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opencv

4 indexed repositories · View on GitHub

opencv
Open Source Computer Vision Library

C++ · 90890 stars
opencv_contrib
Repository for OpenCV's extra modules

C++ · 10199 stars
opencv-python
Automated CI toolchain to produce precompiled opencv-python, opencv-python-headless, opencv-contrib-python and opencv-contrib-python-head...

Python · 5398 stars
ci-gha-workflow
GitHub Actions workflows for OpenCV project

Python · 24 stars

Beginner friendly Everything

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Minor change to the documentation of cv.add() in Python Tutorial Open

bug category: python bindings

Difficulty 1/5 1-3 hours Newbie friendliness 90/100

opencv/opencv#29870 · 7 comments · Opened Sep 4, 2026
EdgeDrawing::ValidateCircles() reads an uninitialised ellipse point for odd perimeters Open

Difficulty 2/5 1-3 hours Newbie friendliness 88/100

opencv/opencv_contrib#4207 · Opened Sep 2, 2026
EdgeDrawing::detectEllipses() modifies the caller's input image when Params::Sigma < 1.0 Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

opencv/opencv_contrib#4203 · Opened Sep 2, 2026
OpenCV.Js link is broken Open

category: documentation

Difficulty 1/5 Under an hour Newbie friendliness 84/100

opencv/opencv#29818 · 1 comment · Opened Aug 28, 2026
cv::dilate asserts on input mask of type CV_Bool Open

category: imgproc feature

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

opencv/opencv#29798 · Opened Aug 25, 2026
CI: PR-5.x workflow fails for all PRs - references deleted geometry_module branch Open

Difficulty 1/5 Under an hour Newbie friendliness 88/100

opencv/opencv_contrib#4191 · Opened Aug 13, 2026
Breaking changes in mcc modules API not documented in OpenCV 5.0 migration guide Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

opencv/opencv#29705 · 2 comments · Opened Aug 13, 2026
Incorrect documentation for WeChatQRCode module Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

opencv/opencv_contrib#4186 · Opened Aug 3, 2026
xfeatures2d: matchLOGOS crashes with out-of-bounds iterator access when fewer than N candidate points exist Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

opencv/opencv_contrib#4174 · 1 comment · Opened Jul 11, 2026
Build failure on Solaris 11.4: ambiguous conversion from fixedpoint64 to signed char in resize.cpp Open

category: build/install category: imgproc platform: other

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

opencv/opencv#29043 · Opened May 17, 2026
PCA.project() generates errors when used with UMat and OpenCL Open

bug category: core incomplete

Difficulty 1/5 Under an hour Newbie friendliness 84/100

opencv/opencv#29007 · 5 comments · Opened May 12, 2026
CVE-2026-40962 in ffmpeg 8.0.1 Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

opencv/opencv#28960 · 3 comments · 7 reactions · Opened May 7, 2026
[DOC] README file Open

Difficulty 1/5 Under an hour Newbie friendliness 85/100

opencv/opencv-python#1217 · 3 comments · Opened Apr 19, 2026
cuda module warnings Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

opencv/opencv_contrib#4082 · 1 comment · Opened Feb 18, 2026
Dependency specification missing for python3.14 Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

opencv/opencv-python#1165 · 2 comments · 1 reaction · Opened Dec 14, 2025
`initInverseRectificationMap`'s documentation confuses `newCameraMatrix` with `cameraMatrix`. Open

bug category: documentation

Difficulty 1/5 1-3 hours Newbie friendliness 82/100

opencv/opencv#22262 · 3 comments · Opened Jul 18, 2022
warpAffine/warpPerspective don't do a proper INTER_AREA Open

category: imgproc RFC

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

opencv/opencv#21060 · 6 comments · 5 reactions · Opened Nov 15, 2021
CMake does not correctly find ilmbase. Open

affected: 2.4 auto-transferred bug category: build/install priority: low

Difficulty 2/5 1-3 hours Newbie friendliness 62/100

opencv/opencv#4669 · Opened Jul 27, 2015

opencv

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