Merge pull request #1270 from rdm12:bugfix_3094

902aa309 · Roman Donchenko · OpenCV Buildbot · 6ae9870d · 4eb85189 · 902aa309
Commit 902aa309 authored Aug 14, 2013 by Roman Donchenko Committed by OpenCV Buildbot Aug 14, 2013
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pyramids.cpp modules/imgproc/src/pyramids.cpp +1 -0

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--- a/modules/imgproc/src/pyramids.cpp
+++ b/modules/imgproc/src/pyramids.cpp
@@ -191,6 +191,7 @@ pyrDown_( const Mat& _src, Mat& _dst, int borderType )
    typedef typename CastOp::type1 WT;
    typedef typename CastOp::rtype T;

+    CV_Assert( !_src.empty() );
    Size ssize = _src.size(), dsize = _dst.size();
    int cn = _src.channels();
    int bufstep = (int)alignSize(dsize.width*cn, 16);