After enabling Denoising Data pass, there are now two image outputs:
- Image
- Noisy Image
Which should I use with the Denoise node? Blender Manual doesn't cover it.
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asked Apr 9 '20 at 11:39
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1$\begingroup$ Note that the options to enable denoising have moved in 2.9 i.stack.imgur.com/mwowD.png $\endgroup$– susuSep 9 '20 at 20:23
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$\begingroup$ Thanks for the update, and also for improving the answer :). $\endgroup$– Jachym MichalSep 10 '20 at 6:03
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When in doubt, use the Image pass.
Image
- provides unmodified render result
- output also comes denoised by the Internal denoiser if it's enabled
Noisy Image
- provides a Despeckled image (useful when render has fireflies)
- may cause bad shadow artifacts for low sample counts
Further Reading:
Denoise node in Blender Manual
How to use Intel denoiser in Blender
answered Apr 9 '20 at 11:39