7 Pull requests merged by 5 people

• 5.x merge 4.x

  #27566 merged Jul 24, 2025

• Fixed build issue with some old GCC versions

  #27569 merged Jul 24, 2025

• [GSOC 2025] PNG&WebP Metadata Reading Writing Improvements

  #27503 merged Jul 23, 2025

• G-API: Implement cfgEnsureNamedTensors option to OpenVINO Params

  #27549 merged Jul 22, 2025

• Add enum IMWRITE_PNG_ZLIBBUFFER_SIZE

  #27551 merged Jul 18, 2025

• fix compilation problems with MSVC+Cuda 12.9

  #27522 merged Jul 18, 2025

• Add Raspberry Pi 4 and 5 V4L2 Stateless HEVC Hardware Acceleration with FFmpeg

  #27453 merged Jul 18, 2025

11 Pull requests opened by 8 people

• imgcodecs: bmp: support 32bpp BMP with IMREAD_UNCHANGED

  #27559 opened Jul 18, 2025

• Added fully functional convTranspose layer to new DNN engine

  #27560 opened Jul 19, 2025

• Optional Foreground Mask Feature for Background Subtractors

  #27561 opened Jul 20, 2025

• fix: mark distCoeffs/R/D as optional Python type stubs for calib3d functions

  #27564 opened Jul 21, 2025

• Enable Java wrapper generation for Vec4i

  #27567 opened Jul 21, 2025

• clip13

  #27570 opened Jul 21, 2025

• Use calibration board imperfectness correction only for the cases where it's applicable

  #27571 opened Jul 23, 2025

• CV_Bool support for masks in 3d module.

  #27573 opened Jul 24, 2025

• More intrinsic calibration flags in integractive calibration tool

  #27574 opened Jul 24, 2025

• core: add ARM64 NEON support for cvRound in fast_math.hpp

  #27575 opened Jul 24, 2025

• WIP: Reworks pre-computed intrinsiscs support in multi-view calibration script

  #27576 opened Jul 24, 2025

4 Issues closed by 5 people

• private.cuda.hpp:59:12: fatal error: cuda.h: No such file or directory

  #27565 closed Jul 21, 2025

• net.forward() crashes with RTX 5060

  #27552 closed Jul 18, 2025

• Compilation failure with CUDA 12.9

  #27521 closed Jul 18, 2025

• OpenCV does not support protobuf 3.x

  #23791 closed Jul 18, 2025

6 Issues opened by 6 people

• 最新版本4.12.x中，clone似乎成了浅拷贝，我不得不使用copyTo

  #27572 opened Jul 24, 2025

• Opencv-python's connectedComponentsWithStats method segfaults

  #27568 opened Jul 21, 2025

• calib3d functions missing `| None` on `distCoeffs` in Python type stubs

  #27563 opened Jul 21, 2025

• std::stringview usage on imread/write

  #27562 opened Jul 20, 2025

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

  #27557 opened Jul 18, 2025

• Incorrect floating point edge case handling in cv::Mat::convertTo() and cv::saturate_cast() due to cvRound()

  #27556 opened Jul 18, 2025

25 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.

• [GSOC] ImageCollection Class improvements

  #27496 commented on Jul 24, 2025 • 11 new comments

• WIP: Chromatic aberration correction

  #27491 commented on Jul 18, 2025 • 8 new comments

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

  #27460 commented on Jul 21, 2025 • 5 new comments

• [WIP] GSoC 2025: Add Tokenizer Support to DNN Module

  #27534 commented on Jul 22, 2025 • 4 new comments

• Feat #25150: Pose Graph MST initialization

  #27423 commented on Jul 21, 2025 • 3 new comments

• modules/videoio: add libcamera backend for OpenCV VideoCapture

  #27554 commented on Jul 23, 2025 • 1 new comment

• Use input rotation and translation in camera calibration

  #20219 commented on Jul 24, 2025 • 1 new comment

• hal/riscv-rvv: implement FAST keypoint detection

  #27391 commented on Jul 23, 2025 • 1 new comment

• Added TopK layer with dynamic K support for new DNN engine

  #27547 commented on Jul 22, 2025 • 0 new comments

• Extend findTransformECC and computeECC to support multichannel input (1 or 3 channels)

  #27524 commented on Jul 21, 2025 • 0 new comments

• WIP: Lateral chromatic aberration calibration

  #27490 commented on Jul 17, 2025 • 0 new comments

• [GSOC 2025] Imgcodecs Metadata Support

  #27488 commented on Jul 23, 2025 • 0 new comments

• feat: G-API: Custom stream sources in Python (#27276)

  #27443 commented on Jul 22, 2025 • 0 new comments

• Bilateral filter performance improvement

  #27433 commented on Jul 23, 2025 • 0 new comments

• implementation closer to TIFF-spec, less boilerplate-code

  #27412 commented on Jul 24, 2025 • 0 new comments

• imgproc: add minEnclosingConvexPolygon

  #27369 commented on Jul 24, 2025 • 0 new comments

• medianBlur() gives (-215:Assertion failed) when ksize > 256

  #26407 commented on Jul 24, 2025 • 0 new comments

• opencv 4.12.0 error (Android Library)

  #27553 commented on Jul 24, 2025 • 0 new comments

• Your platform doesn't suppport hardware accelerated AV1 decoding. Failed to get pixel format.

  #24430 commented on Jul 24, 2025 • 0 new comments

• 4.10.0 - visionOS compile errors with VideoIO

  #26450 commented on Jul 24, 2025 • 0 new comments

• videoio and core module test fails on Windows 11 but passes on Windows 10

  #27438 commented on Jul 22, 2025 • 0 new comments

• imread with IMREAD_UNCHANGED : 32Bit Bmp will not read alpha channel, 3 channel image returned

  #27555 commented on Jul 21, 2025 • 0 new comments

• Severl Size_MatType_OutMatDepth_integral_sqsum/* cases from imgproc perf fail on SpacemiT K1

  #27407 commented on Jul 21, 2025 • 0 new comments

• Support optional foreground input mask to cv::BackgroundSubtractor::apply

  #26476 commented on Jul 21, 2025 • 0 new comments

• Memory leak in cv::subtract (4.11.0)

  #27171 commented on Jul 17, 2025 • 0 new comments