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DPChallenge Forums >> Individual Photograph Discussion >> Help needed (highly undesirable banding patterns)
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Showing posts 1 - 3 of 3, (reverse)
AuthorThread
11/09/2013 03:30:10 PM · #1
Hi guys, I shot the shiny whisk you see below
on a high-gloss (jet black) floor tile. I shot in
RAW (NEF uncompressed 14bit D700). In camera I see no
banding whatsoever. Upon opening up the file in
Lightroom it also looks fine. But as soon as I
desaturate the image or convert to B&W the black tile
starts to band-out. Perhaps the problem was always there
but the original colour image masked the problem?

I've never seen this before. Can anyone put a name
to this problem?

SW.



Message edited by author 2013-11-09 15:38:28.
11/09/2013 03:41:20 PM · #2
Typically, adding noise helps this. Go to filter/noise/add noise, and add 1-2% of noise. Uniform should be OK here. You don't want the whole image noisy, so lower the opacity until the affected layer looks better, then mask the affected area and voila, you should be good to go.

Forgot to add that you should duplicate the layer and do the filtering there :0


Message edited by author 2013-11-09 15:42:37.
11/09/2013 05:30:53 PM · #3
Thank you Rob. I applied 0.5 noise.

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