|  | OpenCV
    3.3.0
    Open Source Computer Vision | 
#include "opencv2/features2d.hpp"| Classes | |
| class | cv::xfeatures2d::SIFT | 
| Class for extracting keypoints and computing descriptors using the Scale Invariant Feature Transform (SIFT) algorithm by D. Lowe [108] .  More... | |
| class | cv::xfeatures2d::SURF | 
| Class for extracting Speeded Up Robust Features from an image [9] .  More... | |
| Namespaces | |
| cv | |
| cv::xfeatures2d | |
| Typedefs | |
| typedef SIFT | cv::xfeatures2d::SiftDescriptorExtractor | 
| typedef SIFT | cv::xfeatures2d::SiftFeatureDetector | 
| typedef SURF | cv::xfeatures2d::SurfDescriptorExtractor | 
| typedef SURF | cv::xfeatures2d::SurfFeatureDetector | 
 1.8.12
 1.8.12