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How to avoid banding effect on gradients?

Hello dreamstimers... i have many rejections by this reason:
Banding effect on gradients. Gradients and color transitions should be smooth, gentle and without color lines.
Any suggestions?
Posted: 1 minute ago
Perhaps, THIS THREAD could help.
7d + lenses: Canon EF-S 15-85mm/3.5-5.6 IS USM & EF 100mm/2.8 USM Mac...
Posted: 1 minute ago
Thanks! I try it but i don't see difference .....
Posted: 02/24/2013, 06:37:09 AM
What I do is:

select the area.
contract the selection by one pixel
promote the selection to a layer
apply gaussian blur (6.00)
add 2% noise

usually that does it, and I can deselect and merge.

Sometimes I have play with it a little bit more.

Nikon D70, standard lens
Posted: 02/25/2013, 09:43:01 AM
Hello TMarchev, if you use it properly, i assure you it works just perfectly. If you need help just post in the thread and i try help you. ;) Bye.
Be curious.
Posted: 02/27/2013, 03:54:34 AM
Now it works fine ! :} Thanks so much to all for support! Have a nice day.
Posted: 02/27/2013, 04:00:10 AM
I'm glad you solved the problem! See you around.
Be curious.
Posted: 02/27/2013, 04:35:42 AM
The one reason of banding is that you don't have enough colors to get a smooth transition. I generally get banding on 8bit pictures. Altough I'm not an illustrator, as Therealdarla mentioned, I generally add some little noise in the banding area, it creates a nice transition and pouf! banding is gone :)
Nikkor 35mm f2.8 - Nikkor 50mm f1.4 - Nikkor 50mm f1.8 - Tam...
Posted: 02/28/2013, 04:36:33 AM
The action about i did talk here does it automatically (converts psd 8-bit to 16-bit and adds dither gradient for noise, then, pastes all layers in a new 8-bit file without the banding).

I think an action is usefull in this case, because you can working on a normal 8-bit psd (much less heavy), and later fixing the issue. Just with a couple of click, every time you need it. ;)
Be curious.
Edited: 02/28/2013, 05:38:37 AM