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brisk add detection threshold for custom sampling pattern

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This commit is contained in:
Martin Seyferth 2017-08-14 09:40:43 +02:00
parent 87c27a074d
commit e5f129424c
2 changed files with 40 additions and 0 deletions
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17
modules/features2d/include/opencv2/features2d.hpp
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@ -250,6 +250,23 @@ public:
@param indexChange index remapping of the bits. */
CV_WRAP static Ptr<BRISK> create(const std::vector<float> &radiusList, const std::vector<int> &numberList,
float dMax=5.85f, float dMin=8.2f, const std::vector<int>& indexChange=std::vector<int>());
/** @brief The BRISK constructor for a custom pattern, detection threshold and octaves
@param thresh AGAST detection threshold score.
@param octaves detection octaves. Use 0 to do single scale.
@param radiusList defines the radii (in pixels) where the samples around a keypoint are taken (for
keypoint scale 1).
@param numberList defines the number of sampling points on the sampling circle. Must be the same
size as radiusList..
@param dMax threshold for the short pairings used for descriptor formation (in pixels for keypoint
scale 1).
@param dMin threshold for the long pairings used for orientation determination (in pixels for
keypoint scale 1).
@param indexChange index remapping of the bits. */
CV_WRAP static Ptr<BRISK> create(int thresh, int octaves, const std::vector<float> &radiusList,
const std::vector<int> &numberList, float dMax=5.85f, float dMin=8.2f,
const std::vector<int>& indexChange=std::vector<int>());
};
/** @brief Class implementing the ORB (*oriented BRIEF*) keypoint detector and descriptor extractor

23
modules/features2d/src/brisk.cpp
View File

@ -59,6 +59,10 @@ public:
explicit BRISK_Impl(const std::vector<float> &radiusList, const std::vector<int> &numberList,
float dMax=5.85f, float dMin=8.2f, const std::vector<int> indexChange=std::vector<int>());
explicit BRISK_Impl(int thresh, int octaves, const std::vector<float> &radiusList,
const std::vector<int> &numberList, float dMax=5.85f, float dMin=8.2f,
const std::vector<int> indexChange=std::vector<int>());
virtual ~BRISK_Impl();
int descriptorSize() const
@ -319,6 +323,18 @@ BRISK_Impl::BRISK_Impl(const std::vector<float> &radiusList,
octaves = 3;
}
BRISK_Impl::BRISK_Impl(int thresh,
int octaves_in,
const std::vector<float> &radiusList,
const std::vector<int> &numberList,
float dMax, float dMin,
const std::vector<int> indexChange)
{
generateKernel(radiusList, numberList, dMax, dMin, indexChange);
threshold = thresh;
octaves = octaves_in;
}
void
BRISK_Impl::generateKernel(const std::vector<float> &radiusList,
const std::vector<int> &numberList,
@ -2318,4 +2334,11 @@ Ptr<BRISK> BRISK::create(const std::vector<float> &radiusList, const std::vector
return makePtr<BRISK_Impl>(radiusList, numberList, dMax, dMin, indexChange);
}
Ptr<BRISK> BRISK::create(int thresh, int octaves, const std::vector<float> &radiusList,
const std::vector<int> &numberList, float dMax, float dMin,
const std::vector<int>& indexChange)
{
return makePtr<BRISK_Impl>(thresh, octaves, radiusList, numberList, dMax, dMin, indexChange);
}
}