[HDR] Update the scale constraint

alicevision · Sep 17, 2020 · 7ec0624 · 7ec0624
1 parent c2f4e66
commit 7ec0624
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/aliceVision/hdr/DebevecCalibrate.cpp b/src/aliceVision/hdr/DebevecCalibrate.cpp
@@ -130,7 +130,7 @@ bool DebevecCalibrate::process(const std::vector<std::vector<ImageSample>>& ldrS
         // Enforce f(0.5) = 0.0
         //
         const size_t pos_middle = std::floor(channelQuantization / 2);
-        A(channelQuantization - 1, channelQuantization - 1) += 1.0f;
+        A(pos_middle, pos_middle) += 1.0f;
 
         // M is
         //