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Merge pull request #3151 from PhilLab:orbNoKeypoints

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This commit is contained in:
Vadim Pisarevsky 2014-08-25 17:10:45 +00:00
commit 2211cfe783
1 changed files with 6 additions and 1 deletions
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7
modules/features2d/src/orb.cpp
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@ -49,7 +49,8 @@ template<typename _Tp> inline void copyVectorToUMat(const std::vector<_Tp>& v, O
{
if(v.empty())
um.release();
Mat(1, (int)(v.size()*sizeof(v[0])), CV_8U, (void*)&v[0]).copyTo(um);
else
Mat(1, (int)(v.size()*sizeof(v[0])), CV_8U, (void*)&v[0]).copyTo(um);
}
static bool
@ -805,6 +806,10 @@ static void computeKeyPoints(const Mat& imagePyramid,
std::vector<Vec3i> ukeypoints_buf;
nkeypoints = (int)allKeypoints.size();
if(nkeypoints == 0)
{
return;
}
Mat responses;
UMat ukeypoints, uresponses(1, nkeypoints, CV_32F);