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Hi,

IPP has functions ippiFilterRow and ippiFilterColumn for applying seperable 1-dimensional filters to an image.

I had hoped that the in-place versions of these functions would implement a recursive filter, ie: y* = k _{1}y[i-1] + k_{2}y[i-2] + ... which updates y after computation and uses that as the next value for (what will become) y[i-1]. My initial tests seem to indicate that this is not the case. Is this expected? If it is expected, is there functionality available in IPP for recursive 1-dimensional filters (going in both the forwards and backwards directions)?*

Thanks

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Thanks that's exactly what I need.

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