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Description:: OpenCV (Open Source Computer Vision) is a library of programming functions mainly aimed at real time computer vision. Example applications of the OpenCV library are Human-Computer Interaction (HCI); Object Identification, Segmentation and Recognition; Face Recognition; Gesture Recognition; Motion Tracking, Ego Motion, Motion Understanding; Structure From Motion (SFM); and Mobile Robotics.
Homepage:: https://opencv.org

Versions

Version	EAPI	Keywords	Slot
4.13.0	8	amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86	0/4.13.0

Metadata

Description

OpenCV (Open Source Computer Vision) is a library of programming functions mainly aimed at real time computer vision. Example applications of the OpenCV library are Human-Computer Interaction (HCI); Object Identification, Segmentation and Recognition; Face Recognition; Gesture Recognition; Motion Tracking, Ego Motion, Motion Understanding; Structure From Motion (SFM); and Mobile Robotics.

Maintainers

Paul Zander (negril.nx+gentoo@gmail.com) - Type: person
Proxy Maintainers (proxy-maint@gentoo.org) - Type: project

Upstream

Changelog: https://github.com/opencv/opencv/wiki/ChangeLog
Remote IDs:
- cpe: cpe:/a:opencv:opencv
- github: opencv/opencv
- github: opencv/opencv_contrib
- github: opencv/opencv_3rdparty
- sourceforge: opencvlibrary

Raw Metadata XML

<pkgmetadata>
	<maintainer type="person" proxied="yes">
		<email>negril.nx+gentoo@gmail.com</email>
		<name>Paul Zander</name>
	</maintainer>
	<maintainer type="project" proxied="proxy">
		<email>proxy-maint@gentoo.org</email>
		<name>Proxy Maintainers</name>
	</maintainer>
	<longdescription>
	OpenCV (Open Source Computer Vision) is a library of programming functions mainly aimed at real time computer vision.
	Example applications of the OpenCV library are Human-Computer Interaction (HCI); Object Identification, Segmentation and Recognition;
	Face Recognition; Gesture Recognition; Motion Tracking, Ego Motion, Motion Understanding; Structure From Motion (SFM); and Mobile Robotics.
	</longdescription>
	<use>
		<flag name="atlas">Use <pkg>sci-libs/atlas</pkg> for blas, lapack and sparse blas routines (Experimental!)</flag>
		<flag name="contrib">Install user contributed scripts from opencv_contrib (Experimental!)</flag>
		<flag name="contribcvv">Enable CVV in contrib</flag>
		<flag name="contribdnn" restrict="&gt;media-libs/opencv-4.11">Enable DNN module contrib (requires tinydnn)</flag>
		<flag name="contribdnn" restrict="&lt;media-libs/opencv-4.11">Enable DNN module</flag>
		<flag name="contribfreetype">Enable Drawing UTF-8 strings with <pkg>media-libs/freetype</pkg>&amp;<pkg>media-libs/harfbuzz</pkg></flag>
		<flag name="contribhdf">Enable HDF module (requires <pkg>sci-libs/hdf5</pkg>)</flag>
		<flag name="contribovis">Enable OGRE vision module support (<pkg>dev-games/ogre</pkg>)</flag>
		<flag name="contribsfm">Enable SFM module (requires USE="eigen gflags glog")</flag>
		<flag name="contribxfeatures2d" restrict="&gt;media-libs/opencv-4.8.1-r1">Enable xfeatures2d in contrib</flag>
		<flag name="contribxfeatures2d" restrict="&lt;=media-libs/opencv-4.8.1">Enables xfeatures2d and autodownload of samples in contrib</flag>
		<flag name="cuda">Enable NVIDIA Cuda computations support (Experimental!)</flag>
		<flag name="cudnn">Enable support for nVidia cuDNN library</flag>
		<flag name="dnnsamples">Enable dnn caffeemodel samples</flag>
		<flag name="eigen">Enable usage of <pkg>dev-cpp/eigen</pkg> for computations</flag>
		<flag name="features2d">Enable features2d module</flag>
		<flag name="gdal">Enable support for <pkg>sci-libs/gdal</pkg> library</flag>
		<flag name="gflags">Use Google's C++ argument parsing library (<pkg>dev-cpp/gflags</pkg>)</flag>
		<flag name="glog">Use Google's C++ logging library (<pkg>dev-cpp/glog</pkg>)</flag>
		<flag name="gtk3">Enable <pkg>x11-libs/gtk+</pkg>:3 support</flag>
		<flag name="jasper">Use <pkg>media-libs/jasper</pkg> for jpeg2k support</flag>
		<flag name="mkl">Use <pkg>sci-libs/mkl</pkg> for blas, lapack and sparse blas routines</flag>
		<flag name="non-free">Enable non-free components</flag>
		<flag name="opencvapps">Enable compilation with opencvapps</flag>
		<flag name="openni">Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI</pkg></flag>
		<flag name="openni2">Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI2</pkg> (should be preferred over openni)</flag>
		<flag name="quirc">Enable qrcode decoding via <pkg>media-libs/quirc</pkg></flag>
		<flag name="spng">Use <pkg>media-libs/libspng</pkg> for png support</flag>
		<flag name="tbb">Enable multithreading with the Intel Threads Building Block (<pkg>dev-cpp/tbb</pkg>)</flag>
		<flag name="tesseract">Use Google's OCR Engine</flag>
		<flag name="testprograms">Build and install programs for testing OpenCV (performance)</flag>
		<flag name="truetype">Enable <pkg>media-libs/freetype</pkg> support for gapi module</flag>
		<flag name="video_cards_intel">Enable Video Acceleration API for hardware decoding for Intel cards</flag>
		<flag name="vtk">Build new 3D visualization module viz based on <pkg>sci-libs/vtk</pkg></flag>
		<flag name="vulkan">Enable experimental Vulkan backend</flag>
		<flag name="wechat-qrcode">Enable wechat_qrcode module</flag>
	</use>
	<upstream>
		<changelog>https://github.com/opencv/opencv/wiki/ChangeLog</changelog>
		<doc>https://docs.opencv.org</doc>
		<remote-id type="cpe">cpe:/a:opencv:opencv</remote-id>
		<remote-id type="github">opencv/opencv</remote-id>
		<remote-id type="github">opencv/opencv_contrib</remote-id>
		<remote-id type="github">opencv/opencv_3rdparty</remote-id>
		<remote-id type="sourceforge">opencvlibrary</remote-id>
	</upstream>
</pkgmetadata>

