerfile b/docker/ubuntu24-dotnet8-opencv4.12.0/Dockerfile
@@ -0,0 +1,162 @@
+FROM ubuntu:noble AS builder
+
+ARG OPENCV_VERSION=4.12.0
+ENV DEBIAN_FRONTEND=noninteractive
+ENV OPENCV_VERSION=${OPENCV_VERSION}
+ENV CCACHE_DIR=/root/.ccache
+ENV CCACHE_MAXSIZE=2G
+
+WORKDIR /
+
+# Install build and OpenCV dependencies (with BuildKit cache for apt)
+RUN --mount=type=cache,target=/var/cache/apt \
+    --mount=type=cache,target=/var/lib/apt/lists \
+    set -eux; \
+    apt-get update; \
+    apt-get -y install --no-install-recommends \
+      apt-transport-https \
+      software-properties-common \
+      wget \
+      unzip \
+      ca-certificates \
+      build-essential \
+      cmake \
+      git \
+      ccache \
+      libtbb-dev \
+      libatlas-base-dev \
+      libgtk-3-dev \
+      libavcodec-dev \
+      libavformat-dev \
+      libswscale-dev \
+      libdc1394-dev \
+      libxine2-dev \
+      libv4l-dev \
+      libtheora-dev \
+      libvorbis-dev \
+      libxvidcore-dev \
+      libopencore-amrnb-dev \
+      libopencore-amrwb-dev \
+      x264 \
+      libtesseract-dev \
+      libgdiplus \
+      pkg-config \
+      libavutil-dev; \
+    apt-get -y clean; \
+    rm -rf /var/lib/apt/lists/*
+
+# Fetch OpenCV and opencv_contrib sources
+RUN set -eux; \
+    wget -q https://github.com/opencv/opencv/archive/${OPENCV_VERSION}.zip; \
+    unzip -q ${OPENCV_VERSION}.zip; \
+    rm ${OPENCV_VERSION}.zip; \
+    mv opencv-${OPENCV_VERSION} /opencv; \
+    wget -q https://github.com/opencv/opencv_contrib/archive/${OPENCV_VERSION}.zip; \
+    unzip -q ${OPENCV_VERSION}.zip; \
+    rm ${OPENCV_VERSION}.zip; \
+    mv opencv_contrib-${OPENCV_VERSION} /opencv_contrib
+
+# Configure, build, and install OpenCV with ccache and parallel build
+RUN --mount=type=cache,target=/root/.ccache \
+    set -eux; \
+    cmake -S /opencv -B /opencv/build \
+      -D OPENCV_EXTRA_MODULES_PATH=/opencv_contrib/modules \
+      -D CMAKE_BUILD_TYPE=RELEASE \
+      -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+      -D CMAKE_CXX_COMPILER_LAUNCHER=ccache \
+      -D BUILD_SHARED_LIBS=OFF \
+      -D ENABLE_CXX11=ON \
+      -D BUILD_EXAMPLES=OFF \
+      -D BUILD_DOCS=OFF \
+      -D BUILD_PERF_TESTS=OFF \
+      -D BUILD_TESTS=OFF \
+      -D BUILD_JAVA=OFF \
+      -D BUILD_opencv_app=OFF \
+      -D BUILD_opencv_barcode=OFF \
+      -D BUILD_opencv_java_bindings_generator=OFF \
+      -D BUILD_opencv_js_bindings_generator=OFF \
+      -D BUILD_opencv_python_bindings_generator=OFF \
+      -D BUILD_opencv_python_tests=OFF \
+      -D BUILD_opencv_ts=OFF \
+      -D BUILD_opencv_js=OFF \
+      -D BUILD_opencv_bioinspired=OFF \
+      -D BUILD_opencv_ccalib=OFF \
+      -D BUILD_opencv_datasets=OFF \
+      -D BUILD_opencv_dnn_objdetect=OFF \
+      -D BUILD_opencv_dpm=OFF \
+      -D BUILD_opencv_fuzzy=OFF \
+      -D BUILD_opencv_gapi=OFF \
+      -D BUILD_opencv_intensity_transform=OFF \
+      -D BUILD_opencv_mcc=OFF \
+      -D BUILD_opencv_objc_bindings_generator=OFF \
+      -D BUILD_opencv_rapid=OFF \
+      -D BUILD_opencv_reg=OFF \
+      -D BUILD_opencv_stereo=OFF \
+      -D BUILD_opencv_structured_light=OFF \
+      -D BUILD_opencv_surface_matching=OFF \
+      -D BUILD_opencv_videostab=OFF \
+      -D BUILD_opencv_wechat_qrcode=ON \
+      -D WITH_GSTREAMER=OFF \
+      -D WITH_ADE=OFF \
+      -D OPENCV_ENABLE_NONFREE=ON; \
+    cmake --build /opencv/build --parallel "$(nproc)"; \
+    cmake --install /opencv/build; \
+    ldconfig
+
+# Get OpenCvSharp sources
+RUN git clone https://github.com/shimat/opencvsharp.git /opencvsharp
+
+# Build and install OpenCvSharp native extern with ccache
+RUN --mount=type=cache,target=/root/.ccache \
+    set -eux; \
+    mkdir -p /opencvsharp/make; \
+    cmake -S /opencvsharp/src -B /opencvsharp/make \
+      -D CMAKE_INSTALL_PREFIX=/opencvsharp/make \
+      -D CMAKE_C_COMPILER_LAUNCHER=ccache \
