Could anyone help me with the "banding" or "mouire patterns"?

Started Dec 27, 2013 | Discussions thread
Xiaomao
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Re: Could anyone help me with the "banding" or "mouire patterns"?
In reply to miles green, Dec 27, 2013

miles green wrote:

Mark Ransom wrote:

It's not moire.

I see the bands you speak of. I can think of two possible causes - first is that you enhanced the brightness of this image significantly during post processing, causing posterization. Second is that you used a very low quality JPEG setting causing visible artifacts.

Yep, I think it's No.2, the "bands" are jpg compression artifacts. In other words, the jpg doesn't have enough colors to accurately display the gradients.

Images with such smooth tones need top quality jpgs. I would use a 16-bit tiff to print.

Lovely image btw!

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Miles Green
Pentaxian with chronic LBA
Corfu, Greece

Hi, Miles! Thanks for taking your time to make it clear to me why there were such bands. I'll try to export the DNG files to TIFF files and hope the bands would be smoothed out.
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Best regards,
Yang

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