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fixed incorrect sign of the result of the convolution with normalized asymmetric kernels (ticket #779)

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Vadim Pisarevsky
2010-12-29 23:44:12 +00:00
parent 6b8b42bb8a
commit 4ad938afcc
1 changed files with 2 additions and 4 deletions
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6
modules/imgproc/src/filter.cpp
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@@ -1596,8 +1596,6 @@ struct SymmColumnVec_32f
{
f = _mm_load_ss(ky+k);
f = _mm_shuffle_ps(f, f, 0);
S = src[k] + i;
S2 = src[-k] + i;
x0 = _mm_sub_ps(_mm_load_ps(src[k]+i), _mm_load_ps(src[-k] + i));
s0 = _mm_add_ps(s0, _mm_mul_ps(x0, f));
}
@@ -1724,8 +1722,8 @@ struct SymmColumnSmallVec_32f
for( ; i <= width - 8; i += 8 )
{
__m128 s0 = d4, s1 = d4, x0, x1;
x0 = _mm_sub_ps(_mm_load_ps(S0 + i), _mm_load_ps(S2 + i));
x1 = _mm_sub_ps(_mm_load_ps(S0 + i + 4), _mm_load_ps(S2 + i + 4));
x0 = _mm_sub_ps(_mm_load_ps(S2 + i), _mm_load_ps(S0 + i));
x1 = _mm_sub_ps(_mm_load_ps(S2 + i + 4), _mm_load_ps(S0 + i + 4));
s0 = _mm_add_ps(s0, _mm_mul_ps(x0,k1));
s1 = _mm_add_ps(s1, _mm_mul_ps(x1,k1));
_mm_storeu_ps(dst + i, s0);