Lint Warnings

[Warning] Ebuild 4.13.0 uses IUSE flag 'java' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'python' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'examples' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'opencl' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'ffmpeg' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'gphoto2' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'gstreamer' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'ieee1394' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'xine' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'vaapi' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'v4l' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'avif' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'gif' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'jpeg' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'jpeg2k' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'openexr' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'png' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'tiff' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'webp' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'qt6' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'opengl' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'wayland' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'openmp' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag 'lapack' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Ebuild 4.13.0 uses IUSE flag '${CPU_FEATURES_MAP[*]%:*}' which is not documented in metadata.xml. Add the flag to metadata.xml <use> section.
[Warning] Missing md5-cache for version 4.13.0. Run 'ebuild <ebuild_file> manifest' or 'egencache' to generate it.

USE Flags

Flag	Description	4.13.0
${CPU_FEATURES_MAP[]%:}	⚠️	✓
atlas	Use <pkg>sci-libs/atlas</pkg> for blas, lapack and sparse blas routines (Experimental!)	✓
avif	⚠️	✓
contrib	Install user contributed scripts from opencv_contrib (Experimental!)	✓
contribcvv	Enable CVV in contrib	✓
contribdnn	Enable DNN module contrib (requires tinydnn)	✓
contribfreetype	Enable Drawing UTF-8 strings with <pkg>media-libs/freetype</pkg>&<pkg>media-libs/harfbuzz</pkg>	✓
contribhdf	Enable HDF module (requires <pkg>sci-libs/hdf5</pkg>)	✓
contribovis	Enable OGRE vision module support (<pkg>dev-games/ogre</pkg>)	✓
contribsfm	Enable SFM module (requires USE="eigen gflags glog")	✓
contribxfeatures2d	Enable xfeatures2d in contrib	✓
cuda	Enable NVIDIA Cuda computations support (Experimental!)	✓
cudnn	Enable support for nVidia cuDNN library	✓
debug	Build with upstream's CXXFLAGS/LDFLAGS for debugging support; not recommended for normal use. ⚠️	✓
doc	Create description of the eix cache file additionally in html format ⚠️	✓
eigen	Enable usage of <pkg>dev-cpp/eigen</pkg> for computations	⊕
examples	Install acpiexamples binary ⚠️	✓
features2d	Enable features2d module	✓
ffmpeg	Enable <pkg>media-video/ffmpeg</pkg> backend support ⚠️	⊕
gdal	Enable support for <pkg>sci-libs/gdal</pkg> library	✓
gflags	Use Google's C++ argument parsing library (<pkg>dev-cpp/gflags</pkg>)	✓
gif	⚠️	✓
glog	Use Google's C++ logging library (<pkg>dev-cpp/glog</pkg>)	✓
gphoto2	⚠️	✓
gstreamer	Enable the wxMediaCtrl class for playing audio and video through gstreamer. ⚠️	✓
gtk3	Enable <pkg>x11-libs/gtk+</pkg>:3 support	✓
ieee1394	⚠️	✓
jasper	Use <pkg>media-libs/jasper</pkg> for jpeg2k support	✓
java	⚠️	✓
jpeg	Enable jpeg image support for the VNC console server ⚠️	✓
jpeg2k	⚠️	✓
lapack	⚠️	✓
mkl	Use <pkg>sci-libs/mkl</pkg> for blas, lapack and sparse blas routines	✓
non-free	Enable non-free components	✓
opencl	⚠️	✓
opencvapps	Enable compilation with opencvapps	✓
openexr	⚠️	✓
opengl	Add test support for OpenGL ⚠️	✓
openmp	Add test support for the OpenMP (support parallel computing) ⚠️	✓
openni	Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI</pkg>	✓
openni2	Adds support for Kinect-like 3D sensors devices with <pkg>dev-libs/OpenNI2</pkg> (should be preferred over openni)	✓
png	Enable png image support for the VNC console server ⚠️	✓
python	⚠️	✓
qt6	Build with Qt6 support ⚠️	✓
quirc	Enable qrcode decoding via <pkg>media-libs/quirc</pkg>	✓
spng	Use <pkg>media-libs/libspng</pkg> for png support	✓
tbb	Enable multithreading with the Intel Threads Building Block (<pkg>dev-cpp/tbb</pkg>)	✓
tesseract	Use Google's OCR Engine	✓
test	Perform tests (slow!) and install compressed test results ⚠️	✓
testprograms	Build and install programs for testing OpenCV (performance)	✓
tiff	⚠️	✓
truetype	Enable <pkg>media-libs/freetype</pkg> support for gapi module	✓
v4l	⚠️	✓
vaapi	⚠️	✓
video_cards_intel	Enable Video Acceleration API for hardware decoding for Intel cards	✓
vtk	Build new 3D visualization module viz based on <pkg>sci-libs/vtk</pkg>	✓
vulkan	Enable experimental Vulkan backend	✓
wayland	⚠️	✓
webp	Enable high-quality YCbCr/RGB color space conversion algorithms ⚠️	✓
wechat-qrcode	Enable wechat_qrcode module	✓
xine	⚠️	✓

