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Merge pull request #26867 from shyama7004:fix-meanStdDev

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fix meanStdDev overflow for large images
This commit is contained in:
Alexander Smorkalov
2025-02-07 13:13:35 +03:00
committed by GitHub
parent 2e909c38dc 987ba6504b
commit 740388b3ce
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;