From a76a34d28e9e0cb6b15c419181dccee77078d6fb Mon Sep 17 00:00:00 2001
From: Anatoly Baksheev <no@email>
Date: Thu, 2 Jan 2014 16:16:29 +0400
Subject: [PATCH] added Affine3: 3x4 input Mat support

---
 modules/core/include/opencv2/core/affine.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/modules/core/include/opencv2/core/affine.hpp b/modules/core/include/opencv2/core/affine.hpp
index 55b3f8fb0c..3f072e78f6 100644
--- a/modules/core/include/opencv2/core/affine.hpp
+++ b/modules/core/include/opencv2/core/affine.hpp
@@ -179,6 +179,12 @@ cv::Affine3<T>::Affine3(const cv::Mat& data, const Vec3& t)
         data.copyTo(matrix);
         return;
     }
+    else if (data.cols == 4 && data.rows == 3)
+    {
+        rotation(data(Rect(0, 0, 3, 3)));
+        translation(data(Rect(3, 0, 1, 3)));
+        return;
+    }
 
     rotation(data);
     translation(t);