Questions tagged [denoise]

Denoising is the processes of getting clear signal (image) out of a noisy one usually by smoothing out the signal around a local neighborhood (a couple of pixels around the target pixel).

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78
votes
6answers
106k views

How to avoid noisy renders in Cycles?

I know that this question is a bit old or maybe overdone, but I'm running the latest edition of Blender and when I use the Cycles engine I get really fuzzy results and I can't find a simple, non-...
18
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3answers
25k views

How to properly denoise renderings?

Since the Denoise feature was added to Blender I only use the default setting with it and it really does the work. But sometimes the denoise is noticable on some of my renders. How can I overcome the ...
5
votes
1answer
2k views

How to properly connect the Denoise node in Compositor?

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.
3
votes
1answer
2k views

Problems with denoising in rendering

I'm starting to take my first steps in Blender. I recently did the BlenderGuru's light bulbs tutorial. I have problems with rendering. The two images attached were rendered using Cycles (Blender 2.79),...
5
votes
1answer
397 views

Type of Denoiser built into Blender

As far as I know, Blender seems to have three denoisers. The default denoising feature in the view layer tab The denoising feature displayed in the view layer tab when optix is enabled The denoise ...
3
votes
2answers
1k views

Why does Denoising take up so much memory?

I tried to render my scene with the new 2.79 Denoiser. During the Rendering Process everything was fine, my memory peak was about 1000M but as soon as the Denoising started it suddenly shot up to ~...
5
votes
1answer
3k views

Which denoiser is better?

In blender 2.81a, there are two denoising tools: Under layer properties, you can scroll down and enable denoising Also in layer properties, you can check "denoising data" under passes > data and in ...
7
votes
1answer
735 views

How to denoise animations using Blender's Temporal Denoiser?

I've been diving into the secret Blender Animation Denoiser function mentioned in February of 2019 by Pablo and documented on the Developer Site. Here are some things I figured out after digging ...
3
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1answer
483 views

Where is the denoiser?

Can someone tell me where this denoiser is? I know it's in the renderlayetab, but i can't find it i can only find view Thanks
6
votes
1answer
15k views

How do I use the cycles Denoiser?

For quite a while, I have been using realtime GLSL shading for most of my projects. I decided to re-vist cycles after hearing about how awesome the new denoiser is. What does the denoiser actually do, ...
4
votes
1answer
3k views

Where is the denoise option in 2.90?

I was using the denoise option in Blender 2.8, but cant seem to find it in 2.90. The documentation refers to the "Render Layers" but it doesn't seem to be there either. When I open an older ...
14
votes
2answers
7k views

Denoising option grayed out

I would like to use new denoising feature for cycles in blender. I downloaded latest build for blender (blender-2.78-81d7ff8-win64). When I open my project the ...
14
votes
1answer
1k views

What are the denoising passes useful for in 2.79 experimental feature set?

In 2.79 when experimental feature set is activated, there are some new passes available to the compositor if Denoising is enabled. The new passes that are there after rendering the denoising pass ...
3
votes
1answer
779 views

Is there a way to make denoising work in the Cycles viewport?

I saw this in other renderers, such as the Radeon ProRender or V-Ray and was wondering if there's an Add-on or Build for Blender to work around the limitations of Cycles' Denoiser.
2
votes
1answer
341 views

Why do I have 'glitched' areas in my render after enabling denoising? [duplicate]

I am a newbie to blender and i found a 'Denoiser' option and decided to use it. I found out its function but it seems to create these 'glitched' areas in one of my renders. What are they and how do i ...
3
votes
0answers
327 views

Why is my render result disappearing after denoising? [closed]

I wanted to denoise my image in compositing. I don't know why it is disappearing after connecting with denoiser. Edit: I solved deactivating Progressive Refine from Render Properties > Performance > ...
2
votes
1answer
77 views

How to render alpha channel and depth map quickly without having to re-render the whole animation?

So I've finally managed to complete my first animation, it's an animated version of a scene build I created and I decided to outsource it to a render farm for completion. Now that I've got it, I've ...
2
votes
1answer
696 views

Denoising Animations in Cycles

I've made a simple animation in blender 2.81a and am now trying to render it. My system specs: CPU i7-6500U; GPU Nvidia Geforce GTX 950M; RAM 16gb DDR4 So far, I've done two test renders (both in ...
2
votes
2answers
170 views

Can't Get New Intel Denoiser to Work on Projects

I've been following along on all the tutorials I can find to make this happen, but my denoiser node doesn't seem to have any effect whatsoever when I apply it. Where am I going wrong? Thanks in ...
1
vote
2answers
350 views

Blender Python and pass settings

Try this: Manually set checkbox "Denoising Data" on Log shows bpy.context.scene.denoising_store_passes = True Copypaste exactly that into console and hit enter ...
1
vote
1answer
84 views

What is the difference between NLM vs Open image denoise? [duplicate]

What is the difference between NLM vs Open image denoise? also what is the "denoising data" in view layer properties?
1
vote
1answer
3k views

Denoise is missing in 2.79

I just downloaded the official release of 2.79, and I'm missing the Denoise feature in my Render properties. Is there some step I'm missing in order to activate it?
1
vote
1answer
698 views

How do I make this render look better? [duplicate]

I cant manage to get the right render settings for this image. if you look at the render closely you cant see the poor quality. The denoiser in blender makes the image look smudged. Here's the ...