diff --git a/.github/workflows/backends.yml b/.github/workflows/backends.yml
index a6daac2..41b2c96 100644
--- a/.github/workflows/backends.yml
+++ b/.github/workflows/backends.yml
@@ -28,7 +28,7 @@ jobs:
           - build: 'avx512'
             defines: '-DGGML_AVX512=ON -DSD_BUILD_SHARED_LIBS=ON'
           - build: 'cuda11'
-            defines: '-DSD_CUBLAS=ON -DSD_BUILD_SHARED_LIBS=ON'
+            defines: '-DSD_CUBLAS=ON -DSD_BUILD_SHARED_LIBS=ON -DCMAKE_CUDA_FLAGS="-allow-unsupported-compiler"'
           - build: 'cuda12'
             defines: '-DSD_CUBLAS=ON -DSD_BUILD_SHARED_LIBS=ON'
           - build: 'rocm5'
@@ -48,7 +48,7 @@ jobs:
         if: ${{ matrix.build == 'cuda11' }}
         uses: Jimver/cuda-toolkit@v0.2.14
         with:
-          cuda: '11.7.1'
+          cuda: '11.8.0'
           method: network
           sub-packages: '["nvcc", "cudart", "cublas", "cublas_dev", "thrust", "visual_studio_integration"]'
           use-github-cache: false
@@ -57,9 +57,9 @@ jobs:
       - name: Install cuda-toolkit
         id: cuda-toolkit-12
         if: ${{ matrix.build == 'cuda12' }}
-        uses: Jimver/cuda-toolkit@v0.2.14
+        uses: Jimver/cuda-toolkit@v0.2.16
         with:
-          cuda: '12.2.0'
+          cuda: '12.5.0'
           method: network
           sub-packages: '["nvcc", "cudart", "cublas", "cublas_dev", "thrust", "visual_studio_integration"]'
           use-github-cache: false
diff --git a/Examples/ImageCreationUI/Converter/ImageToImageSourceConverter.cs b/Examples/ImageCreationUI/Converter/ImageToImageSourceConverter.cs
index 6370177..c3d8cb6 100644
--- a/Examples/ImageCreationUI/Converter/ImageToImageSourceConverter.cs
+++ b/Examples/ImageCreationUI/Converter/ImageToImageSourceConverter.cs
@@ -4,7 +4,8 @@
 using System.Windows.Data;
 using System.Windows.Media;
 using System.Windows.Media.Imaging;
-using StableDiffusion.NET.Helper.Images;
+using HPPH;
+using HPPH.System.Drawing;
 
 namespace ImageCreationUI.Converter;
 
@@ -13,7 +14,7 @@ public class ImageToImageSourceConverter : IValueConverter
 {
     public object? Convert(object? value, Type targetType, object? parameter, CultureInfo culture)
     {
-        Bitmap? bitmap = (value as IImage)?.ToBitmap();
+        using Bitmap? bitmap = (value as IImage)?.ToBitmap();
         if (bitmap == null) return null;
 
