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minor change of BOW

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This commit is contained in:
Maria Dimashova 2010-11-08 15:21:56 +00:00
parent 2cd9fbb66a
commit d7c86bbcdc
2 changed files with 3 additions and 3 deletions
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2
modules/features2d/include/opencv2/features2d/features2d.hpp
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@ -2468,7 +2468,7 @@ public:
void setVocabulary( const Mat& vocabulary );
const Mat& getVocabulary() const { return vocabulary; }
void compute( const Mat& image, vector<KeyPoint>& keypoints, Mat& imgDescriptor,
vector<vector<int> >* pointIdxsOfClusters=0 ); //not constant because DescriptorMatcher::match is not constant
vector<vector<int> >* pointIdxsOfClusters=0, Mat* descriptors=0 ); //not constant because DescriptorMatcher::match is not constant
int descriptorSize() const { return vocabulary.empty() ? 0 : vocabulary.rows; }
int descriptorType() const { return CV_32FC1; }

4
modules/features2d/src/bagofwords.cpp
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@ -112,7 +112,7 @@ void BOWImgDescriptorExtractor::setVocabulary( const Mat& _vocabulary )
}
void BOWImgDescriptorExtractor::compute( const Mat& image, vector<KeyPoint>& keypoints, Mat& imgDescriptor,
vector<vector<int> >* pointIdxsOfClusters )
vector<vector<int> >* pointIdxsOfClusters, Mat* _descriptors )
{
imgDescriptor.release();
@ -122,7 +122,7 @@ void BOWImgDescriptorExtractor::compute( const Mat& image, vector<KeyPoint>& key
int clusterCount = descriptorSize(); // = vocabulary.rows
// Compute descriptors for the image.
Mat descriptors;
Mat descriptors = _descriptors ? *_descriptors : Mat();
dextractor->compute( image, keypoints, descriptors );
// Match keypoint descriptors to cluster center (to vocabulary)