[Ubuntu] 切換權限 root
先更改密碼，在切換使用者帳號至root
- sudo passwd root
- sudo su -
[CentOS, OpenCV] CentOS 7 安裝 OpenCV 3.4.5 (CentOS install OpenCV )
先下載OpenCV，版本自選，應該會得到xxx.zip - 安裝相關套件 $yum install cmake $yum install gcc gcc-c++ kernel-devel gcc-essential gcc-gfortran $yum install git ibgnomeui-devel gtk2 gtk2-devel gtk2-devel-docs - 確認自己有沒有pkg-config --version ，我是使用 0.27.1，沒有的話自行裝一下 - 安裝epel擴展及其他相關擴展 $yum -y install epel-release $yum localinstall –nogpgcheck https://download1.rpmfusion.org/free/el/rpmfusion-free-release-7.noarch.rpm $yum localinstall –nogpgcheck https://download1.rpmfusion.org/nonfree/el/rpmfusion-nonfree-release-7.noarch.rpm - 安裝ffmpeg-deve $yum -y install ffmpeg ffmpeg-devel $ffmpeg -version - 安裝opencv其他依賴 $yum install python-devel numpy $yum install libdc1394-devel $yum install libv4l-devel $yum install gstreamer-plugins-base-devel - Cmake編譯 $cd opencv $mkdir build $cd build $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_op...
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