1.官网下载opencv3,然后解压
2.安装依赖包
$ sudo apt-get install build-essential
$ sudo apt-get install cmake git libgtk2.0-dev pkg-config libavcodec-dev libavformat-dev libswscale-dev
$ sudo apt-get install python-dev python-numpy libtbb2 libtbb-dev libjpeg-dev libpng-dev libtiff5-dev libjasper-dev libdc1394-22-dev # 处理图像所需的包
$ sudo apt-get install libavcodec-dev libavformat-dev libswscale-dev libv4l-dev liblapacke-dev
$ sudo apt-get install libxvidcore-dev libx264-dev # 处理视频所需的包
$ sudo apt-get install libatlas-base-dev gfortran # 优化opencv功能
$ sudo apt-get install ffmpeg
3.进入到解压好的文件
$ cd opencv-3.2.0
$ mkdir build
cd build
cmake -D CMAKE_BUILD_TYPE=Release -D CMAKE_INSTALL_PREFIX=/usr/local ..
make
make install (需要管理员权限)
下面操作可选
4.以上只是安装好了,但是还没有配置环境。
sudo /bin/bash -c 'echo "/usr/local/lib" > /etc/ld.so.conf.d/opencv.conf'
sudo ldconfig
5、编译samples程序:
$ cd ~/opencv/samples$ sudo cmake .$ sudo make -j $(nproc)
注:1.如果import的时候报类似于
error while loading shared libraries:
libopencv_core.so.3.0: cannot open shared object file: No such file or directory.
的错误,
可能是library环境变量的错误,可以尝试将
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib
加入到~/.bashrc
中然后source。
2.测试是否成功:python -c "import cv2; print cv2.__version__"如果出现版本号,说明成功。
3.如果在python2中import cv2成功,在python3中import cv2失败:
则在命令行执行下面命令:pip install opencv-python