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Merge pull request #23204 from whuaegeanse:fix-sift

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This commit is contained in:
Alexander Alekhin 2023-02-01 16:52:29 +00:00
commit cb2052dbfe
1 changed files with 12 additions and 11 deletions
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23
modules/features2d/src/sift.simd.hpp
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@ -850,7 +850,6 @@ else // CV_8U
#endif #endif
} }
#else #else
float* dst = dstMat.ptr<float>(row);
float nrm1 = 0; float nrm1 = 0;
for( k = 0; k < len; k++ ) for( k = 0; k < len; k++ )
{ {
@ -858,20 +857,22 @@ else // CV_8U
nrm1 += rawDst[k]; nrm1 += rawDst[k];
} }
nrm1 = 1.f/std::max(nrm1, FLT_EPSILON); nrm1 = 1.f/std::max(nrm1, FLT_EPSILON);
if( dstMat.type() == CV_32F ) if( dstMat.type() == CV_32F )
{
for( k = 0; k < len; k++ )
{ {
dst[k] = std::sqrt(rawDst[k] * nrm1); float *dst = dstMat.ptr<float>(row);
for( k = 0; k < len; k++ )
{
dst[k] = std::sqrt(rawDst[k] * nrm1);
}
} }
} else // CV_8U
else // CV_8U
{
for( k = 0; k < len; k++ )
{ {
dst[k] = saturate_cast<uchar>(std::sqrt(rawDst[k] * nrm1)*SIFT_INT_DESCR_FCTR); uint8_t *dst = dstMat.ptr<uint8_t>(row);
for( k = 0; k < len; k++ )
{
dst[k] = saturate_cast<uchar>(std::sqrt(rawDst[k] * nrm1)*SIFT_INT_DESCR_FCTR);
}
} }
}
#endif #endif
} }