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videosean 10-21-2011 06:31 AM

Re: Here is FFT for 64 bit photoshop
Another one here with empty red channel (all white) after FFT is applied. Here are my steps to make it happen:

1, scan photo (5x7 inch @ 1200 dpi) to .tif file
2, open in photoshop
3, crop image to remove borders that I don't want (and may be causing another problem in FFT)
4, Run FFT = empty red channel.

If I do not crop the image I scanned I can run this FFT filter and get a normal red channel.

Scanned image details:
original scan is 8515 x 6127 pixels, the cropped image is 7971 x 5634 pixels, 8bit rgb all the way.

I tried an image resize and canvas resize after cropping to get pixel dimensions divisible by 8 and that did not help either - still get empty red channel with this FFT filter... not sure why i thought that might make a difference but tried it.

So it looks like if I want to apply this FFT filter to a cropped version of this image I will have to scan it cropped tighter. - this is what I get if I run FFT (and get a good red channel), make no changes, then run IFFT. I was thinking maybe the border is the problem here but cropping introduces the bad red channel problem :/


rescanned cropped tighter, 8030 x 5642 pixels, 8bit rgb, empty red channel when doing FFT :(

curtistealer 04-01-2012 09:07 PM

Re: Here is FFT for 64 bit photoshop
Does anyone has a copy for this zip file? The link is dead for now..
Please help me out.

charales1969 04-11-2012 06:00 AM

Re: Here is FFT for 64 bit photoshop

I'm using Photoshop CS5 Extended on a Mac Pro with OSX 10.6.8

I downloaded the files and copied the "DetailMeasure.plugin", the "FFT.plugin" and the IFFT.plugin" files to the Aplications/Adobe Photoshop CS5/Plug-ins folder but I don't see them whe I open Photoshop.
Am I missing an installation step or doing something wrong?

Thank you

Chain 04-11-2012 07:53 AM

Re: Here is FFT for 64 bit photoshop
The plugin was Windows only unfortunately (the original poster did not have access to a mac so he could not try to make it compatible).

Bogart's Hat 09-23-2012 04:10 PM

Re: Here is FFT for 64 bit photoshop
I came across this thread while searching for a 64-bit FFT plug-in for CS5. It appears that there is one, but the link in the first post is dead. Chain (or anybody who has downloaded it), how can I get a copy?

Cadencia 09-24-2012 03:03 AM

Re: Here is FFT for 64 bit photoshop
OK. Sorry, the original link had to be removed because of lack of space.

I have planted it in dropbox here:


Chain 09-24-2012 11:03 AM

Re: Here is FFT for 64 bit photoshop
Here, I uploaded my copy to my own site as a mirror.
Don't want this excellent plugin to disappear off the net! :)

Here are two animated gifs showing how useful it can be: (remove paper texture) (remove raster pattern)

Cheehad 11-09-2012 04:34 AM

Re: Here is FFT for 64 bit photoshop
Chain, you are a lifesaver ! Thank you ! :)

bernardc 11-26-2012 10:49 PM

Re: Here is FFT for 64 bit photoshop

I put the files in the plugin folder along with the dll.
You're supposed to put the dll in the Photoshop root folder, not in the plugin folder.

I'm getting the red-channel-white problem also.

Eurodriver 7 02-18-2013 09:45 AM

Re: Here is FFT for 64 bit photoshop
I have Photoshop CS5 running on an iMac - I'd be happy to lend it to you to help develop an FFT that works on the Mac. Where are you based?


Originally Posted by Cadencia (Post 289980)
I have modified Alex Chirikov's FFT routines to run in 64 bit Photoshop, and process 16 bit images. The software may be downloaded from:

I make no promises, but would appreciate feedback.

You can process either 8 or 16 bit images in either 32 bit or 64 bit photoshop.

There are no image processing enhancements except as noted above. However, the buffer usage has been improved, and there is no limit on image size other than the available RAM in your PC. Note - not Mac. If someone will lend me a Mac with Photoshop installed, I'll make it go, but I don't have such a thing myself.

The Chirokov code was available in the public domain with no specific license attached. However, it makes use of the fftw library, which is published under the GNU license, which inter alia provides that any software using it must also be published under the GNU. This means you must publish the source, and it must be free.

* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.

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