+      -D CMAKE_CXX_COMPILER_LAUNCHER=ccache; \
+    cmake --build /opencvsharp/make --parallel "$(nproc)"; \
+    cmake --install /opencvsharp/make; \
+    rm -rf /opencv /opencv_contrib; \
+    cp /opencvsharp/make/OpenCvSharpExtern/libOpenCvSharpExtern.so /usr/lib/; \
+    mkdir -p /artifacts; \
+    cp /opencvsharp/make/OpenCvSharpExtern/libOpenCvSharpExtern.so /artifacts/
+
+
+########## Test native .so file ##########
+
+FROM mcr.microsoft.com/dotnet/sdk:8.0-noble AS test-native
+RUN apt-get update && apt-get -y install --no-install-recommends gcc && rm -rf /var/lib/apt/lists/*
+COPY --from=builder /usr/lib /usr/lib
+RUN echo "\n\
+#include <stdio.h> \n\
+int core_Mat_sizeof(); \n\
+int main(){ \n\
+  int i = core_Mat_sizeof(); \n\
+  printf(\"sizeof(Mat) = %d\", i); \n\
+  return 0; \n\
+}" > /test.c && \
+    gcc -I./ -L./ test.c -o test -lOpenCvSharpExtern && \
+    LD_LIBRARY_PATH=. ./test
+
+
+########## Test .NET class libraries ##########
+
+FROM mcr.microsoft.com/dotnet/sdk:8.0-noble AS test-dotnet
+COPY --from=builder /usr/lib /usr/lib
+RUN git clone https://github.com/shimat/opencvsharp.git && cd opencvsharp
+RUN cd /opencvsharp/src/OpenCvSharp && \
+    dotnet build -c Release -f net8.0 && \
+    cd /opencvsharp/src/OpenCvSharp.Extensions && \
+    dotnet build -c Release -f net8.0
+RUN dotnet test /opencvsharp/test/OpenCvSharp.Tests/OpenCvSharp.Tests.csproj -c Release -f net8.0 --runtime ubuntu.20.04-x64 --logger "trx;LogFileName=test-results.trx" < /dev/null
+
+
+########## Final image ##########
+
+FROM mcr.microsoft.com/dotnet/sdk:8.0-noble AS final-sdk
+COPY --from=builder /usr/lib /usr/lib
+COPY --from=builder /artifacts /artifacts
+
+FROM mcr.microsoft.com/dotnet/aspnet:8.0-noble AS final
+COPY --from=builder /usr/lib /usr/lib
+COPY --from=builder /artifacts /artifacts
diff --git a/download_opencv_windows.ps1 b/download_opencv_windows.ps1
@@ -1,11 +1,7 @@
-$tag = "4.5.1.20201228"
-$version = "451"
-$uriArray =@(
-    "https://github.com/shimat/opencv_files/releases/download/${tag}/opencv${version}_win_x64.zip"
-    "https://github.com/shimat/opencv_files/releases/download/${tag}/opencv${version}_win_x86.zip" 
-    "https://github.com/shimat/opencv_files/releases/download/${tag}/opencv${version}_uwp_x64.zip" 
-    "https://github.com/shimat/opencv_files/releases/download/${tag}/opencv${version}_uwp_x86.zip"
-    "https://github.com/shimat/opencv_files/releases/download/${tag}/opencv${version}_uwp_ARM.zip"
+$tag = "4.11.0.20250505"
+$uriArray = @(
+    "https://github.com/shimat/opencv_files/releases/download/${tag}/opencv_win_x64.zip"
+    "https://github.com/shimat/opencv_files/releases/download/${tag}/opencv_win_x86.zip"
 )
 
 function Download($uri, $outFile) {
@@ -18,9 +14,9 @@ function Download($uri, $outFile) {
 New-Item opencv_files -Type directory -Force -ErrorAction Stop | Out-Null
 cd opencv_files
 
-[Net.ServicePointManager]::SecurityProtocol = @([Net.SecurityProtocolType]::Tls,[Net.SecurityProtocolType]::Tls11,[Net.SecurityProtocolType]::Tls12)
+[Net.ServicePointManager]::SecurityProtocol = @([Net.SecurityProtocolType]::Tls, [Net.SecurityProtocolType]::Tls11, [Net.SecurityProtocolType]::Tls12)
 
-foreach($uri in $uriArray){
+foreach ($uri in $uriArray) {
     $outFile = [System.IO.Path]::GetFileName($uri)
     $outFileWithoutExtension = [System.IO.Path]::GetFileNameWithoutExtension($uri)
     Download $uri $outFile

diff --git a/download_tesseract_windows.ps1 b/download_tesseract_windows.ps1
@@ -1,5 +1,5 @@
-$uriArray =@(
-    "https://github.com/shimat/tesseract_vcpkg/releases/download/2020.12.29/tesseract_vcpkg.0.0.6-beta.zip"
+$uriArray = @(
+    "https://github.com/shimat/tesseract_vcpkg/releases/download/2023.07.06/tesseract_vcpkg.0.0.8-beta.nupkg"
 )
 
 function Download($uri, $outFile) {
@@ -12,9 +12,9 @@ function Download($uri, $outFile) {
