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media-libs/opencv

A collection of algorithms and sample code for various computer vision problems

Screenshots

  • opencv-4.11.0
    ~amd64 ~arm ~arm64 ~loong ~ppc64 ~riscv ~x86
    debug doc +eigen gflags glog java non-free opencvapps python test testprograms contrib contribcvv contribdnn contribfreetype contribhdf contribovis contribsfm contribxfeatures2d dnnsamples examples features2d cuda cudnn opencl video_cards_intel +ffmpeg gphoto2 gstreamer ieee1394 openni openni2 xine vaapi v4l avif gdal gif jasper jpeg jpeg2k openexr png quirc spng tesseract tiff webp gtk3 qt6 opengl truetype vtk vulkan wayland openmp tbb atlas lapack mkl cpu_flags_arm_neon cpu_flags_arm_vfpv3 cpu_flags_arm_asimddp cpu_flags_ppc_vsx cpu_flags_ppc_vsx3 cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_ssse3 cpu_flags_x86_sse4_1 cpu_flags_x86_popcnt cpu_flags_x86_sse4_2 cpu_flags_x86_f16c cpu_flags_x86_fma3 cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_avx512_bitalg cpu_flags_x86_avx512_vbmi2 cpu_flags_x86_avx512_vnni cpu_flags_x86_avx512_vpopcntdq cpu_flags_x86_avx512bw cpu_flags_x86_avx512cd cpu_flags_x86_avx512dq cpu_flags_x86_avx512f cpu_flags_x86_avx512ifma cpu_flags_x86_avx512vbmi cpu_flags_x86_avx512vl cpu_flags_x86_avx512er cpu_flags_x86_avx512pf cpu_flags_x86_avx512_4fmaps cpu_flags_x86_avx512_4vnniw java abi_x86_32 abi_x86_64 abi_x86_x32 abi_mips_n32 abi_mips_n64 abi_mips_o32 abi_s390_32 abi_s390_64 python_targets_python3_11 python_targets_python3_12 python_targets_python3_13 test

    View      Download      Browse     License: Apache-2.0   
    Overlay: gentoo
  • opencv-4.10.0
    amd64 ~arm arm64 ~loong ~ppc ~ppc64 ~riscv x86
    debug doc +eigen gflags glog java non-free opencvapps python test testprograms contrib contribcvv contribdnn contribfreetype contribhdf contribovis contribsfm contribxfeatures2d dnnsamples examples +features2d cuda cudnn opencl video_cards_intel +ffmpeg gstreamer xine vaapi v4l gphoto2 ieee1394 avif gdal jasper jpeg jpeg2k openexr png quirc tesseract tiff webp gtk3 qt6 opengl truetype vtk openmp tbb atlas lapack mkl cpu_flags_arm_neon cpu_flags_arm_vfpv3 cpu_flags_arm_asimddp cpu_flags_ppc_vsx cpu_flags_ppc_vsx3 cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_ssse3 cpu_flags_x86_sse4_1 cpu_flags_x86_popcnt cpu_flags_x86_sse4_2 cpu_flags_x86_f16c cpu_flags_x86_fma3 cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_avx512_bitalg cpu_flags_x86_avx512_vbmi2 cpu_flags_x86_avx512_vnni cpu_flags_x86_avx512_vpopcntdq cpu_flags_x86_avx512bw cpu_flags_x86_avx512cd cpu_flags_x86_avx512dq cpu_flags_x86_avx512f cpu_flags_x86_avx512ifma cpu_flags_x86_avx512vbmi cpu_flags_x86_avx512vl cpu_flags_x86_avx512er cpu_flags_x86_avx512pf cpu_flags_x86_avx512_4fmaps cpu_flags_x86_avx512_4vnniw java abi_x86_32 abi_x86_64 abi_x86_x32 abi_mips_n32 abi_mips_n64 abi_mips_o32 abi_s390_32 abi_s390_64 python_targets_python3_11 python_targets_python3_12 python_targets_python3_13 test

    View      Download      Browse     License: Apache-2.0   
    Overlay: gentoo
  • opencv-4.10.0
    ~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86
    debug doc +eigen gflags glog java non-free opencvapps +python test testprograms contrib contribcvv contribdnn contribfreetype contribhdf contribovis contribsfm contribxfeatures2d dnnsamples examples +features2d opencl cuda cudnn video_cards_intel +ffmpeg gstreamer xine vaapi v4l gphoto2 ieee1394 avif gdal jasper jpeg jpeg2k openexr png quirc tesseract tiff webp gtk3 qt5 qt6 opengl vtk openmp tbb atlas lapack mkl cpu_flags_arm_neon cpu_flags_arm_vfpv3 cpu_flags_ppc_vsx cpu_flags_ppc_vsx3 cpu_flags_x86_sse cpu_flags_x86_sse2 cpu_flags_x86_sse3 cpu_flags_x86_ssse3 cpu_flags_x86_sse4_1 cpu_flags_x86_popcnt cpu_flags_x86_sse4_2 cpu_flags_x86_f16c cpu_flags_x86_fma3 cpu_flags_x86_avx cpu_flags_x86_avx2 cpu_flags_x86_avx512f java abi_x86_32 abi_x86_64 abi_x86_x32 abi_mips_n32 abi_mips_n64 abi_mips_o32 abi_s390_32 abi_s390_64 python_targets_python3_10 python_targets_python3_11 python_targets_python3_12 python_targets_python3_13 test

