0.43.0

• all
  • update to OpenCV 4.13
• core
  • add Copy method to Mat (#1346)
  • improve implementation for NewPointVectorFromPoints
• cuda
  • add implmentations for more arith functions
• imgproc
  • added in missing colormaps
  • paramters types in improc dilate and erode functions
  • use same test values as OpenCV tests for TestMinAreaRect and TestMinAreaRect2f
• videoio
  • add RetrieveChannel function to make it possible to capture both video and audio
• examples
  • Fix bugs and memory leaks in yolov8 example (#1349)
• contrib
  • add support for Macbeth Chart module (MCC) (#1336)
• install
  • windows: split download and build scripts for easier usage/integration

0.42.0

• all
  • Update to OpenCV 4.12.0
  • Expose GpuMat's underlying object pointer
  • Add support for reduced size OpenCV builds using build tags for specific modules (cuda, contrib, etc.)

• cuda
  • Add LShift and RShift function implementations
  • Add Compare function implementation
  • Add implementations for Norm, CalcNorm, and CalcNormDiff functions
  • Add Cuda Morphology Filter (#1311)
• core
  • Add ReshapeWithSize() to provide specific control over the reshape operation
  • Add MeanStdDevWithMask for cv::meanStdDev with the optional mask
• video
  • Add video tracker implementation using Vit DNN
  • Add cv::stereoRectify binding
• docker
  • Update OpenCV containers to 4.12.0
• docs
  • Update ROADMAP links and add missing tracker functions
  • Update README with new features and usage
• build
  • Use build tags for reduced size OpenCV builds with specific modules
• bugfix
  • Fix bug where the package name was mismatched with contrib (#1293)

0.41.0

• all
  • opencv: patch for gstreamer cmake to handle static linking

• bugfix
  • correct ifndef for wrappers to avoid include conflcts
  • temporary fix for docker/setup-qemu-action#198
• core
  • add exception handling functions and try/catch blocks
  • return error from calls to OpenCV functions that cause exceptions. The error shows the OpenCV exception description from the exception caught.
• features2d
  • Add BRISK with params support (#1280)
  • Params for features2d (#1283)
• photo
  • add Decolor() function
• video
  • ApplyWithParams for MOG2 bg subtractor (#1284)
• build
  • add manually launched workflows to build ffmpeg, gstreamer, and opencv docker images
  • add Dockerfile.opencv-ubuntu-24.04 for Ubuntu 24.04 support
  • add opencv-ubuntu-24-04 step for build img workflow
• docker
  • add static image with opencv and ffmpeg without gstreamer
  • gstreamer with a specific set of plugins
  • use OpenCV patch to build fully static GStreamer with plugins included
• docs
  • update ROADMAP for some functions that were completed already
  • Update wrong links in Readme for face detection from URL and find chessboard
• make
  • add install task for Ubuntu Manic Minotaur using @chewxy PR #1157
  • update make tasks for jetson based on latest available info
  • Update Makefile (#1276)

0.40.0

• all
  • Add support for OpenCV 4.11.0
  • Update license year to 2025

• bugfix
  • Correct signature for FindHomography, since dst is actually target format for the operation, not something changed by the operation
• core
  • Added new Mat constructor and tests
  • Added NewMatFromPoint2fVector function
• videoio
  • Change type of VideoCaptureProperties to int32
  • Added VideoWriterFile with API and API Params
• docker
  • Alpine static improved (#1243)
• make
  • Improve Linux distro dtection code, and add specific dependendcies for Ubunutu 24.04
• examples
  • GStreamer VideoWriter example
• build
  • Update homebrew when running macOS tests
  • Update GH actions in linux build to latest versions

0.39.0

• bugfix
  • Fixed MinGW link typo in README.md.
  • Fixed function name typo (#1236).
• core
  • Added FaceDetectorYN example.
  • Query I/O API backends registry (#1237).
  • Face detector YN face recognizer SF (#1232).
• cuda
  • Added createLookUpTable and split functions.
  • Added missing CUDA imgproc standalone functions.
  • Added XXXWithStream standalone functions.
• docker
  • Added Dockerfile for container that can perform static builds of your own GoCV project (HighGUI not supported by static builds).
  • Added Dockerfile example showing how to build using static linking.
  • Added static build examples.
  • Updated version for gocv-static-builder image.
• build
  • Updated workflow for Docker builds to latest versions.
  • Used most recent NVIDIA CUDA base image.
  • Used static FFmpeg build for static OpenCV build.
  • Downgraded static build to Go 1.22 to avoid Go issue #68976.
  • Modified Dockerfile used for static builds to build own versions for static linking.
  • Corrected build options for OpenCV on arm64 for static builds.
  • Separated build tags and linker flags for arm64 and amd64 targets.
  • Modified LDFLAGS for correct static compilation.
  • Removed extra file to clear space for static build/standard dev build images.
  • Added options for Linux arm64 and separate Darwin builds.
• cgo
  • Changed tags for static OpenCV to opencvstatic.
  • Added options for Linux arm64 and separate Darwin builds.
  • Removed unneeded lib from link for Linux/arm64.
  • Modified LDFLAGS for correct static compilation.
• docs
  • Added missing videoio functions to ROADMAP.
  • Updated ROADMAP with missing objdetect functions for DNN faces, and moved aruco under objdetect module.
  • Simplified the YOLO example.

