From d1c7983fe5e94d064b274fbc5acf658ff8f7f07f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andr=C3=A1s=20Kov=C3=A1cs?= <kovand11@gmail.com>
Date: Mon, 21 Jul 2014 17:27:03 +0200
Subject: [PATCH] calibrateDebevec index fix (issue 3664)

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

diff --git a/modules/photo/src/calibrate.cpp b/modules/photo/src/calibrate.cpp
index 23b612995a..e9fb461f5b 100644
--- a/modules/photo/src/calibrate.cpp
+++ b/modules/photo/src/calibrate.cpp
@@ -104,7 +104,7 @@ public:
             for(size_t i = 0; i < sample_points.size(); i++) {
                 for(size_t j = 0; j < images.size(); j++) {
 
-                    int val = images[j].ptr()[3*(sample_points[i].y * images[j].cols + sample_points[j].x) + channel];
+                    int val = images[j].ptr()[3*(sample_points[i].y * images[j].cols + sample_points[i].x) + channel];
                     A.at<float>(eq, val) = w.at<float>(val);
                     A.at<float>(eq, LDR_SIZE + (int)i) = -w.at<float>(val);
                     B.at<float>(eq, 0) = w.at<float>(val) * log(times.at<float>((int)j));