cvflann::HammingLUT Struct Reference

Hamming distance functor - counts the bit differences between two strings - useful for the Brief descriptor bit count of A exclusive XOR'ed with B. More...

#include <opencv2/flann/dist.h>

Public Types
typedef unsigned char	ElementType
typedef False	is_kdtree_distance
typedef False	is_vector_space_distance
typedef int	ResultType

Public Member Functions
ResultType	operator() (const unsigned char *a, const unsigned char *b, size_t size) const
	this will count the bits in a ^ b More...

Detailed Description

Hamming distance functor - counts the bit differences between two strings - useful for the Brief descriptor bit count of A exclusive XOR'ed with B.

Member Typedef Documentation

ElementType

typedef unsigned char cvflann::HammingLUT::ElementType

is_kdtree_distance

typedef False cvflann::HammingLUT::is_kdtree_distance

is_vector_space_distance

typedef False cvflann::HammingLUT::is_vector_space_distance

ResultType

typedef int cvflann::HammingLUT::ResultType

Member Function Documentation

operator()()

ResultType cvflann::HammingLUT::operator() ( const unsigned char *  a, const unsigned char *  b, size_t  size  ) const

inline

this will count the bits in a ^ b

References cv::popCountTable.

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The documentation for this struct was generated from the following file:

• opencv2/flann/dist.h