spectrumhist and greyscales

A plethora of command-line scripts that perform geometric transforms, blurs, sharpens, edging, noise removal, and color manipulations.
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fmw42
Posts: 25566
Joined: 2007-07-02T17:14:51-07:00
Authentication code: 1152
Location: Sunnyvale, California, USA

Re: spectrumhist and greyscales

Post by fmw42 » 2014-04-02T14:19:13-07:00

-desaturate and -colorspace are not the same process and so one cannot make a fair apples to apples comparison of the number of colors.

greengrass
Posts: 10
Joined: 2014-03-31T18:50:34-07:00
Authentication code: 6789

Re: spectrumhist and greyscales

Post by greengrass » 2014-04-02T15:18:37-07:00

fmw42 wrote:I have modified the script to use -posterize when color reducing grayscale images. I also added a background color argument. So give this a try and see if that gets what you want.
I just finished testing the latest. Yes, it works. Thanks again for all your help and time.

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