From 69731d5a965b6b12bb8a7d26bad171492be2816b Mon Sep 17 00:00:00 2001
From: Austin Van Blanton <imaus10@gmail.com>
Date: Mon, 26 Aug 2013 13:52:53 -0400
Subject: [PATCH] Skip keypoint description if there are no keypoints

---
 openbr/plugins/keypoint.cpp | 1 +
 1 file changed, 1 insertion(+), 0 deletions(-)

diff --git a/openbr/plugins/keypoint.cpp b/openbr/plugins/keypoint.cpp
index ca9710b..60d5f29 100644
--- a/openbr/plugins/keypoint.cpp
+++ b/openbr/plugins/keypoint.cpp
@@ -97,6 +97,7 @@ class KeyPointDescriptorTransform : public UntrainableTransform
         else
             foreach (const QPointF &landmark, src.file.points())
                 keyPoints.push_back(KeyPoint(landmark.x(), landmark.y(), size));
+        if (keyPoints.empty()) return;
         descriptorExtractor->compute(src, keyPoints, dst);
     }
 };
--
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