Fixed the formula to compute the well-exposedness weight map.

9 years ago · d19189e80f
parent e0395a79ec
commit d19189e80f
1 changed files with 5 additions and 4 deletions
--- a/modules/photo/src/merge.cpp
+++ b/modules/photo/src/merge.cpp
@ -194,10 +194,11 @@ public:

            wellexp = Mat::ones(size, CV_32F);
            for(int c = 0; c < channels; c++) {
-                Mat exp = splitted[c] - 0.5f;
-                pow(exp, 2.0f, exp);
-                exp = -exp / 0.08f;
-                wellexp = wellexp.mul(exp);
+                Mat expo = splitted[c] - 0.5f;
+                pow(expo, 2.0f, expo);
+                expo = -expo / 0.08f;
+                exp(expo, expo);
+                wellexp = wellexp.mul(expo);
            }

            pow(contrast, wcon, contrast);