opencv-3rdparty-contrib-xfeatures2d

opencv_3rdparty-contrib_xfeatures2d_boostdesc_20161012 opencv_3rdparty-contrib_xfeatures2d_vgg_20160317 官网下载地址 https://github.com/opencv/opencv_3rdparty/tree/contrib_xfeatures2d_boostdesc_20161012 https://github.com/opencv/opencv_3rdparty/tree/contrib_xfeatures2d_vgg_20160317