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

f3cbb0f9 · Alexander Alekhin · 0a6d1900 · f3cbb0f9
Commit f3cbb0f9 authored May 25, 2018 by Alexander Alekhin
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calibinit.cpp modules/calib3d/src/calibinit.cpp +1 -1

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--- 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];
            }