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OpenCV: Difference between revisions
→Non-free Algorithms
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You need to compile [https://github.com/opencv/opencv OpenCV] from source alongside [https://github.com/opencv/opencv_contrib OpenCV-contrib]. | You need to compile [https://github.com/opencv/opencv OpenCV] from source alongside [https://github.com/opencv/opencv_contrib OpenCV-contrib]. | ||
{{hidden | Compile opencv-contrib-python | | |||
You can build a wheel to install which includes NONFREE modules as follows: | |||
* Install all dependencies listed in [https://docs.opencv.org/master/d2/de6/tutorial_py_setup_in_ubuntu.html the build tutorial] | |||
<syntaxhighlight lang="bash"> | |||
sudo apt install -y libavcodec-dev libavformat-dev libswscale-dev | |||
sudo apt install -y libgstreamer-plugins-base1.0-dev libgstreamer1.0-dev | |||
sudo apt install -y libpng-dev libjpeg-dev libopenexr-dev libtiff-dev libwebp-dev libjasper-dev | |||
sudo add-apt-repository "deb http://security.ubuntu.com/ubuntu xenial-security main" | |||
sudo apt update | |||
sudo apt install -y libjasper1 libjasper-dev | |||
sudo apt install -y tesseract-ocr* liblept5 leptonica-progs libleptonica-dev | |||
</syntaxhighlight> | |||
* Setup a build environment | |||
<syntaxhighlight lang="bash"> | |||
conda create -n opencvbuild python=3.6 | |||
conda activate opencvbuild | |||
conda install -c conda-forge pyqt=4 | |||
</syntaxhighlight> | |||
* Make a wheel | |||
<syntaxhighlight lang="bash"> | |||
git clone --recurse-submodules [email protected]:skvark/opencv-python.git | |||
cd opencv-python | |||
export ENABLE_CONTRIB=1 | |||
export CMAKE_ARGS=-DOPENCV_ENABLE_NONFREE=ON | |||
python setup.py bdist_wheel | |||
</syntaxhighlight> | |||
}} | |||
{{hidden | Compilation Instructions | | {{hidden | Compilation Instructions | | ||
See [https://www.pyimagesearch.com/2018/08/15/how-to-install-opencv-4-on-ubuntu/ https://www.pyimagesearch.com/2018/08/15/how-to-install-opencv-4-on-ubuntu] for instructions. | See [https://www.pyimagesearch.com/2018/08/15/how-to-install-opencv-4-on-ubuntu/ https://www.pyimagesearch.com/2018/08/15/how-to-install-opencv-4-on-ubuntu] for instructions. | ||