FFT_RGB Photoshop plugin (re-written to open source)

Started Jan 8, 2018 | Discussions thread
Ronald E. Chambers
OP Ronald E. Chambers Senior Member • Posts: 1,237
Re: FFT_RGB Photoshop plugin (re-written to open source)

Andreas Boger wrote:

This is a very nice plug-in. Nevertheless, I'd like to suggest the author to consider a version, witch could handle CMYK pictures as well (not only RGB). In per-channel mode this could proof beneficial for removing printing patterns, as the most printing processes are CMYK based.


Thanks for the interest and recommendation.  I played with CMYK FT at one time on raw CMYK info and compared to RGB and what was suppressed in both were within a hair's width so decided to do only the RGB.  CMYK is 33% more costly and buys nothing.  Most files I found were RGB anyway.  The way the algorithm works has little color separation but uses the spikes seen in KxKy space are suppressed.


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