python3 pip3 opencv3

yum -y update
yum -y install yum-utils
yum -y groupinstall development

yum -y install epel-release

yum -y install https://centos7.iuscommunity.org/ius-release.rpm
yum -y install python36u
yum -y install python36u-pip

yum -y groupinstall development

python3.6 -V
pip3.6 -V
ln -s /usr/bin/python3.6 /usr/bin/python3
ln -s /usr/bin/pip3.6 /usr/bin/pip3


yum localinstall -y --nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm https://download1.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-7.noarch.

yum -y install ffmpeg ffmpeg-devel

yum install -y gcc gcc-c++  
yum install -y cmake  
yum install -y python-devel numpy 

cd /root
wget https://github.com/opencv/opencv/archive/3.4.3.zip

unzip 3.4.3.zip
cd opencv-3.4.3  
mkdir release   
cd release
 
cmake -D WITH_TBB=ON -D WITH_EIGEN=ON ..
cmake -D BUILD_DOCS=ON -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_EXAMPLES=OFF ..
cmake -D WITH_OPENCL=OFF -D WITH_CUDA=OFF -D BUILD_opencv_gpu=OFF -D BUILD_opencv_gpuarithm=OFF -D BUILD_opencv_gpubgsegm=OFF -D BUILD_opencv_gpucodec=OFF -D BUILD_opencv_gpufeatures2d=OFF -D BUILD_opencv_gpufilters=OFF -D BUILD_opencv_gpuimgproc=OFF -D BUILD_opencv_gpulegacy=OFF -D BUILD_opencv_gpuoptflow=OFF -D BUILD_opencv_gpustereo=OFF -D BUILD_opencv_gpuwarping=OFF ..
cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local .. 

export PKG_CONFIG_PATH=/usr/local/lib64/pkgconfig/

make
make install

/bin/bash -c 'echo "/usr/local/lib64" > /etc/ld.so.conf.d/opencv.conf'

ldconfig


pkg-config —cflags opencv
pkg-config —libs opencv


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