 mkdir tesseract_files -Force -ErrorAction Stop | Out-Null
 cd tesseract_files
 
-[Net.ServicePointManager]::SecurityProtocol = @([Net.SecurityProtocolType]::Tls,[Net.SecurityProtocolType]::Tls11,[Net.SecurityProtocolType]::Tls12)
+[Net.ServicePointManager]::SecurityProtocol = @([Net.SecurityProtocolType]::Tls, [Net.SecurityProtocolType]::Tls11, [Net.SecurityProtocolType]::Tls12)
 
-foreach($uri in $uriArray){
+foreach ($uri in $uriArray) {
     $outFile = "tesseract_vcpkg.zip"
     $outFileWithoutExtension = [System.IO.Path]::GetFileNameWithoutExtension($outFile)
     Download $uri $outFile

diff --git a/nuget/OpenCvSharp4.Extensions.nuspec b/nuget/OpenCvSharp4.Extensions.nuspec
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
+    <metadata>
+        <id>OpenCvSharp4.Extensions</id>
+        <version>4.6.0.20220607</version>
+        <title>OpenCvSharp GDI+ extension library.</title>
+        <authors>shimat</authors>
+        <license type="expression">Apache-2.0</license>
+        <projectUrl>https://github.com/shimat/opencvsharp</projectUrl>
+        <iconUrl>https://raw.githubusercontent.com/shimat/opencvsharp/master/nuget/icon/opencvsharp.png</iconUrl>
+        <requireLicenseAcceptance>false</requireLicenseAcceptance>
+        <description>OpenCvSharp GDI+ extension library.</description>
+        <summary>OpenCvSharp GDI+ extension library.</summary>
+        <releaseNotes></releaseNotes>
+        <copyright>Copyright 2008-2020</copyright>
+        <tags>Image Processing OpenCV Wrapper FFI opencvsharp</tags>
+        <repository type="git" url="https://github.com/shimat/opencvsharp.git" />
+        <dependencies>
+            <group targetFramework="net48">
+                <dependency id="OpenCvSharp4" version="4.5.3.20211226" />
+                <dependency id="System.Drawing.Common" version="8.0.11" />
+            </group>
+            <group targetFramework="netstandard2.0">
+                <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
+                <dependency id="System.Drawing.Common" version="8.0.11" />
+            </group>
+            <group targetFramework="netstandard2.1">
+                <dependency id="OpenCvSharp4" version="4.5.3.20211226" />
+                <dependency id="System.Drawing.Common" version="8.0.11" />
+            </group>
+            <group targetFramework="net6.0">
+                <dependency id="OpenCvSharp4" version="4.5.3.20211226" />
+                <dependency id="System.Drawing.Common" version="8.0.11" />
+            </group>
+        </dependencies>
+        <frameworkAssemblies>
+            <frameworkAssembly assemblyName="System.Drawing" targetFramework="net48" />
+            <frameworkAssembly assemblyName="System.Core" targetFramework="net48" />
+            <frameworkAssembly assemblyName="System.Xaml" targetFramework="net48" />
+        </frameworkAssemblies>
+    </metadata>
+    <files>
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net48\OpenCvSharp.Extensions.dll" target="lib\net48" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net48\OpenCvSharp.Extensions.pdb" target="lib\net48" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net48\OpenCvSharp.Extensions.xml" target="lib\net48" />
+
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.0\OpenCvSharp.Extensions.dll" target="lib\netstandard2.0" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.0\OpenCvSharp.Extensions.pdb" target="lib\netstandard2.0" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.0\OpenCvSharp.Extensions.xml" target="lib\netstandard2.0" />
+
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.1\OpenCvSharp.Extensions.dll" target="lib\netstandard2.1" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.1\OpenCvSharp.Extensions.pdb" target="lib\netstandard2.1" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.1\OpenCvSharp.Extensions.xml" target="lib\netstandard2.1" />
