This posterization should go away if you work in 16 bits *from the
begining* . If itīs not possible, then adding some noise to the
offending area should work.
HTH,
Rodolpho Pajuaba
beth@teahousehome.com escreveu:
>"Posterization?" When what should be a smooth gradient comes out in as
>distinct steps? That's happened to me. To fix it, I've tried selecting
>and replacing the sky with one flat tone (a major pain); decreasing midtone
>contrast; and also darkening or brightening the highlights and THEN
>adjusting the contrast, which seemed to move the steps closer together so
>the stripes aren't so obvious.
>
>I'd love to hear a more efficient solution. (Aside from shooting with a red
>filter, which does make the sky much flatter, but isn't always an option.)
>
>Elizabeth
>www.aegraves.com
>
>
>
>
>
Received on Tue Nov 8 05:21:40 2005
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