Don't process empty src image in GFTT

967a8875 · Alexander Karsakov · fae2eb8a · 967a8875
Commit 967a8875 authored Oct 28, 2014 by Alexander Karsakov
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featureselect.cpp modules/imgproc/src/featureselect.cpp +6 -0

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--- a/modules/imgproc/src/featureselect.cpp
+++ b/modules/imgproc/src/featureselect.cpp
@@ -275,6 +275,12 @@ void cv::goodFeaturesToTrack( InputArray _image, OutputArray _corners,
                                    _mask, blockSize, useHarrisDetector, harrisK))

    Mat image = _image.getMat(), eig, tmp;
+    if (image.empty())
+    {
+        _corners.release();
+        return;
+    }
+
    if( useHarrisDetector )
        cornerHarris( image, eig, blockSize, 3, harrisK );
    else