    View      Download      Browse     License: Apache-2.0   
    Overlay: mim

USE Flags

debug
Global: Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
doc
Global: Adds extra documentation (API, Javadoc, etc)
+eigen
* This flag is undocumented *
gflags
* This flag is undocumented *
glog
* This flag is undocumented *
java
Global: Adds support for Java
non-free
* This flag is undocumented *
opencvapps
* This flag is undocumented *
python
Global: Adds support/bindings for the Python language
test
Global: Workaround to pull in packages needed to run with FEATURES=test. Portage-2.1.2 handles this internally, so don't set it in make.conf/package.use anymore
testprograms
* This flag is undocumented *
contrib
Global: Build additional contrib components
contribcvv
* This flag is undocumented *
contribdnn
* This flag is undocumented *
contribfreetype
* This flag is undocumented *
contribhdf
* This flag is undocumented *
contribovis
* This flag is undocumented *
contribsfm
* This flag is undocumented *
contribxfeatures2d
* This flag is undocumented *
dnnsamples
* This flag is undocumented *
examples
Global: Install examples, usually source code
features2d
* This flag is undocumented *
cuda
Global: Build CUDA binaries.
cudnn
* This flag is undocumented *
opencl
Global: Build OpenCL binaries.
video_cards_intel
* This flag is undocumented *
+ffmpeg
* This flag is undocumented *
gphoto2
Global: Adds digital camera support
gstreamer
Global: Adds support for media-libs/gstreamer (Streaming media)
ieee1394
Global: Enable FireWire/iLink IEEE1394 support (dv, camera, ...)
openni
* This flag is undocumented *
openni2
* This flag is undocumented *
xine
Global: Add support for the XINE movie libraries
vaapi
Global: Enables VAAPI (Video Acceleration API) for hardware decoding
v4l
Global: Enables video4linux support
avif
* This flag is undocumented *
gdal
Global: Include gdal and ogr support for format conversions.
gif
Global: Adds GIF image support
jasper
* This flag is undocumented *
jpeg
Global: Adds JPEG image support
jpeg2k
Global: Support for JPEG 2000, a wavelet-based image compression format
openexr
Global: Support for the OpenEXR graphics file format
png
Global: Adds support for libpng (PNG images)
quirc
* This flag is undocumented *
spng
* This flag is undocumented *
tesseract
Global: Enable support for the tesseract OCR engine
tiff
Global: Adds support for the TIFF image format
webp
* This flag is undocumented *
gtk3
* This flag is undocumented *
qt6
* This flag is undocumented *
opengl
Global: Adds support for OpenGL (3D graphics)
truetype
Global: Adds support for FreeType and/or FreeType2 fonts
vtk
* This flag is undocumented *
vulkan
* This flag is undocumented *
wayland
* This flag is undocumented *
openmp
Global: Build support for the OpenMP (support parallel computing), requires >=sys-devel/gcc-4.2 built with USE="openmp"
tbb
Global: Enable multithreading with the Intel Threads Building Block (needs dev-cpp/tbb)
atlas
* This flag is undocumented *
lapack
Global: Adds support for the virtual/lapack numerical library
mkl
Global: Install the Intel Math Kernel Library
cpu_flags_arm_neon
* This flag is undocumented *
cpu_flags_arm_vfpv3
* This flag is undocumented *
cpu_flags_arm_asimddp
* This flag is undocumented *
cpu_flags_ppc_vsx
* This flag is undocumented *
cpu_flags_ppc_vsx3
* This flag is undocumented *
cpu_flags_x86_sse
* This flag is undocumented *
cpu_flags_x86_sse2
* This flag is undocumented *
cpu_flags_x86_sse3
* This flag is undocumented *
cpu_flags_x86_ssse3
* This flag is undocumented *
cpu_flags_x86_sse4_1
* This flag is undocumented *
cpu_flags_x86_popcnt
* This flag is undocumented *
cpu_flags_x86_sse4_2
* This flag is undocumented *
cpu_flags_x86_f16c
* This flag is undocumented *
cpu_flags_x86_fma3
* This flag is undocumented *
cpu_flags_x86_avx
* This flag is undocumented *
cpu_flags_x86_avx2
* This flag is undocumented *
cpu_flags_x86_avx512_bitalg
* This flag is undocumented *
cpu_flags_x86_avx512_vbmi2
* This flag is undocumented *
cpu_flags_x86_avx512_vnni
* This flag is undocumented *
cpu_flags_x86_avx512_vpopcntdq
* This flag is undocumented *
cpu_flags_x86_avx512bw
* This flag is undocumented *
cpu_flags_x86_avx512cd
* This flag is undocumented *
cpu_flags_x86_avx512dq
* This flag is undocumented *
cpu_flags_x86_avx512f
* This flag is undocumented *
cpu_flags_x86_avx512ifma
* This flag is undocumented *
cpu_flags_x86_avx512vbmi
* This flag is undocumented *
cpu_flags_x86_avx512vl
* This flag is undocumented *
cpu_flags_x86_avx512er
* This flag is undocumented *
cpu_flags_x86_avx512pf
* This flag is undocumented *
cpu_flags_x86_avx512_4fmaps
* This flag is undocumented *
cpu_flags_x86_avx512_4vnniw
* This flag is undocumented *
abi_x86_32
* This flag is undocumented *
abi_x86_64
* This flag is undocumented *
abi_x86_x32
* This flag is undocumented *
abi_mips_n32
* This flag is undocumented *
abi_mips_n64
* This flag is undocumented *
abi_mips_o32
* This flag is undocumented *
abi_s390_32
* This flag is undocumented *
abi_s390_64
* This flag is undocumented *
python_targets_python3_11
* This flag is undocumented *
python_targets_python3_12
* This flag is undocumented *
python_targets_python3_13
* This flag is undocumented *
+features2d
* This flag is undocumented *
+python
* This flag is undocumented *
qt5
* This flag is undocumented *
python_targets_python3_10
* This flag is undocumented *