         using MemoryStream ms = new();
diff --git a/Examples/ImageCreationUI/Extensions/ImageExtension.cs b/Examples/ImageCreationUI/Extensions/ImageExtension.cs
deleted file mode 100644
index 07d4d9c..0000000
--- a/Examples/ImageCreationUI/Extensions/ImageExtension.cs
+++ /dev/null
@@ -1,77 +0,0 @@
-using System.Buffers;
-using System.Drawing;
-using System.Drawing.Imaging;
-using StableDiffusion.NET.Helper.Images.Colors;
-using StableDiffusion.NET.Helper.Images;
-using System.IO;
-using System.Runtime.InteropServices;
-
-namespace ImageCreationUI;
-
-public static class ImageExtension
-{
-    public static Bitmap ToBitmap(this IImage image) => image.AsRefImage<ColorRGB>().ToBitmap();
-    public static Bitmap ToBitmap(this Image<ColorRGB> image) => image.AsRefImage<ColorRGB>().ToBitmap();
-
-    public static unsafe Bitmap ToBitmap(this RefImage<ColorRGB> image)
-    {
-        Bitmap output = new(image.Width, image.Height, PixelFormat.Format24bppRgb);
-        Rectangle rect = new(0, 0, image.Width, image.Height);
-        BitmapData bmpData = output.LockBits(rect, ImageLockMode.ReadWrite, output.PixelFormat);
-
-        nint ptr = bmpData.Scan0;
-        foreach (ReadOnlyRefEnumerable<ColorRGB> row in image.Rows)
-        {
-            Span<ColorBGR> target = new((void*)ptr, bmpData.Stride);
-            for (int i = 0; i < row.Length; i++)
-            {
-                ColorRGB srcColor = row[i];
-                target[i] = new ColorBGR(srcColor.B, srcColor.G, srcColor.R);
-            }
-
-            ptr += bmpData.Stride;
-        }
-
-        output.UnlockBits(bmpData);
-        return output;
-    }
-
-    public static byte[] ToPng(this IImage image)
-    {
-        using Bitmap bitmap = image.ToBitmap();
-        using MemoryStream ms = new();
-        bitmap.Save(ms, ImageFormat.Png);
-
-        return ms.ToArray();
-    }
-
-    public static unsafe Image<ColorRGB> ToImage(this Bitmap bitmap)
-    {
-        int width = bitmap.Width;
-        int height = bitmap.Height;
-
-        byte[] buffer = new byte[height * width * ColorRGB.ColorFormat.BytesPerPixel];
-        Span<ColorRGB> colorBuffer = MemoryMarshal.Cast<byte, ColorRGB>(buffer);
-
-        Rectangle rect = new(0, 0, bitmap.Width, bitmap.Height);
-        BitmapData bmpData = bitmap.LockBits(rect, ImageLockMode.ReadOnly, bitmap.PixelFormat);
-
-        nint ptr = bmpData.Scan0;
-        for (int y = 0; y < height; y++)
-        {
-            Span<ColorBGR> source = new((void*)ptr, bmpData.Stride);
-            Span<ColorRGB> target = colorBuffer.Slice(y * width, width);
-            for (int x = 0; x < width; x++)
-            {
-                ColorBGR srcColor = source[x];
-                target[x] = new ColorRGB(srcColor.R, srcColor.G, srcColor.B);
-            }
-
-            ptr += bmpData.Stride;
-        }
-
-        bitmap.UnlockBits(bmpData);
-
-        return new Image<ColorRGB>(buffer, 0, 0, width, height, width);
-    }
-}
\ No newline at end of file
diff --git a/Examples/ImageCreationUI/ImageCreationUI.csproj b/Examples/ImageCreationUI/ImageCreationUI.csproj
index 6900133..66e1258 100644
--- a/Examples/ImageCreationUI/ImageCreationUI.csproj
+++ b/Examples/ImageCreationUI/ImageCreationUI.csproj
@@ -10,11 +10,11 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="StableDiffusion.NET.Backend.Cpu" Version="1.2.0" />
-    <PackageReference Include="StableDiffusion.NET.Backend.Cuda" Version="1.2.0" />
-    <PackageReference Include="StableDiffusion.NET.Backend.Rocm" Version="1.2.0" />
-    <PackageReference Include="StableDiffusion.NET" Version="1.2.0" />
-    <PackageReference Include="System.Drawing.Common" Version="8.0.4" />
+    <PackageReference Include="HPPH.System.Drawing" Version="1.0.0" />
+    <PackageReference Include="StableDiffusion.NET" Version="2.0.0" />
+    <PackageReference Include="StableDiffusion.NET.Backend.Cpu" Version="2.0.0" />
+    <PackageReference Include="StableDiffusion.NET.Backend.Cuda" Version="2.0.0" />
+    <PackageReference Include="StableDiffusion.NET.Backend.Rocm" Version="2.0.0" />
   </ItemGroup>
 
 </Project>
diff --git a/Examples/ImageCreationUI/MainWindow.xaml b/Examples/ImageCreationUI/MainWindow.xaml
index 261f3cf..b5b234f 100644
--- a/Examples/ImageCreationUI/MainWindow.xaml
+++ b/Examples/ImageCreationUI/MainWindow.xaml
@@ -72,30 +72,44 @@
             <Label Content="AntiPrompt" />
             <TextBox Height="80" TextWrapping="Wrap" Text="{Binding AntiPrompt}" />
 
