Merge pull request #2562 from akarsakov:gftt_fix

d1710a85 · Andrey Pavlenko · OpenCV Buildbot · 5a3200d5 · 2cf3a6e2 · d1710a85
Commit d1710a85 authored Apr 04, 2014 by Andrey Pavlenko Committed by OpenCV Buildbot Apr 04, 2014
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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
@@ -164,6 +164,12 @@ static bool ocl_goodFeaturesToTrack( InputArray _image, OutputArray _corners,
            return false;

        total = std::min<size_t>(counter.getMat(ACCESS_READ).at<int>(0, 0), possibleCornersCount);
+        if (total == 0)
+        {
+            _corners.release();
+            return true;
+        }
+
        tmpCorners.resize(total);

        Mat mcorners(1, (int)total, CV_32FC2, &tmpCorners[0]);