OpenCV  4.1.2
Open Source Computer Vision
Classes | Namespaces | Typedefs
nonfree.hpp File Reference
#include "opencv2/features2d.hpp"


class  cv::xfeatures2d::SIFT
 Class for extracting keypoints and computing descriptors using the Scale Invariant Feature Transform (SIFT) algorithm by D. Lowe [135] . More...
class  cv::xfeatures2d::SURF
 Class for extracting Speeded Up Robust Features from an image [12] . More...


 "black box" representation of the file storage associated with a file on disk.


typedef SIFT cv::xfeatures2d::SiftDescriptorExtractor
typedef SIFT cv::xfeatures2d::SiftFeatureDetector
typedef SURF cv::xfeatures2d::SurfDescriptorExtractor
typedef SURF cv::xfeatures2d::SurfFeatureDetector