+
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net6.0\OpenCvSharp.Extensions.dll" target="lib\net6.0" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net6.0\OpenCvSharp.Extensions.pdb" target="lib\net6.0" />
+        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net6.0\OpenCvSharp.Extensions.xml" target="lib\net6.0" />
+    </files>
+</package>
diff --git a/nuget/OpenCvSharp4.Windows.nuspec b/nuget/OpenCvSharp4.Windows.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata>
         <id>OpenCvSharp4.Windows</id>
-        <version>4.3.0.20190901</version>
+        <version>4.6.0.20220607</version>
         <title>OpenCvSharp NuGet package for x64/x86 Windows (same as OpenCvSharp3-AnyCPU)</title>
         <authors>shimat</authors>
         <license type="expression">Apache-2.0</license>
@@ -16,25 +16,25 @@
         <tags>Image Processing OpenCV Wrapper FFI opencvsharp</tags>
         <repository type="git" url="https://github.com/shimat/opencvsharp.git" />
         <dependencies>
-            <group targetFramework="net461">
+            <group targetFramework="net48">
                 <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
                 <dependency id="OpenCvSharp4.WpfExtensions" version="4.3.0.20190901" />
                 <dependency id="OpenCvSharp4.runtime.win" version="4.3.0.20190901" />
             </group>
-            <group targetFramework="netcoreapp3.1">
+            <group targetFramework="netstandard2.0">
                 <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
-                <dependency id="OpenCvSharp4.WpfExtensions" version="4.3.0.20190901" />
                 <dependency id="OpenCvSharp4.runtime.win" version="4.3.0.20190901" />
             </group>
-            <group targetFramework="netcoreapp2.1">
+            <group targetFramework="netstandard2.1">
                 <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
                 <dependency id="OpenCvSharp4.runtime.win" version="4.3.0.20190901" />
             </group>
-            <group targetFramework="netstandard2.0">
+            <group targetFramework="netcoreapp3.1">
                 <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
+                <dependency id="OpenCvSharp4.WpfExtensions" version="4.3.0.20190901" />
                 <dependency id="OpenCvSharp4.runtime.win" version="4.3.0.20190901" />
             </group>
-            <group targetFramework="netstandard2.1">
+            <group targetFramework="net6.0">
                 <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
                 <dependency id="OpenCvSharp4.runtime.win" version="4.3.0.20190901" />
             </group>

diff --git a/nuget/OpenCvSharp4.WpfExtensions.nuspec b/nuget/OpenCvSharp4.WpfExtensions.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>OpenCvSharp4.WpfExtensions</id>
-        <version>4.3.0.20190901</version>
+        <version>4.6.0.20220607</version>
         <title>OpenCvSharp WPF extension library.</title>
         <authors>shimat</authors>
         <license type="expression">Apache-2.0</license>
@@ -16,29 +16,31 @@
         <tags>Image Processing OpenCV Wrapper FFI opencvsharp</tags>
         <repository type="git" url="https://github.com/shimat/opencvsharp.git" />
         <dependencies>
-            <group targetFramework="net461">
+            <group targetFramework="net48">
                 <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
+                <dependency id="System.Drawing.Common" version="8.0.11" />
             </group>
-            <group targetFramework="netcoreapp3.1">
+            <group targetFramework="net6.0">
                 <dependency id="OpenCvSharp4" version="4.3.0.20190901" />
+                <dependency id="System.Drawing.Common" version="8.0.11" />
             </group>
         </dependencies>
         <frameworkAssemblies>
