From 21ee113af30a2efba8faac4811d55822ff878b0e Mon Sep 17 00:00:00 2001
From: Ahmatnurov Dinar <ahmatnurov.d@gmail.com>
Date: Mon, 16 Feb 2015 16:28:33 +0300
Subject: [PATCH] fixig std::bad_alloc if points0 is empty checkVector(2)
 return -1, it causes the exception

---
 modules/videostab/src/global_motion.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/videostab/src/global_motion.cpp b/modules/videostab/src/global_motion.cpp
index d840e895d2..f7938d5c4c 100644
--- a/modules/videostab/src/global_motion.cpp
+++ b/modules/videostab/src/global_motion.cpp
@@ -544,6 +544,9 @@ Mat MotionEstimatorL1::estimate(InputArray points0, InputArray points1, bool *ok
 
     CV_Assert(motionModel() <= MM_AFFINE && motionModel() != MM_RIGID);
 
+    if(npoints <= 0)
+        return Mat::eye(3, 3, CV_32F);
+
     // prepare LP problem
 
     const Point2f *points0_ = points0.getMat().ptr<Point2f>();