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problem when using ordered dithering

Posted: 2011-09-13T05:35:42-07:00
by webshaker
Hi.

I've tryed to reduce the color number of this image
http://www.webshaker.net/apple.png

I used this command
Convert apple.png -ordered-dither o8x8,32,64,32 apple-bayer.png

And finally I obtained this picture
http://www.webshaker.net/apple-bayer.png

It seem's that there is a saturate problem !!!

Etienne.

Re: problem when using ordered dithering

Posted: 2011-09-15T07:42:31-07:00
by Jason S
What version of ImageMagick are you using? This bug does exist in old versions, but I can't reproduce it with v6.7.2-4.