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Fixed cvExtractSURF in case of no keypoints found #2076

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This commit is contained in:
Andrey Kamaev 2012-06-28 05:59:30 +00:00
parent d60b1f2f82
commit e8b0d27942
1 changed files with 18 additions and 18 deletions
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modules/legacy/src/features2d.cpp
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@ -89,7 +89,7 @@ cvExtractSURF( const CvArr* _img, const CvArr* _mask,
*_keypoints = cvCreateSeq(0, sizeof(CvSeq), sizeof(CvSURFPoint), storage);
if( _descriptors )
*_descriptors = cvCreateSeq(0, sizeof(CvSeq), descr.cols*descr.elemSize(), storage);
*_descriptors = cvCreateSeq(0, sizeof(CvSeq), surf->descriptorSize() * CV_ELEM_SIZE(surf->descriptorType()), storage);
for( size_t i = 0; i < kpt.size(); i++ )
{