Ubuntu18.04下安装OpenCv依赖包libjasper-dev 问题 Ubuntu18.4下使用sudo apt-get install libjaster-dev安装包时提示找不到这个包 解决办法 终端中输入以下代码即可解决 sudo add-apt-repository "deb http://security.ubuntu.com/ubuntu xenial-security main" sudo apt update sudo apt install libjasper1 libjasper-dev