calib3d: chess board - perform full range (with 0) histogram smooth

7 years ago · f3cbb0f941
parent 0a6d190095
commit f3cbb0f941
1 changed files with 1 additions and 1 deletions
--- a/modules/calib3d/src/calibinit.cpp
+++ b/modules/calib3d/src/calibinit.cpp
@ -252,7 +252,7 @@ static int icvSmoothHistogram( const std::vector<int>& piHist, std::vector<int>&
        for ( int ii=-iWidth; ii<=iWidth; ii++)
        {
            iIdx = i+ii;
-            if (iIdx > 0 && iIdx < 256)
+            if (iIdx >= 0 && iIdx < 256)
            {
                iSmooth += piHist[iIdx];
            }