[Insight-users] "Look-up-table" suggestion

[Shlomo Kashani]

Hi Martin,
What type of filter are you working on? Maybe there is an alternative as in
the case of a Gaussian derivative were instead of differentiating an image
you differentiate the Gaussian kernel and convolve with the image. I am nor
sure if your case can benefit but it would be helpful if you post the
filtering operation you are trying to perform.

Shlomo.
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