Fixed error in case corners not found

11 years ago · 2cf3a6e26c
parent 2aab7b2926
commit 2cf3a6e26c
1 changed files with 6 additions and 0 deletions
--- 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]);