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issue 3710

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added a check to prevent illegal access to operator[] when vector is empty
This commit is contained in:
Naer Chang 2015-03-14 02:56:29 -04:00
parent 930808c22b
commit dcc2512f58
1 changed files with 1 additions and 1 deletions
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modules/objdetect/src/cascadedetect.cpp
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@ -1268,7 +1268,7 @@ void CascadeClassifierImpl::detectMultiScaleNoGrouping( InputArray _image, std::
scales.push_back((float)factor);
}
if( !featureEvaluator->setImage(gray, scales) )
if ( scales.size() == 0 || !featureEvaluator->setImage(gray, scales) )
return;
// OpenCL code