opencv/opencv-python

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Automated CI toolchain to produce precompiled opencv-python, opencv-python-headless, opencv-contrib-python and opencv-contrib-python-headless packages.

Stars: 5.4k
Forks: 1k
Open beginner issues: 0
Indexed issues: 183
Avg merge: 22h 17m
Merged PRs (30d): 3

Dominant language: Python
License: MIT
Last GitHub push: Sep 4, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted

Beginner friendly Everything

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183 open issues indexed

Release binaries upload is broken Open

opencv/opencv-python#1125 · 2 reactions · 1 assignee · Opened Jul 8, 2025
Rolling builds are broken Open

opencv/opencv-python#1124 · 1 reaction · 1 assignee · Opened Jul 8, 2025
FFmpeg OSS vulnerability CVE-2023-6605 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1118 · 12 comments · Opened Jul 3, 2025
Switch to trusted publishing for package upload to PyPI in CI Open

opencv/opencv-python#1110 · 1 assignee · Opened Jun 16, 2025
Security Risk: av-4.11.0.86 includes vulnerable libgfortran version (CVE-2014-5044) Open

opencv/opencv-python#1101 · 1 comment · 1 assignee · Opened May 17, 2025
Musllinux wheels Open

opencv/opencv-python#1099 · 3 reactions · 1 assignee · Opened May 13, 2025
Can not build the project in W11 on ARM64 Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opencv/opencv-python#1092 · 5 comments · 3 reactions · Opened Mar 18, 2025
Build on windows CMAKE_ARGS using generator with spaces doesn't work Open

opencv/opencv-python#1086 · 1 assignee · Opened Feb 21, 2025
cv2.sfm missing? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1083 · Opened Feb 14, 2025
Feasability to build myself for old macOS versions like 10.14 Open

question

Difficulty 5/5 Over a week Newbie friendliness 15/100

opencv/opencv-python#1080 · 1 comment · Opened Jan 31, 2025
Naming Convention Violations in OpenCV Python Bindings Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opencv/opencv-python#1079 · 1 comment · 1 reaction · Opened Jan 23, 2025
AviSynth 3 Script files (.AVS) not supported (ffmpeg library not included) Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1070 · Opened Jan 4, 2025
Build problem with setuptools 75.6.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

opencv/opencv-python#1069 · 2 comments · Opened Jan 3, 2025
ArucoDetector detectMarkers Memory leak and severe slowdown in recent versions Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

opencv/opencv-python#1067 · 2 comments · Opened Dec 30, 2024
Solution for Building OpenCV on Termux by Disabling Android SDK and Java Support in CMake Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

opencv/opencv-python#1063 · 4 comments · Opened Dec 17, 2024
Errors using large scale images Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1060 · 1 comment · Opened Dec 8, 2024
np.rot90() and cv2.line() doesn't seem to work together Open

question

opencv/opencv-python#1057 · 2 comments · 1 assignee · Opened Dec 6, 2024
cv2.imread（）读取的图文维度存在随机性 Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

opencv/opencv-python#1049 · Opened Nov 25, 2024
'cap = cv2.VideoCapture(trmp_url)' The loop prints an error Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1048 · 3 comments · Opened Nov 21, 2024
cv.VideoCapture can't load video properly Open

incomplete

Difficulty 4/5 3-5 days Newbie friendliness 18/100

opencv/opencv-python#1046 · 5 comments · Opened Nov 14, 2024
cv2.__version__ does not print the full version Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

opencv/opencv-python#1045 · Opened Nov 13, 2024
Can not decode qrcode in binary Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

opencv/opencv-python#1044 · Opened Nov 8, 2024
Can't install the opencv latest version in nvidia jetson xavier NX Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1043 · 1 comment · Opened Nov 8, 2024
PyTest Coverage Warning When Importing OpenCV Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1041 · 2 reactions · Opened Nov 1, 2024
flann.knnMatch sometimes outputs a queryIdx that throws an out of bounds error Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

opencv/opencv-python#1040 · Opened Oct 22, 2024
[CUDA] opencv cannot decode rtsp video stream Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

opencv/opencv-python#1037 · 3 comments · Opened Oct 11, 2024
Error while using GStream and OpenCV Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1036 · Opened Oct 8, 2024
Weird edge detection behavior when the blurred image border pixel extrapolation method changes Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#1035 · Opened Oct 3, 2024
Real-time color detection in varying light conditions Open

question

Difficulty 5/5 Over a week Newbie friendliness 20/100

opencv/opencv-python#1033 · 1 comment · Opened Sep 24, 2024
Could not find the Qt platform plugin "wayland" Open