Files

fix-cuda-flags.patch
fix-cudacodec-dependencies.patch
opencv-3.4.1-cuda-add-relaxed-constexpr.patch
opencv-4.1.2-opencl-license.patch
opencv-4.10.0-cmake4.patch
opencv-4.10.0-dnn-explicitly-include-abseil-cpp.patch
opencv-4.10.0-tbb-detection.patch
opencv-4.11.0-ade-0.1.2e.tar.gz.patch
opencv-4.11.0-cmake-CMP0175.patch
opencv-4.11.0-cmake-CMP0177.patch
opencv-4.11.0-cuda-12.9.patch
opencv-4.11.0-fix-libspng-link.patch
opencv-4.12.0-cmake-4.patch
opencv-4.12.0-cuda-13.0.patch
opencv-4.12.0-link-with-cblas-for-lapack.patch
opencv-4.4.0-disable-native-cpuflag-detect.patch
opencv-4.5.0-link-with-cblas-for-lapack.patch
opencv-4.8.1-use-system-opencl.patch
opencv-4.9.0-drop-python2-detection.patch
opencv_contrib-4.8.1-NVIDIAOpticalFlowSDK-2.0.tar.gz.patch
opencv_contrib-4.8.1-rgbd.patch

Manifest

Type	File	Size	Versions
DIST	NVIDIAOpticalFlowSDK-edb50da3cf849840d680249aa6dbef248ebce2ca.tar.gz	8771 bytes	4.13.0
DIST	ade-0.1.2e.tar.gz	117054 bytes	4.13.0
DIST	opencv-4.13.0.tar.gz	95420275 bytes	4.13.0
DIST	opencv_3rdparty-34e4206aef44d50e6bbcd0ab06354b52e7466d26.tar.gz	397901 bytes	4.13.0
DIST	opencv_3rdparty-8afa57abc8229d611c4937165d20e2a2d9fc5a12.tar.gz	63301261 bytes	4.13.0
DIST	opencv_3rdparty-a8b69ccc738421293254aec5ddb38bd523503252.tar.gz	920403 bytes	4.13.0
DIST	opencv_3rdparty-b2bfc75f6aea5b1f834ff0f0b865a7c18ff1459f.tar.gz	10036903 bytes	4.13.0
DIST	opencv_3rdparty-fccf7cd6a4b12079f73bbfb21745f9babcd4eb1d.tar.gz	1470898 bytes	4.13.0
DIST	opencv_contrib-4.10.0-3607.patch	29870 bytes	4.13.0
DIST	opencv_contrib-4.13.0.tar.gz	55516112 bytes	4.13.0
DIST	opencv_extra-4.13.0.tar.gz	505880530 bytes	4.13.0
DIST	yunet-202303.onnx	232589 bytes	4.13.0

Unmatched Entries

Type	File	Size

media-libs/opencv (pg_overlay)

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