OpenCV - undefined reference: SurfFeatureDetector and BruteForceMatcher

If you're using opencv 2.4, SURF and SIFT interfaces are changed to nonfree folder. You can use it by including this line

#include <opencv2/nonfree/features2d.hpp>

 For BruteForceMatcher, please

#include <opencv2/legacy/legacy.hpp>

你可能感兴趣的:(OpenCV - undefined reference: SurfFeatureDetector and BruteForceMatcher)