安装opencv4.4.0opencv_contrib4.4.0下载 opencv4.4.0opencv_contrib4.4.0这是我csdn的上传地址，不需要积分https://download.csdn.net/download/weixin_43436587/12666328。卸载原来的opencv版本，这个可以搜下安装opencv pencv_contrib（1）安装依赖sudo apt