-            <StackPanel Orientation="Horizontal" Margin="0,8,0,0">
-                <Label Width="50" Content="Width" />
-                <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Width}" />
-            </StackPanel>
-
-            <StackPanel Orientation="Horizontal" Margin="0,8,0,0">
-                <Label Width="50" Content="Height" />
-                <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Height}" />
-            </StackPanel>
-
-            <StackPanel Orientation="Horizontal" Margin="0,8,0,0">
-                <Label Width="50" Content="Cfg" />
-                <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Cfg}" />
-            </StackPanel>
-
-            <StackPanel Orientation="Horizontal" Margin="0,8,0,0">
-                <Label Width="50" Content="Steps" />
-                <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Steps}" />
-            </StackPanel>
-
-            <StackPanel Orientation="Horizontal" Margin="0,8,0,0">
-                <Label Width="50" Content="Seed" />
-                <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Seed}" />
-            </StackPanel>
+            <DockPanel LastChildFill="True">
+                <StackPanel DockPanel.Dock="Left">
+                    <StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="0,8,0,0">
+                        <Label Width="50" Content="Width" />
+                        <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Width}" />
+                    </StackPanel>
+
+                    <StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="0,8,0,0">
+                        <Label Width="50" Content="Height" />
+                        <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Height}" />
+                    </StackPanel>
+
+                    <StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="0,8,0,0">
+                        <Label Width="50" Content="Cfg" />
+                        <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Cfg}" />
+                    </StackPanel>
+
+                    <StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="0,8,0,0">
+                        <Label Width="50" Content="Steps" />
+                        <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Steps}" />
+                    </StackPanel>
+
+                    <StackPanel DockPanel.Dock="Top" Orientation="Horizontal" Margin="0,8,0,0">
+                        <Label Width="50" Content="Seed" />
+                        <TextBox HorizontalAlignment="Left" Width="60" Text="{Binding Seed}" />
+                    </StackPanel>
+                </StackPanel>
+
+                <DockPanel Margin="16,0,0,0" LastChildFill="True">
+                    <Label DockPanel.Dock="Top" Content="Image2Image Source" />
+                    <DockPanel DockPanel.Dock="Top" >
+                        <Button DockPanel.Dock="Right" Width="24" Margin="2,0,0,0" Content="..." Command="{Binding SelectImage2ImageSourceCommand}" IsEnabled="{Binding IsReady}" />
+                        <TextBox Text="{Binding Image2ImageSourcePath}" />
+                    </DockPanel>
+
+                    <Image Source="{Binding Image2ImageSource, Converter={StaticResource ImageToImageSourceConverter}}" />
+                </DockPanel>
+            </DockPanel>
 
             <Label Content="Sample-Method" />
             <ComboBox ItemsSource="{Binding Source={StaticResource SamplerDataSource}}" SelectedItem="{Binding SampleMethod}" />
diff --git a/Examples/ImageCreationUI/MainWindowViewModel.cs b/Examples/ImageCreationUI/MainWindowViewModel.cs
index 7a9a100..f31afb7 100644
--- a/Examples/ImageCreationUI/MainWindowViewModel.cs
+++ b/Examples/ImageCreationUI/MainWindowViewModel.cs
@@ -1,9 +1,11 @@
 using System.ComponentModel;
+using System.Drawing.Imaging;
 using System.IO;
 using System.Runtime.CompilerServices;
+using HPPH;
+using HPPH.System.Drawing;
 using Microsoft.Win32;
 using StableDiffusion.NET;
-using StableDiffusion.NET.Helper.Images;
 
 namespace ImageCreationUI;
 
@@ -90,6 +92,33 @@ public Sampler SampleMethod
         set => SetProperty(ref _sampleMethod, value);
     }
 
+    private string _image2ImageSourcePath = string.Empty;
+    public string Image2ImageSourcePath
+    {
+        get => _image2ImageSourcePath;
+        set
+        {
+            if (SetProperty(ref _image2ImageSourcePath, value))
+            {
+                try
+                {
+                    Image2ImageSource = ImageHelper.LoadImage(value).ConvertTo<ColorRGB>();
+                }
+                catch
+                {
+                    Image2ImageSource = null;
+                }
+            }
+        }
+    }
+
+    private IImage<ColorRGB>? _image2ImageSource;
+    public IImage<ColorRGB>? Image2ImageSource
+    {
+        get => _image2ImageSource;
+        set => SetProperty(ref _image2ImageSource, value);
+    }
+
     private IImage? _image;
     public IImage? Image
     {
@@ -130,6 +159,9 @@ public bool IsReady
     private ActionCommand? _selectVaeCommand;
     public ActionCommand SelectVaeCommand => _selectVaeCommand ??= new ActionCommand(SelectVae);
 
+    private ActionCommand? _selectImage2ImageSourceCommand;
+    public ActionCommand SelectImage2ImageSourceCommand => _selectImage2ImageSourceCommand ??= new ActionCommand(SelectImage2ImageSource);
+
     #endregion
 
     #region Constructors
@@ -178,19 +210,35 @@ private async void CreateImage()
         {
             IsReady = false;
 
