fixed Bug #2581

GoodFeaturesToTrackDetector_GPU fails when no corners found
2012-11-29 11:17:04 +04:00
parent 5047b3fba2
commit 362655b02a
2 changed files with 21 additions and 0 deletions
--- a/modules/gpu/src/gftt.cpp
+++ b/modules/gpu/src/gftt.cpp
@@ -85,6 +85,12 @@ void cv::gpu::GoodFeaturesToTrackDetector_GPU::operator ()(const GpuMat& image,

    int total = findCorners_gpu(eig_, static_cast<float>(maxVal * qualityLevel), mask, tmpCorners_.ptr<float2>(), tmpCorners_.cols);

+    if (total == 0)
+    {
+        corners.release();
+        return;
+    }
+
    sortCorners_gpu(eig_, tmpCorners_.ptr<float2>(), total);

    if (minDistance < 1)