Avoid HOGDescriptor with sigma = 0

Solve #9307.

Avoid HOGDescriptor with sigma = 0
Solve #9307.
d5e64f4e · Camille Barneaud · GitHub · d27009c7 · d5e64f4e
Commit d5e64f4e authored Aug 19, 2017 by Camille Barneaud Committed by GitHub Aug 19, 2017
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hog.cpp modules/objdetect/src/hog.cpp +1 -1

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--- a/modules/objdetect/src/hog.cpp
+++ b/modules/objdetect/src/hog.cpp
@@ -100,7 +100,7 @@ size_t HOGDescriptor::getDescriptorSize() const

 double HOGDescriptor::getWinSigma() const
 {
-    return winSigma >= 0 ? winSigma : (blockSize.width + blockSize.height)/8.;
+    return winSigma > 0 ? winSigma : (blockSize.width + blockSize.height)/8.;
 }

 bool HOGDescriptor::checkDetectorSize() const