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Merge pull request #5655 from janstarzy:2.4-canny-fix

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Alexander Alekhin 2015-11-12 03:10:11 +00:00
commit fc1694c97c
1 changed files with 1 additions and 1 deletions
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modules/imgproc/src/canny.cpp
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@ -230,7 +230,7 @@ void cv::Canny( InputArray _src, OutputArray _dst,
if ((stack_top - stack_bottom) + src.cols > maxsize) if ((stack_top - stack_bottom) + src.cols > maxsize)
{ {
int sz = (int)(stack_top - stack_bottom); int sz = (int)(stack_top - stack_bottom);
maxsize = maxsize * 3/2; maxsize = std::max(sz + src.cols, maxsize * 3/2);
stack.resize(maxsize); stack.resize(maxsize);
stack_bottom = &stack[0]; stack_bottom = &stack[0];
stack_top = stack_bottom + sz; stack_top = stack_bottom + sz;