0.38.0

• bugfix
  • aruco: correct test from latest OpenCV update
  • exclude freetype.cpp file from being included in windows build
  • feat(demosaicing): release mat when conversion to bayer encounters invalid pattern
  • imgproc HomographyMethod const values typo fixed
• build
  • add macOS build for GH actions CI
  • adjust make and docker build files to build freetype support
  • correct ONNX DNN tests on Linux/macOS
  • move download for GOTURN models into testdata subdirectory
  • remove Caffe tests
  • run DNN tests on Windows
  • make: add task to run all cuda tests
  • make: build non-free modules when building opencv with cuda support
  • skip tests on macOS that are not passing due to OpenCV different results on macOS. See https://forum.opencv.org/t/match-template-different-results-on-mac-m1/10026 and other similar issues.
  • update all generated docker images to Go 1.23.1
• examples
  • add asciicam video to ascii in your terminal
  • add object detection example using YOLOv8
• core
  • add Closed() function to Mat
  • add OpenCV types for half-float values
  • add TransposeND() function
  • persistance implement Filestorage roadmap (#1208)
  • RotatedRect type constructors
• dnn
  • add BlobFromImageWithParams() and BlobFromImagesWithParams() functions
  • add BlobRectToImageRect() and BlobRectsToImageRects() functions
  • allow ReadNet() function to only pass model file, and remove tests for Caffe
• features2d
  • SIFT with params (#1186)
• highgui
  • added window pollkey function (#1198)
  • added window WaitKeyEx support (#1195)
  • Window set mouse callback (#1220)
• imgcodecs
  • added immultiread support
• imgproc
  • feat(imgproc): demosaicing wrapper
  • add HomographyMethodRHO HomographyMethod added
• objdetect
  • change QRCodeDetector signature to avoid pointer to slice
• video
  • added TrackerGOTURN (see roadmap)
• videoio
  • Capture from device and file with HW acceleration
• cuda
  • add Closed() function to Mat/GpuMat
  • add DeviceSupports function
  • add implementations for AddWeighted and CopyMakeBorder functions
  • add Merge and Transpose functions
  • add support for convertFp16 function
  • add tests for demosaicing
  • feat(imgproc): demosaicing wrapper
  • correct go fmt error
• contrib/face
  • added face recognizer interface (#1211)
  • BasicFaceRecognizer + EigenFaceRecognizer + FisherFaceRecognizer (#1213)
  • extra setters and getters for LBPHFaceRecognizer (#1194)
• contrib/freetype
  • imported freetype code by lz1998 from PR 873

0.37.0

• all
  • Add support for OpenCV 4.10.0

0.36.1

• bugfix
  • Correct error in CUDA function signature
• test
  • correct CUDA tests
• docker
  • add test image for CUDA 12

0.36.0

• all
  • Add support for OpenCV 4.9.0
  • update Go to version 1.22
  • update minimum go version to 1.21
• bugfix
  • aruco: correct test from latest OpenCV update
• build
  • add GH action for Windows
  • remove appveyor
  • adjusted Makefile to build for debian bookworm
• core
  • Add additional signature for MinMaxLoc.
  • add color conversion alias
  • add Mahalanobis(), Inv(), Row(), amd Col() functions
  • add MulTransposed() function
  • add PCABackProject() and PCAProject() functions
  • add PSNR() function
  • add SVBackSubst() and SVDecomp() functions
• calib3d
  • add FisheyeCalibrate, FisheyeDistortPoints, and CheckChessboard functions
  • Add func comments and update readme
  • add Rodrigues function
  • add SolvePnP function
  • Add more smoke tests
  • Initial commit of more stereo bindings
• feature2d
  • Add interface for Feature2D algorithms
  • Asserting some algorithms conform to Feature2D
  • Prepend "Feature2D" prefix to component interfaces of Feature2D
• imgproc
  • add CreateHanningWindow()
  • add EMD()
  • Add float version of BoxPoints and MinAreaRect
  • Add new binding for cv::Erode.
• videoio
  • add Retrieve function
• contrib/xfeatures2d
  • Add BriefDescriptorExtractor to xfeatures2d (#1114)
  • add NewSURFWithParams func
  • Add separate "Compute" bindings for detection algorithms (#1117)
• cuda/core
  • ADD Cuda MultiplyWithStream (#1142)

0.35.0

• all
  • Add support for OpenCV 4.8.1
  • correct Go formatting
• features2d
  • Add Match method for BFMatcher
• build
  • remove extra files from GH actions runner so GPU images builds have enough temp file space to run correctly
• make
  • for build_raspi added conditional cmake build for 64 and 32bit platforms
  • remove ENABLE_VFPV3=ON and add WITH_TBB=ON from 64bit build.
  • added sudo_pre_install_clean to raspberry pi and jetson installs
  • change sudo_pre_install_clean to support cleanup on 64bit architechtures (arm and x86)