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Fix anchor for small symmetrical column filters.

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In the unoptimized version of small symmetrical column filters, when we
try to detect if the kernel, ky, is equal to [1;2;1] or [1;-2;1] we
should take into consideration that the anchor points in the middle
element.
This commit is contained in:
orestis
2014-11-19 23:12:58 +02:00
parent ba9bc2d72f
commit a7757b0eb6
1 changed files with 2 additions and 2 deletions
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4
modules/imgproc/src/filter.cpp
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@@ -2613,8 +2613,8 @@ struct SymmColumnSmallFilter : public SymmColumnFilter<CastOp, VecOp>
const ST* ky = this->kernel.template ptr<ST>() + ksize2;
int i;
bool symmetrical = (this->symmetryType & KERNEL_SYMMETRICAL) != 0;
bool is_1_2_1 = ky[0] == 1 && ky[1] == 2;
bool is_1_m2_1 = ky[0] == 1 && ky[1] == -2;
bool is_1_2_1 = ky[0] == 2 && ky[1] == 1;
bool is_1_m2_1 = ky[0] == -2 && ky[1] == 1;
bool is_m1_0_1 = ky[1] == 1 || ky[1] == -1;
ST f0 = ky[0], f1 = ky[1];
ST _delta = this->delta;