-            <frameworkAssembly assemblyName="System.Drawing" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="PresentationCore" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="PresentationFramework" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="System.Core" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="WindowsBase" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="System.Xaml" targetFramework="net48, net461" />
+            <frameworkAssembly assemblyName="System.Drawing" targetFramework="net48" />
+            <frameworkAssembly assemblyName="PresentationCore" targetFramework="net48" />
+            <frameworkAssembly assemblyName="PresentationFramework" targetFramework="net48" />
+            <frameworkAssembly assemblyName="System.Core" targetFramework="net48" />
+            <frameworkAssembly assemblyName="WindowsBase" targetFramework="net48" />
+            <frameworkAssembly assemblyName="System.Xaml" targetFramework="net48" />
         </frameworkAssemblies>
     </metadata>
     <files>
-        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\net461\OpenCvSharp.WpfExtensions.dll" target="lib\net461" />
-        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\net461\OpenCvSharp.WpfExtensions.pdb" target="lib\net461" />
-        <file src="..\src\OpenCvSharp.WpfExtensions\OpenCvSharp.WpfExtensions.xml" target="lib\net461" />
+        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\net48\OpenCvSharp.WpfExtensions.dll" target="lib\net48" />
+        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\net48\OpenCvSharp.WpfExtensions.pdb" target="lib\net48" />
+        <file src="..\src\OpenCvSharp.WpfExtensions\OpenCvSharp.WpfExtensions.xml" target="lib\net48" />
 
-        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\netcoreapp3.1\OpenCvSharp.WpfExtensions.dll" target="lib\netcoreapp3.1" />
-        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\netcoreapp3.1\OpenCvSharp.WpfExtensions.pdb" target="lib\netcoreapp3.1" />
-        <file src="..\src\OpenCvSharp.WpfExtensions\OpenCvSharp.WpfExtensions.xml" target="lib\netcoreapp3.1" />
+        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\net6.0-windows\OpenCvSharp.WpfExtensions.dll" target="lib\net6.0" />
+        <file src="..\src\OpenCvSharp.WpfExtensions\bin\Release\net6.0-windows\OpenCvSharp.WpfExtensions.pdb" target="lib\net6.0" />
+        <file src="..\src\OpenCvSharp.WpfExtensions\OpenCvSharp.WpfExtensions.xml" target="lib\net6.0" />
     </files>
-</package>
+</package>
diff --git a/nuget/OpenCvSharp4.nuspec b/nuget/OpenCvSharp4.nuspec
@@ -2,7 +2,7 @@
 <package xmlns="http://schemas.microsoft.com/packaging/2011/08/nuspec.xsd">
     <metadata>
         <id>OpenCvSharp4</id>
-        <version>4.3.0.20190901</version>
+        <version>4.6.0.20220607</version>
         <title>OpenCvSharp core library. A package of separate native bindings for your OS is required.</title>
         <authors>shimat</authors>
         <license type="expression">Apache-2.0</license>
@@ -16,62 +16,42 @@
         <tags>Image Processing OpenCV Wrapper FFI opencvsharp</tags>
         <repository type="git" url="https://github.com/shimat/opencvsharp.git" />
         <dependencies>
-            <group targetFramework="net461">
-                <dependency id="System.Drawing.Common" version="5.0.2" />
-                <dependency id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" />
-                <dependency id="System.Memory" version="4.5.4" />
-                <dependency id="System.ValueTuple" version="4.5.0" />
+            <group targetFramework="net48">
+                <dependency id="System.Memory" version="4.6.3" />
+                <dependency id="System.ValueTuple" version="4.6.1" />
             </group>
             <group targetFramework="netstandard2.0">
