ubuntu 18.04安装opencv3.4.1

ubuntu 18.04安装opencv3.4.1

1.安装opencv时,xfeatures2d下载缺失

2.在build下make好多次都是no file such # include “opencv2/xfeatures2d/cuda.hpp”

参考:https://blog.csdn.net/w946612410/article/details/112178786

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