Difficulty 4/5 3-5 days Newbie friendliness 15/100

opencv/opencv-python#1032 · 1 comment · Opened Sep 23, 2024
How to convert cv2.Mat() to cv2.UMat() Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opencv/opencv-python#1030 · 4 comments · Opened Sep 19, 2024
[Question] Python 3.13t (free-threaded) compatibility Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

opencv/opencv-python#1029 · 8 comments · 21 reactions · Opened Sep 16, 2024
Cross-compiling for aarch64 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1027 · 2 comments · 1 reaction · Opened Sep 4, 2024
Failed build opencv-python without ffmpeg option in Windows Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

opencv/opencv-python#1023 · 1 reaction · Opened Aug 26, 2024
OpenCV custom Linux built whl doesn't include Qt libraries Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

opencv/opencv-python#1020 · 9 comments · Opened Aug 22, 2024
QRCodeDetector() not working Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

opencv/opencv-python#1016 · 1 comment · Opened Aug 6, 2024
Gstreamer support on windows 10 Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#1013 · 1 comment · Opened Jul 13, 2024
error: OpenCV(4.9.0) D:\a\opencv-python\opencv-python\opencv\modules\dnn\src\layers\convolution_layer.cpp:396: error: (-2:Unspecified error) Number of input channels should be multiple of 3 but got 4 in function 'cv::dnn::ConvolutionLayerImpl::getMemoryShapes' Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

opencv/opencv-python#1011 · 10 comments · Opened Jul 3, 2024
Why Building wheel for opencv-python when using "pip install opencv-python" Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

opencv/opencv-python#1009 · Opened Jun 22, 2024
Typing of compare does not allow scalar for src1 or src2 Open

opencv/opencv-python#1008 · 1 assignee · Opened Jun 22, 2024
imdecode jpeg2000 segfault or deadlock in multithreading Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

opencv/opencv-python#1007 · 6 comments · Opened Jun 20, 2024
AttributeError: module 'numpy' has no attribute 'object'. `np.object` was a deprecated alias for the builtin `object`. To avoid this error in existing code, use `object` by itself. Doing this will not modify any behavior and is safe. Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

opencv/opencv-python#999 · 4 comments · Opened Jun 14, 2024
ModuleNotFoundError: No module named 'distutils' in latest release Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

opencv/opencv-python#993 · 17 comments · 4 reactions · Opened Jun 3, 2024
error: OpenCV(4.8.0) /io/opencv/modules/core/src/copy.cpp:71: error: (-215:Assertion failed) cn <= 4 in function 'scalarToRawData' Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

opencv/opencv-python#989 · 1 comment · Opened May 29, 2024
[Suggestion] Metapackage as solution to current issues with opencv as dependency Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

opencv/opencv-python#987 · 3 comments · 8 reactions · Opened May 22, 2024
Picture overlap error Open

question

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#982 · 2 comments · Opened May 21, 2024
Add option to skip jacobian calculation for cv2.projectPoints() to speed up calculation Open

question

Difficulty 4/5 3-5 days Newbie friendliness 35/100

opencv/opencv-python#981 · 9 comments · Opened May 19, 2024
I have a problem installing opencv python==4.5.3.56 ,I want the same version to be compatible with my project Open

question

Difficulty 4/5 3-5 days Newbie friendliness 20/100

opencv/opencv-python#979 · 2 comments · Opened Apr 28, 2024
ImportError: DLL load failed while importing cv2 Open

incomplete

Difficulty 4/5 3-5 days Newbie friendliness 25/100

opencv/opencv-python#978 · 3 comments · Opened Apr 28, 2024
ImportError: DLL load failed while importing cv2: The specified module could not be found. Open

incomplete

Difficulty 3/5 1-2 days Newbie friendliness 20/100

opencv/opencv-python#976 · 7 comments · Opened Apr 26, 2024

opencv/opencv-python

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