How to posterize JPEG?

Discussion in 'Digital Photography' started by Tumbleweed666, Jun 28, 2009.

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  1. Tumbleweed666, Jun 28, 2009

    Tumbleweed666 macrumors 68000

    Tumbleweed666

    Joined:
    Mar 20, 2009
    Location:
    Near London, UK.
    #1
    I have a couple of pictures I'd like to posterize, eg reduce to maybe between 4-16 colors only. Can this be done with iPhoto and if so how, or if not, what else could I use that's free ? (for an experiment with 2 photos buying something seems over the top) . I took a look at the iPhoto help but couldn't find anything.
     
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  2. telecomm, Jun 28, 2009

    telecomm macrumors 65816

    telecomm

    Joined:
    Nov 30, 2003
    Location:
    Rome
    #2
    No, iPhoto doesn't do this. I'd use the GIMP.

    If you're on Leopard, you'll also need to install X11 before the GIMP. You can get it here.
     
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