From 79d572479455466650c1679b78af4eaed0117294 Mon Sep 17 00:00:00 2001
From: Anatoly Baksheev <no@email>
Date: Thu, 7 Feb 2013 22:25:15 +0400
Subject: [PATCH] BP doc change according to Adrian's request (OpenCV book
 co-author)

---
 modules/gpu/doc/camera_calibration_and_3d_reconstruction.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/gpu/doc/camera_calibration_and_3d_reconstruction.rst b/modules/gpu/doc/camera_calibration_and_3d_reconstruction.rst
index 537aa6f..587c253 100644
--- a/modules/gpu/doc/camera_calibration_and_3d_reconstruction.rst
+++ b/modules/gpu/doc/camera_calibration_and_3d_reconstruction.rst
@@ -182,7 +182,7 @@ Enables the :ocv:class:`gpu::StereoBeliefPropagation` constructors.
 
 .. math::
 
-    DataCost = data \_ weight  \cdot \min ( \lvert I_2-I_1  \rvert , max \_ data \_ term)
+    DataCost = data \_ weight  \cdot \min ( \lvert Img_Left(x,y)-Img_Right(x-d,y)  \rvert , max \_ data \_ term)
 
 .. math::
 
-- 
2.7.4