Don't process empty src image in GFTT

10 years ago · 967a88759f
parent fae2eb8a1a
commit 967a88759f
1 changed files with 6 additions and 0 deletions
--- 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