ubuntu20.04 和centos8平台opencv4.5.3&opencv_contrib编译
1、源码下载:包括opencvopencv_ocntrib链接:https://pan.baidu.com/s/12kz7qkAFeNimwtSZxv7lqA提取码:6prp2、其中将xfeatures2d.zip解压后的文件复制到opencv_contrib/modules/xfeatures2d/src中3、在opencv目录下建立文件夹build,将opencv_contrib目录放到ope