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Chaos Corona Forum
Chaos Corona for 3ds Max
[Max] I need help!
VFB saturation produce noise
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Topic: VFB saturation produce noise (Read 1948 times)
2017-09-17, 19:48:37
sprayer
Active Users
Posts: 794
VFB saturation produce noise
http://imagizer.imageshack.com/img923/8492/rkIzW0.png
http://imagizer.imageshack.com/img924/5039/syibEB.png
Is this bug? denoise is on
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2017-09-18, 10:14:30
Reply #1
maru
Corona Team
Active Users
Posts: 12711
Marcin
Re: VFB saturation produce noise
I think this is expected, since any small differences between colors will be exaggerated with boosted saturation.
Actually disabling denoising might help, because "splotches" like this would not appear then. :)
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2017-09-18, 10:31:40
Reply #2
romullus
Global Moderator
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Posts: 8779
Let's move this topic, shall we?
Re: VFB saturation produce noise
I noticed that too - saturation is super picky about otherwise invisible noise. Maybe it has something to do with in which order or in which colour space saturation is applied?
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2017-09-18, 11:08:45
Reply #3
Juraj
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Posts: 4743
Re: VFB saturation produce noise
That definitely looks undesireable.. almost like bug.
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2017-09-18, 11:54:54
Reply #4
sprayer
Active Users
Posts: 794
Re: VFB saturation produce noise
Quote from: maru on 2017-09-18, 10:14:30
Actually disabling denoising might help, because "splotches" like this would not appear then. :)
Yes i think too what denoise was involved somehow. Also saturation makes darker at shadows as you can see. I was have to change saturation in photoshop.
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2017-09-18, 13:03:48
Reply #5
Ludvik Koutny
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Posts: 2557
Just another user
Re: VFB saturation produce noise
It's not expected, it's probably just an order of operations issue. It should be fixable, but the fix could possibly introduce issues somewhere else.
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Chaos Corona Forum
Chaos Corona for 3ds Max
[Max] I need help!
VFB saturation produce noise