From 2e54482de9e30848436d461577351d89430dddfd Mon Sep 17 00:00:00 2001
From: Vadim Pisarevsky <no@email>
Date: Sun, 19 Jun 2011 23:24:01 +0000
Subject: [PATCH] fixed formula in cvIntegral/integral description

---
 doc/opencv1/c/imgproc_miscellaneous_image_transformations.rst | 2 +-
 modules/imgproc/doc/miscellaneous_transformations.rst         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/opencv1/c/imgproc_miscellaneous_image_transformations.rst b/doc/opencv1/c/imgproc_miscellaneous_image_transformations.rst
index 3b4819d47..11a964b9d 100644
--- a/doc/opencv1/c/imgproc_miscellaneous_image_transformations.rst
+++ b/doc/opencv1/c/imgproc_miscellaneous_image_transformations.rst
@@ -1116,7 +1116,7 @@ Using these integral images, one may calculate sum, mean and standard deviation
 
 .. math::
 
-    \sum _{x_1<=x<x_2,  \, y_1<=y<y_2} =  \texttt{sum} (x_2,y_2)- \texttt{sum} (x_1,y_2)- \texttt{sum} (x_2,y_1)+ \texttt{sum} (x_1,x_1) 
+    \sum _{x_1<=x<x_2,  \, y_1<=y<y_2} =  \texttt{sum} (x_2,y_2)- \texttt{sum} (x_1,y_2)- \texttt{sum} (x_2,y_1)+ \texttt{sum} (x_1,y_1) 
 
 
 It makes possible to do a fast blurring or fast block correlation with variable window size, for example. In the case of multi-channel images, sums for each channel are accumulated independently.
diff --git a/modules/imgproc/doc/miscellaneous_transformations.rst b/modules/imgproc/doc/miscellaneous_transformations.rst
index 24741e45c..0bceaee48 100644
--- a/modules/imgproc/doc/miscellaneous_transformations.rst
+++ b/modules/imgproc/doc/miscellaneous_transformations.rst
@@ -634,7 +634,7 @@ Using these integral images, you can calculate sum, mean and standard deviation
 
 .. math::
 
-    \sum _{x_1 \leq x < x_2,  \, y_1  \leq y < y_2}  \texttt{image} (x,y) =  \texttt{sum} (x_2,y_2)- \texttt{sum} (x_1,y_2)- \texttt{sum} (x_2,y_1)+ \texttt{sum} (x_1,x_1)
+    \sum _{x_1 \leq x < x_2,  \, y_1  \leq y < y_2}  \texttt{image} (x,y) =  \texttt{sum} (x_2,y_2)- \texttt{sum} (x_1,y_2)- \texttt{sum} (x_2,y_1)+ \texttt{sum} (x_1,y_1)
 
 It makes possible to do a fast blurring or fast block correlation with a variable window size, for example. In case of multi-channel images, sums for each channel are accumulated independently.