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fix meanStdDev overflow for large images

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This commit is contained in:
shyama7004
2025-02-06 00:30:48 +05:30
committed by Alexander Smorkalov
parent 43cebe52eb
commit 987ba6504b
2 changed files with 15 additions and 1 deletions
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modules/core/src/mean.dispatch.cpp
+2 -1
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@@ -592,7 +592,8 @@ void meanStdDev(InputArray _src, OutputArray _mean, OutputArray _sdv, InputArray
uchar* ptrs[2] = {};
NAryMatIterator it(arrays, ptrs);
int total = (int)it.size, blockSize = total, intSumBlockSize = 0;
int j, count = 0, nz0 = 0;
int j;
int64_t count = 0, nz0 = 0;
AutoBuffer<double> _buf(cn*4);
double *s = (double*)_buf.data(), *sq = s + cn;
int *sbuf = (int*)s, *sqbuf = (int*)sq;