Ubuntu18.04+OpenCV3.2.0进行源码编译安装时,可能会出现Failed to download vgg_generated_48.i等系列错误。现把相关文件通过zip打包下载,下载后解压,按需替换相应目录里面的同名文件即可,比如:把vgg_generated_48.i文件拷贝到/opencv_contrib-3.2.0/modules/xfeatures2d/cmake/.download/e8d0dcd54d1bcfdc29203d011a797179文件夹下面替换同名文件。
/home/pi/Downloads/opencv_contrib-4.1.1/modules/xfeatures2d/src/boostdesc.cpp:654:20:fatal error :boostdesc_bgm.i:No such file or directory
#include "boostdesc_bgm.i"
OpenCV3.4.5+opencv_contrib
解决在编译过程中出现C1083 Cannot open include file: 'vgg_generated_120.i': No such file or directory opencv_xfeatures2d的错误,从编译文件夹下的CMakeDownloadLog.txt文件里找到下载的路径,然后直接下载就可以了。之后放到opencv_contrib-3.4.5\modules\xfeatures2d\src,重新configure