在Ubuntu16.04/18.04 安装opencv3.3.0(可选带contrib和cuda)
Optional:contrib库、cuda库注意版本对应:Ubuntu16.04对应安装cuda9,Ubuntu18.04对应安装cuda10安装opencv前需验证cuda和cudnn是否正确安装。Step1:更新包sudoapt-getupdatesudoapt-getupgradeStep2:安装依赖项sudoapt-getremovex264libx264-devsudoapt-geti