Opencv源码编译
1.下载opencv以及opencv_contrib
1 git clone https://github.com/opencv/opencv.git 2 git clone https://github.com/opencv/opencv_contrib.git
2.安装opencv
1 cd /opencv && mkdir build 2 cd build && cmake -f ../CMakeLists.txt -DCMAKE_INSTALL_PREFIX=/data1/NLPRMNT/public/opencv3 -DOPENCV_EXTRA_MODULES_PATH=<opencv_contrib_path>/modules/ 3 make -j4 && make install