made calcBackproject slightly more robust.

15 years ago · 378af78e6a
parent d2516c4512
commit 378af78e6a
1 changed files with 1 additions and 1 deletions
--- a/modules/imgproc/src/histogram.cpp
+++ b/modules/imgproc/src/histogram.cpp
@ -903,7 +903,7 @@ calcBackProj_( vector<uchar*>& _ptrs, const vector<int>& _deltas,
                    for( i = 0; i < dims; i++ )
                    {
                        int idx = cvFloor(*ptrs[i]*uniranges[i*2] + uniranges[i*2+1]);
-                        if( (unsigned)idx >= (unsigned)size[i] )
+                        if( (unsigned)idx >= (unsigned)size[i] || (_ranges && *ptrs[i] >= _ranges[i][1]))
                            break;
                        ptrs[i] += deltas[i*2];
                        Hptr += idx*hstep[i];