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Merge pull request #837 from savuor:fix/bif_nan_sqrt

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Maksim Shabunin
2016-11-17 15:00:44 +00:00
parent f3ca1a2f08 8b252a822b
commit dd55064f8e
1 changed files with 1 additions and 1 deletions
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modules/face/src/bif.cpp
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@@ -207,7 +207,7 @@ void BIFImpl::computeUnit(int unit_idx, const cv::Mat &img,
double sd = sumsq.at<double>(y1,x1) - sumsq.at<double>(y1,x0)
- sumsq.at<double>(y0,x1) + sumsq.at<double>(y0,x0);
sd = sqrt(sd / area - mean * mean);
sd = sqrt(std::max(0.0, sd / area - mean * mean));
dst.at<float>(pos) = static_cast<float>(sd);
}