features2d agast: clear in/out keypoints container

fixes #5863

features2d agast: clear in/out keypoints container
fixes #5863
3d85e7ac · Alexander Alekhin · 8d79285d · 3d85e7ac
Commit 3d85e7ac authored Dec 25, 2015 by Alexander Alekhin
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agast.cpp modules/features2d/src/agast.cpp +1 -0

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--- a/modules/features2d/src/agast.cpp
+++ b/modules/features2d/src/agast.cpp
@@ -7961,6 +7961,7 @@ public:
            cvtColor( _image, ogray, COLOR_BGR2GRAY );
            gray = ogray;
        }
+        keypoints.clear();
        AGAST( gray, keypoints, threshold, nonmaxSuppression, type );
        KeyPointsFilter::runByPixelsMask( keypoints, mask );
    }