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Merge pull request #7183 from mself:LMeDS_median_optimization

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Alexander Alekhin 2016-09-02 11:16:12 +00:00
commit a5dcefd50e
1 changed files with 2 additions and 4 deletions
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6
modules/calib3d/src/ptsetreg.cpp
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@ -344,10 +344,8 @@ public:
else else
errf = err; errf = err;
CV_Assert( errf.isContinuous() && errf.type() == CV_32F && (int)errf.total() == count ); CV_Assert( errf.isContinuous() && errf.type() == CV_32F && (int)errf.total() == count );
std::sort(errf.ptr<int>(), errf.ptr<int>() + count); std::nth_element(errf.ptr<int>(), errf.ptr<int>() + count/2, errf.ptr<int>() + count);
double median = errf.at<float>(count/2);
double median = count % 2 != 0 ?
errf.at<float>(count/2) : (errf.at<float>(count/2-1) + errf.at<float>(count/2))*0.5;
if( median < minMedian ) if( median < minMedian )
{ {