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Hi,
happy new year for you too:)
you are right, when IPP filter uses border pixels you need somehow define them. For example, you can allocate buffer for your image with some extension, to keep 2 lines and 2 columns more than your image actually use. The method to define those extension pixels can vary depending on your application needs, the simplest one is just to set extended pixels to zero. Or you can use IPP functions like ippiCopyReplicateBorder for other options.
Regards,
Vladimir
Message Edited by vdudnik on 01-12-2006 12:57 PM
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I want to filter an Image Ipp32f with a gaussian filter. So I follow your advice and try to use ippiCopyReplicateBorder. But ippiCopyReplicateBorder can't copy Ipp32f image!
Is there another ipp fonction to do this? or I will replicate border "by hand" ?
Thank you very much
damien
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Hi Damien,
you are right, we do not have special copy function for 32f data type. But as it just copy operation, I think you can use ippiCopyReplicate for Ipp32s data type because of the same size of data element. It is probably not the nice solution, but it should work and work fast.
Regards,
Vladimir
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