topic Re: IppFilter usage in Intel® Integrated Performance Primitives

IppFilter usage

shyweissman — Mon, 18 Sep 2006 22:32:50 GMT

I am using the following filter : 0 0-2 0 0

0 0 10 0

-21 6 1 -2

0 0 1 0 0

0 0 -2 0 0

it is writen in code ifresult > 255 result = 255

ifresult < 0 result = 0.

I am looking for a way to use ippfilter or any other ipp routine to speed it up.

Any Suggestion?

Thanks.

Re: IppFilter usage

Vladimir_Dudnik — Wed, 20 Sep 2006 02:02:48 GMT

Hello,

did you see ippiFilter_8u functions?

Regards,
Vladimir

Re: IppFilter usage

Intel_C_Intel — Wed, 20 Sep 2006 14:21:57 GMT

Hi,

There is no special function for such kernel. The possible way is to use therow filter for kernel {-2 1 6 1 -2} and the column filter for kernel { -2 1 0 1 -2} (see separable IPP filters0 and add their outputs. To enhance performance it may be organized as a pipiline.

Regards,

Alexander

Re: IppFilter usage

shyweissman — Thu, 21 Sep 2006 21:29:10 GMT

Thank you very much