From 60633fddd06449e5ea5728556bbd2cf759571c2e Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <no@email>
Date: Thu, 31 Mar 2011 14:03:17 +0000
Subject: [PATCH] fixed bug in complanarity check in cvEstimateRigidTransform
 (thanks to Luca Del Tongo)

---
 modules/video/src/lkpyramid.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/video/src/lkpyramid.cpp b/modules/video/src/lkpyramid.cpp
index b8d289040..4870dee26 100644
--- a/modules/video/src/lkpyramid.cpp
+++ b/modules/video/src/lkpyramid.cpp
@@ -1799,7 +1799,7 @@ cvEstimateRigidTransform( const CvArr* matA, const CvArr* matB, CvMat* matM, int
                     
                     double dax1 = a[1].x - a[0].x, day1 = a[1].y - a[0].y;
                     double dax2 = a[2].x - a[0].x, day2 = a[2].y - a[0].y;
-                    double dbx1 = b[1].x - b[0].y, dby1 = b[1].y - b[0].y;
+                    double dbx1 = b[1].x - b[0].x, dby1 = b[1].y - b[0].y;
                     double dbx2 = b[2].x - b[0].x, dby2 = b[2].y - b[0].y;
                     const double eps = 0.01;