OpenCV
4.0.0
Open Source Computer Vision
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Classes | |
class | cv::xfeatures2d::SIFT |
Class for extracting keypoints and computing descriptors using the Scale Invariant Feature Transform (SIFT) algorithm by D. Lowe [126] . More... | |
class | cv::xfeatures2d::SURF |
Class for extracting Speeded Up Robust Features from an image [11] . More... | |
class | cv::cuda::SURF_CUDA |
Class used for extracting Speeded Up Robust Features (SURF) from an image. : More... | |
Typedefs | |
typedef SIFT | cv::xfeatures2d::SiftDescriptorExtractor |
typedef SIFT | cv::xfeatures2d::SiftFeatureDetector |
typedef SURF | cv::xfeatures2d::SurfDescriptorExtractor |
typedef SURF | cv::xfeatures2d::SurfFeatureDetector |
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.