-                <dependency id="System.Drawing.Common" version="5.0.2" />
-                <dependency id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" />
-                <dependency id="System.Memory" version="4.5.4" />
+                <dependency id="System.Memory" version="4.6.3" />
             </group>
             <group targetFramework="netstandard2.1">
-                <dependency id="System.Drawing.Common" version="5.0.2" />
-                <dependency id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" />
-                <dependency id="System.Memory" version="4.5.4" />
+                <dependency id="System.Memory" version="4.6.3" />
+                <dependency id="System.Runtime.CompilerServices.Unsafe" version="6.1.2" />
             </group>
-            <group targetFramework="netcoreapp2.1">
-                <dependency id="System.Drawing.Common" version="5.0.2" />
-                <dependency id="System.Runtime.CompilerServices.Unsafe" version="5.0.0" />
-                <dependency id="System.Memory" version="4.5.4" />
+            <group targetFramework="net6.0">
+                <dependency id="System.Memory" version="4.6.3" />
             </group>
         </dependencies>
         <frameworkAssemblies>
-            <frameworkAssembly assemblyName="System.Security" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="System.Web" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="System.Drawing" targetFramework="net48, net461" />
-            <frameworkAssembly assemblyName="System.Core" targetFramework="net48, net461" />
+            <frameworkAssembly assemblyName="System.Security" targetFramework="net48" />
+            <frameworkAssembly assemblyName="System.Web" targetFramework="net48" />
+            <frameworkAssembly assemblyName="System.Core" targetFramework="net48" />
         </frameworkAssemblies>
     </metadata>
     <files>
-        <file src="..\src\OpenCvSharp\bin\Release\net461\OpenCvSharp.dll" target="lib\net461" />
-        <file src="..\src\OpenCvSharp\bin\Release\net461\OpenCvSharp.xml" target="lib\net461" />
-        <file src="..\src\OpenCvSharp\bin\Release\net461\OpenCvSharp.pdb" target="lib\net461" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net461\OpenCvSharp.Extensions.dll" target="lib\net461" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net461\OpenCvSharp.Extensions.pdb" target="lib\net461" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\net461\OpenCvSharp.Extensions.xml" target="lib\net461" />
+        <file src="..\src\OpenCvSharp\bin\Release\net48\OpenCvSharp.dll" target="lib\net48" />
+        <file src="..\src\OpenCvSharp\bin\Release\net48\OpenCvSharp.xml" target="lib\net48" />
+        <file src="..\src\OpenCvSharp\bin\Release\net48\OpenCvSharp.pdb" target="lib\net48" />
 
         <file src="..\src\OpenCvSharp\bin\Release\netstandard2.0\OpenCvSharp.dll" target="lib\netstandard2.0" />
         <file src="..\src\OpenCvSharp\bin\Release\netstandard2.0\OpenCvSharp.pdb" target="lib\netstandard2.0" />
         <file src="..\src\OpenCvSharp\bin\Release\netstandard2.0\OpenCvSharp.xml" target="lib\netstandard2.0" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.0\OpenCvSharp.Extensions.dll" target="lib\netstandard2.0" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.0\OpenCvSharp.Extensions.pdb" target="lib\netstandard2.0" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.0\OpenCvSharp.Extensions.xml" target="lib\netstandard2.0" />
 
         <file src="..\src\OpenCvSharp\bin\Release\netstandard2.1\OpenCvSharp.dll" target="lib\netstandard2.1" />
         <file src="..\src\OpenCvSharp\bin\Release\netstandard2.1\OpenCvSharp.pdb" target="lib\netstandard2.1" />
