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Descriptor Matchers

Descriptor Matchers
[2D Features Framework]

Matchers of keypoint descriptors in OpenCV have wrappers with a common interface that enables you to easily switch between different algorithms solving the same problem. More...

Data Structures

class  DescriptorMatcher
 Abstract base class for matching keypoint descriptors. More...
class  BFMatcher
 Brute-force descriptor matcher. More...
class  FlannBasedMatcher
 Flann-based descriptor matcher. More...

Detailed Description

Matchers of keypoint descriptors in OpenCV have wrappers with a common interface that enables you to easily switch between different algorithms solving the same problem.

This section is devoted to matching descriptors that are represented as vectors in a multidimensional space. All objects that implement vector descriptor matchers inherit the DescriptorMatcher interface.

Note:
  • An example explaining keypoint matching can be found at opencv_source_code/samples/cpp/descriptor_extractor_matcher.cpp
    • An example on descriptor matching evaluation can be found at opencv_source_code/samples/cpp/detector_descriptor_matcher_evaluation.cpp
    • An example on one to many image matching can be found at opencv_source_code/samples/cpp/matching_to_many_images.cpp