-            LogLine("Creating image ...");
-            using StableDiffusionImage? image = await Task.Run(() => _model?.TextToImage(Prompt, new StableDiffusionParameter
+            if (Image2ImageSource == null)
+            {
+                LogLine("Creating image ...");
+                Image = await Task.Run(() => _model?.TextToImage(Prompt, new StableDiffusionParameter
+                {
+                    NegativePrompt = AntiPrompt,
+                    Width = Width,
+                    Height = Height,
+                    CfgScale = Cfg,
+                    SampleSteps = Steps,
+                    Seed = Seed,
+                    SampleMethod = SampleMethod
+                }));
+            }
+            else
             {
-                NegativePrompt = AntiPrompt,
-                Width = Width,
-                Height = Height,
-                CfgScale = Cfg,
-                SampleSteps = Steps,
-                Seed = Seed,
-                SampleMethod = SampleMethod
-            }));
-
-            Image = image?.ToImage();
+                LogLine("Manipulating image ...");
+                Image = await Task.Run(() => _model?.ImageToImage(Prompt, Image2ImageSource, new StableDiffusionParameter
+                {
+                    NegativePrompt = AntiPrompt,
+                    Width = Width,
+                    Height = Height,
+                    CfgScale = Cfg,
+                    SampleSteps = Steps,
+                    Seed = Seed,
+                    SampleMethod = SampleMethod
+                }));
+            }
+
             LogLine("done!");
         }
         catch (Exception ex)
@@ -236,6 +284,19 @@ private void SelectVae()
             VaePath = openFileDialog.FileName;
     }
 
+    private void SelectImage2ImageSource()
+    {
+        IEnumerable<string> codecs = ["All Files (*.*)|*.*", .. ImageCodecInfo.GetImageDecoders().Select(c =>
+                                      {
+                                          string codecName = c.CodecName![8..].Replace("Codec", "Files").Trim();
+                                          return $"{codecName} ({c.FilenameExtension})|{c.FilenameExtension}";
+                                      })];
+
+        OpenFileDialog openFileDialog = new() { Filter = string.Join('|', codecs) };
+        if (openFileDialog.ShowDialog() == true)
+            Image2ImageSourcePath = openFileDialog.FileName;
+    }
+
     private void LogLine(string line, bool appendNewLine = true)
     {
         if (appendNewLine)
diff --git a/StableDiffusion.NET/Enums/Quantization.cs b/StableDiffusion.NET/Enums/Quantization.cs
index 73cea61..4507ef5 100644
--- a/StableDiffusion.NET/Enums/Quantization.cs
+++ b/StableDiffusion.NET/Enums/Quantization.cs
@@ -8,7 +8,7 @@ public enum Quantization
     Q4_0 = 2,
     Q4_1 = 3,
     // Q4_2 = 4, support has been removed
-    // Q4_3 (5) support has been removed
+    // Q4_3 = 5, support has been removed
     Q5_0 = 6,
     Q5_1 = 7,
     Q8_0 = 8,
@@ -18,7 +18,7 @@ public enum Quantization
     Q4_K = 12,
     Q5_K = 13,
     Q6_K = 14,
-    Q8_K = 15, 
+    Q8_K = 15,
     IQ2_XXS = 16,
     IQ2_XS = 17,
     IQ3_XXS = 18,
@@ -27,7 +27,14 @@ public enum Quantization
     IQ3_S = 21,
     IQ2_S = 22,
     IQ4_XS = 23,
-    I8,
-    I16,
-    I32,
+    I8 = 24,
+    I16 = 25,
+    I32 = 26,
+    I64 = 27,
+    F64 = 28,
+    IQ1_M = 29,
+    BF16 = 30,
+    Q4_0_4_4 = 31,
+    Q4_0_4_8 = 32,
+    Q4_0_8_8 = 33,
 }
\ No newline at end of file
diff --git a/build.bat b/build.bat
index f7e69da..d384de9 100644
--- a/build.bat
+++ b/build.bat
@@ -4,7 +4,7 @@ if not exist stable-diffusion.cpp (
 
 cd stable-diffusion.cpp
 git fetch
-git checkout ce1bcc74a6bf1f2c187d4d8ea14ee247cf562af2
+git checkout 73c2176648898b3a223c581ed138e5593f8fded5
 git submodule init
 git submodule update
 
@@ -45,4 +45,4 @@ dotnet publish -c Release -o bin
 
 copy .\stable-diffusion.cpp\build\bin\Release\*.dll .\bin\
 
-pause
\ No newline at end of file
+pause