         <file src="..\src\OpenCvSharp\bin\Release\netstandard2.1\OpenCvSharp.xml" target="lib\netstandard2.1" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.1\OpenCvSharp.Extensions.dll" target="lib\netstandard2.1" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.1\OpenCvSharp.Extensions.pdb" target="lib\netstandard2.1" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netstandard2.1\OpenCvSharp.Extensions.xml" target="lib\netstandard2.1" />
 
-        <file src="..\src\OpenCvSharp\bin\Release\netcoreapp2.1\OpenCvSharp.dll" target="lib\netcoreapp2.1" />
-        <file src="..\src\OpenCvSharp\bin\Release\netcoreapp2.1\OpenCvSharp.pdb" target="lib\netcoreapp2.1" />
-        <file src="..\src\OpenCvSharp\bin\Release\netcoreapp2.1\OpenCvSharp.xml" target="lib\netcoreapp2.1" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netcoreapp2.1\OpenCvSharp.Extensions.dll" target="lib\netcoreapp2.1" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netcoreapp2.1\OpenCvSharp.Extensions.pdb" target="lib\netcoreapp2.1" />
-        <file src="..\src\OpenCvSharp.Extensions\bin\Release\netcoreapp2.1\OpenCvSharp.Extensions.xml" target="lib\netcoreapp2.1" />
+        <file src="..\src\OpenCvSharp\bin\Release\net6.0\OpenCvSharp.dll" target="lib\net6.0" />
+        <file src="..\src\OpenCvSharp\bin\Release\net6.0\OpenCvSharp.pdb" target="lib\net6.0" />
+        <file src="..\src\OpenCvSharp\bin\Release\net6.0\OpenCvSharp.xml" target="lib\net6.0" />
     </files>
 </package>
diff --git a/...nCvSharp4.runtime.ubuntu.18.04-x64.csproj → ...vSharp4.official.runtime.linux-x64.csproj b/...nCvSharp4.runtime.ubuntu.18.04-x64.csproj → ...vSharp4.official.runtime.linux-x64.csproj
@@ -1,9 +1,9 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp2.1;</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net6.0;</TargetFrameworks>
     <NoBuild>true</NoBuild>
     <IncludeBuildOutput>false</IncludeBuildOutput>
-    <NuspecFile>OpenCvSharp4.runtime.ubuntu.18.04-x64.nuspec</NuspecFile>
+    <NuspecFile>OpenCvSharp4.official.runtime.linux-x64.nuspec</NuspecFile>
     <NuspecProperties></NuspecProperties>
     <NuspecBasePath></NuspecBasePath>
     <!--<IncludeSymbols>true</IncludeSymbols>

diff --git a/...nCvSharp4.runtime.ubuntu.18.04-x64.nuspec → ...vSharp4.official.runtime.linux-x64.nuspec b/...nCvSharp4.runtime.ubuntu.18.04-x64.nuspec → ...vSharp4.official.runtime.linux-x64.nuspec
@@ -1,30 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata>
-        <id>OpenCvSharp4.runtime.ubuntu.18.04-x64</id>
-        <version>4.3.0.20191030</version>
-        <title>OpenCvSharp native bindings for ubuntu.18.04-x64</title>
+        <id>OpenCvSharp4.official.runtime.linux-x64</id>
+        <version>4.6.0.20220608</version>
+        <title>OpenCvSharp native bindings for Linux-x64</title>
         <authors>shimat</authors>
         <license type="expression">Apache-2.0</license>
         <!--<licenseUrl>https://opensource.org/licenses/BSD-3-Clause</licenseUrl>-->
         <projectUrl>https://github.com/shimat/opencvsharp</projectUrl>
         <iconUrl>https://raw.githubusercontent.com/shimat/opencvsharp/master/nuget/icon/opencvsharp.png</iconUrl>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
-        <description>Internal implementation package for OpenCvSharp to work on Ubuntu 18.04</description>
-        <summary>Internal implementation package for OpenCvSharp to work on Ubuntu 18.04</summary>
+        <description>Internal implementation package for OpenCvSharp to work on Linux</description>
+        <summary>Internal implementation package for OpenCvSharp to work on Linux</summary>
         <releaseNotes></releaseNotes>
         <copyright>Copyright 2008-2019</copyright>
         <tags>Image Processing OpenCV Wrapper FFI opencvsharp</tags>
         <repository type="git" url="https://github.com/shimat/opencvsharp.git" />
         <dependencies>
             <group targetFramework="netstandard2.0"></group>
             <group targetFramework="netstandard2.1"></group>
-            <group targetFramework="netcoreapp2.1"></group>
