12 Pull requests merged by 10 people

• Add Alpha matting samples (C++ and Python)

  #27593 merged Aug 12, 2025

• imgproc: Bilateral filter performance improvement

  #27433 merged Aug 12, 2025

• Add strict validation for encoding parameters

  #27621 merged Aug 12, 2025

• Support Symbol.dispose for using keyword in OpenCV.js (#26157)

  #27613 merged Aug 12, 2025

• Added Size layer to new DNN engine

  #27656 merged Aug 12, 2025

• G-API: Implement cfgClampOutputs option to OpenVINO Params

  #27600 merged Aug 12, 2025

• Added heuristic to allocate buffer for FAST features depending on input image resolution

  #27657 merged Aug 12, 2025

• Feat #25150: Pose Graph MST initialization

  #27423 merged Aug 12, 2025

• Bool masks support in imgproc module.

  #27644 merged Aug 11, 2025

• hal/riscv-rvv: implement FAST keypoint detection

  #27391 merged Aug 11, 2025

• test: gif: to test GIF codec at write_gif_flags

  #27649 merged Aug 11, 2025

• cuda 13.0 compatibility

  #27636 merged Aug 11, 2025

8 Pull requests opened by 4 people

• Optimize VideoCapture with cvtColor instead of sws_scale

  #27652 opened Aug 10, 2025

• MGS-8318 Fix error:implicit declaration of function sub_group_reduce_add

  #27653 opened Aug 11, 2025

• Added proper type handling for TRILU layer

  #27655 opened Aug 11, 2025

• Added Determinant (Det) layer to new DNN engine

  #27658 opened Aug 11, 2025

• Skip couple of intro frames in interactive calibration tool, if VideoCapture is opened correctly

  #27659 opened Aug 12, 2025

• Added IsInf layer to new DNN engine

  #27660 opened Aug 12, 2025

• Added IsNan layer to new DNN engine

  #27661 opened Aug 12, 2025

• Expose Orbbec color camera distortion coefficients as API.

  #27663 opened Aug 12, 2025

6 Issues closed by 2 people

• Proposal: Add strict validation for encoding parameters in OpenCV 5

  #27557 closed Aug 12, 2025

• JS: Support new `using` javascript keyword for explicit resource management

  #26157 closed Aug 12, 2025

• Implement minimum spanning tree

  #25150 closed Aug 12, 2025

• cv::cuda::warpAffine does not work inplace

  #27429 closed Aug 11, 2025

• gif: Imgcodecs_Gif.write_gif_flags tests compression and decompression PNG image.

  #27648 closed Aug 11, 2025

• Link errors “undefined reference to cublasLtSetEnvironmentMode” & “cublasLtGetEnvironmentMode” when building OpenCV 4.13.0 with CUDA 12.9 on Ubuntu 24.04

  #27639 closed Aug 11, 2025

2 Issues opened by 2 people

• Can't build custom OpenCV 4.12 for Android 15 with 16KB patch size

  #27662 opened Aug 12, 2025

• Current TRILU layer implementation lacks proper type handling

  #27654 opened Aug 11, 2025

22 Unresolved conversations

Sometimes conversations happen on old items that aren’t yet closed. Here is a list of all the Issues and Pull Requests with unresolved conversations.

• modules/videoio: add libcamera backend for OpenCV VideoCapture

  #27554 commented on Aug 12, 2025 • 11 new comments

• Add seemore_superres sample for image super-resolution using seemoredetails (C++ and Python)

  #27592 commented on Aug 12, 2025 • 6 new comments

• Trilu fix

  #27619 commented on Aug 11, 2025 • 3 new comments

• fix empty intrinsics handling and minor calibration improvements

  #27651 commented on Aug 12, 2025 • 1 new comment

• core: ARM64 loop unrolling in kmeans to improve Weighted Filter performance

  #27596 commented on Aug 11, 2025 • 1 new comment

• G-API: Add support to set workload type dynamically in both OpenVINO and ONNX OVEP

  #27460 commented on Aug 12, 2025 • 1 new comment

• Refactor Blackwell

  #27537 commented on Aug 12, 2025 • 1 new comment

• Better reproducibility.

  #27647 commented on Aug 12, 2025 • 0 new comments

• fix Win32/Win64 garbled "Chinese" window titles in UNICODE builds. Fix #27645

  #27646 commented on Aug 11, 2025 • 0 new comments

• stitching: enable loop unrolling in fast.cpp to improve ARM64 performance

  #27642 commented on Aug 10, 2025 • 0 new comments

• Fix Python Scalar typing issue #27528

  #27620 commented on Aug 12, 2025 • 0 new comments

• Added fully functional resize layer to new DNN engine

  #27586 commented on Aug 12, 2025 • 0 new comments

• dlpack Python support for cuda_GpuMat and cuda_GpuMatND

  #27581 commented on Aug 12, 2025 • 0 new comments

• Added fully functional convTranspose layer to new DNN engine

  #27560 commented on Aug 11, 2025 • 0 new comments

• Promote colorspace information from decoder to swscale in FFmpeg backend

  #24290 commented on Aug 12, 2025 • 0 new comments

• Add support for libcamera

  #21653 commented on Aug 12, 2025 • 0 new comments

• 4.12.0 crash with android targetSdk 35 16KB page size

  #27618 commented on Aug 12, 2025 • 0 new comments

• OpenCV4.8.0 DNN inference speed reduced by 50%.

  #23911 commented on Aug 12, 2025 • 0 new comments

• multiview_calibration.py fails when --intrinsics contains empty entries (cv2.FileStorage("") error)

  #27650 commented on Aug 11, 2025 • 0 new comments

• After setting the decoder to hevc_cuvid, VideoCapture reads video more slowly

  #21969 commented on Aug 11, 2025 • 0 new comments

• opencv_perf_video meet implicit declaration of function 'sub_group_reduce_add' is invalid in OpenCL error

  #27507 commented on Aug 11, 2025 • 0 new comments

• LLM integration prototype

  #27176 commented on Aug 10, 2025 • 0 new comments