1.报错一：OSError: libopencv_core.so.3.2: cannot open shared object file: No such file or directory

原因：没有安装opencv

解决方法：sudo apt-get install libopencv-dev（安装之前可能需要设置软件源）

2.报错二：
W: Target Packages (Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/cuda.list:1
E: Unable to locate package libopencv-dev

解决方法：
sudo apt-get update
sudo apt-get dist-upgrade
sudo apt-get install build-essential cmake

链接: [link]https://askubuntu.com/questions/339217/unable-to-locate-package-libopencv-dev