+            <group targetFramework="net6.0"></group>
         </dependencies>
         <frameworkAssemblies>
         </frameworkAssemblies>
     </metadata>
     <files>
-        <file src="libOpenCvSharpExtern.so" target="runtimes/ubuntu.18.04-x64/native" />
+        <file src="libOpenCvSharpExtern.so" target="runtimes/linux-x64/native" />
     </files>
 </package>
diff --git a/...nCvSharp4.runtime.ubuntu.16.04-x64.csproj → nuget/OpenCvSharp4.runtime.linux-arm.csproj b/...nCvSharp4.runtime.ubuntu.16.04-x64.csproj → nuget/OpenCvSharp4.runtime.linux-arm.csproj
@@ -3,10 +3,10 @@
     <TargetFrameworks>netstandard2.0;netstandard2.1;netcoreapp2.1;</TargetFrameworks>
     <NoBuild>true</NoBuild>
     <IncludeBuildOutput>false</IncludeBuildOutput>
-    <NuspecFile>OpenCvSharp4.runtime.ubuntu.16.04-x64.nuspec</NuspecFile>
+    <NuspecFile>OpenCvSharp4.runtime.linux-arm.nuspec</NuspecFile>
     <NuspecProperties></NuspecProperties>
     <NuspecBasePath></NuspecBasePath>
     <!--<IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>-->
   </PropertyGroup>
-</Project>
+</Project> 
diff --git a/...nCvSharp4.runtime.ubuntu.16.04-x64.nuspec → nuget/OpenCvSharp4.runtime.linux-arm.nuspec b/...nCvSharp4.runtime.ubuntu.16.04-x64.nuspec → nuget/OpenCvSharp4.runtime.linux-arm.nuspec
@@ -1,30 +1,30 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <metadata>
-        <id>OpenCvSharp4.runtime.ubuntu.16.04-x64</id>
-        <version>4.3.0.20191030-beta1</version>
-        <title>OpenCvSharp native bindings for ubuntu.16.04-x64</title>
+        <id>OpenCvSharp4.runtime.linux-arm</id>
+        <version>4.3.0.20191030</version>
+        <title>OpenCvSharp native bindings for linux-arm</title>
         <authors>shimat</authors>
         <license type="expression">Apache-2.0</license>
         <!--<licenseUrl>https://opensource.org/licenses/BSD-3-Clause</licenseUrl>-->
         <projectUrl>https://github.com/shimat/opencvsharp</projectUrl>
         <iconUrl>https://raw.githubusercontent.com/shimat/opencvsharp/master/nuget/icon/opencvsharp.png</iconUrl>
         <requireLicenseAcceptance>false</requireLicenseAcceptance>
-        <description>Internal implementation package for OpenCvSharp to work on Ubuntu 16.04</description>
-        <summary>Internal implementation package for OpenCvSharp to work on Ubuntu 16.04</summary>
+        <description>Internal implementation package for OpenCvSharp to work on Ubuntu 18.04 for ARM</description>
+        <summary>Internal implementation package for OpenCvSharp to work on Ubuntu 18.04 for ARM</summary>
         <releaseNotes></releaseNotes>
         <copyright>Copyright 2008-2019</copyright>
         <tags>Image Processing OpenCV Wrapper FFI opencvsharp</tags>
         <repository type="git" url="https://github.com/shimat/opencvsharp.git" />
         <dependencies>
             <group targetFramework="netstandard2.0"></group>
             <group targetFramework="netstandard2.1"></group>
-            <group targetFramework="netcoreapp2.1"></group>
+            <group targetFramework="netcoreapp3.1"></group>
         </dependencies>
         <frameworkAssemblies>
         </frameworkAssemblies>
     </metadata>
     <files>
-        <file src="libOpenCvSharpExtern.so" target="runtimes/ubuntu.16.04-x64/native" />
+        <file src="libOpenCvSharpExtern.so" target="runtimes/linux-arm/native" />
     </files>
-</package>
+</package>
diff --git a/nuget/OpenCvSharp4.runtime.osx.10.15-x64.nuspec b/nuget/OpenCvSharp4.runtime.osx.10.15-x64.nuspec
@@ -19,7 +19,7 @@
         <dependencies>
             <group targetFramework="netstandard2.0"></group>
             <group targetFramework="netstandard2.1"></group>
-            <group targetFramework="netcoreapp2.1"></group>
+            <group targetFramework="netcoreapp3.1"></group>
         </dependencies>
         <frameworkAssemblies>
         </frameworkAssemblies>