Non-free 2D Features Algorithms

Detailed Description

This section describes two popular algorithms for 2d feature detection, SIFT and SURF, that are known to be patented. You need to set the OPENCV_ENABLE_NONFREE option in cmake to use those. Use them at your own risk.

Classes
class	cv::xfeatures2d::SURF
	Class for extracting Speeded Up Robust Features from an image [20] . More...
class	cv::cuda::SURF_CUDA
	Class used for extracting Speeded Up Robust Features (SURF) from an image. : More...

Typedefs
typedef SURF	cv::xfeatures2d::SurfDescriptorExtractor
typedef SURF	cv::xfeatures2d::SurfFeatureDetector

Typedef Documentation

SurfDescriptorExtractor

typedef SURF cv::xfeatures2d::SurfDescriptorExtractor

#include <opencv2/xfeatures2d/nonfree.hpp>

SurfFeatureDetector

typedef SURF cv::xfeatures2d::SurfFeatureDetector

#include <opencv2/xfeatures2d/nonfree.hpp>