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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
}
#else
float* dst = dstMat.ptr<float>(row);
float nrm1 = 0;
for( k = 0; k < len; k++ )
{
@ -858,20 +857,22 @@ else // CV_8U
nrm1 += rawDst[k];
}
nrm1 = 1.f/std::max(nrm1, FLT_EPSILON);
if( dstMat.type() == CV_32F )
{
for( k = 0; k < len; k++ )
if( dstMat.type() == CV_32F )
{
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
{
for( k = 0; k < len; k++ )
else // CV_8U
{
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
}