yum install python-devel numpy cmake gcc gcc-c++
yum install gtk2-devel libdc1394-devel libv4l-devel ffmpeg-devel gstreamer-plugins-base-devel
yum install libpng-devel libjpeg-turbo-devel jasper-devel openexr-devel libtiff-devel libwebp-devel
yum install opencv opencv-python opencv-devel
pip3 install numpy Matplotlib -i https://mirrors.aliyun.com/pypi/simple
pip3 install opencv-python -i https://mirrors.aliyun.com/pypi/simple
pip3 install Image -i https://mirrors.aliyun.com/pypi/simple