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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4
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1answer
236 views

How does a denoiser work?

Recently I tried blender+cycles with denoiser turned on, and it's just awesome. I can use much fewer samples to get a better image. I became curious how does a denoiser work internally. I guess it's ...
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1answer
4k views

denoise node not available under compositing in blender 2.8

I was following blender gurus new donut tutorial. after modelling the donut, i rendered it once, went into compositing to add a denoiser node to the rendered image. but if i search it, its not ...
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2answers
181 views

Blender is rendering my short animation too slow!

I have a small problem that I just encountered. My Cycles render is too slow, even though I just need to render 120 frames total! It takes literally 4 hours to render 1 frame, and now on my third ...
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1answer
394 views

Using D-Noise for denoising photos

has anyone tried using the Optix denoiser (D-Noise plugin) to remove noise from photo, not just render ( on which it works marvelously)? In compositor or image editor tab, i have the D-Noise button, ...
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2answers
674 views

High noise with emission materials

I'm doing a render where the lights mostly come from emission materials applied to objects in the scene using cycles, I've tried using ridiculously high samples but the noise is still very obvious. Is ...
2
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1answer
290 views

Problem with fireflies and denoise on surfaces

Lately I have this problem with my renders when after rendering I get weird light effects (fiereflies) especially on walls that are just plain coloured. Like in this render ( It's closed room with 5 ...
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1answer
249 views

Is there a way to make render preview less fuzzy

I know how to make my final render without noise or grain. But my preview render is always grainy/noisy. Is there a way to fix this?
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1answer
595 views

Blender 2.8 Cycles Denoiser produces banding [closed]

This is the image with denoiser: This is the image without the denoiser Turning on Dither made the image with more noise, like I didn't use the denoiser at all.
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0answers
24 views

How do I fix the Denoiser's cloudy render glitch? [duplicate]

I have another problem. I've been trying to create a render of my IES light with the Denoiser,but when I do,a weird cloud/noise effect appears in the render. Could someone please help me?
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2answers
2k views

How to use “Denoise” on a secondary rendered image

I can achieve that by rendering the image 2 times, but only using denoise on the first image. But that would double my render time, so i can't do that. I want to use denoise, but on some places of ...
12
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1answer
2k views

How to utilize the denoise passes to build a denoise node network in the compositor

I've built custom denoising node networks before in houdini's compositor, using raw passes combined with noise reduction nodes, but I'm not sure how to utilize the various blender denoiser passes to ...
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0answers
921 views

Blender 2.8 beta Denoise bug?

I have this problem when I am rendering in Cycles, the render takes the time to process the denoise tiles, however, I have unchecked the denoising filter in view layer tab. I also turned off any ...
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1answer
443 views

Looking for help on how to use the new denoising data

Recently in Blender 2.8 and 2.79 Master a new set of render passes have been made available to the user, "Denoising Data". I have a few questions: How would someone use this information? and is it ...
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1answer
692 views

How you denoise renderered images in Blender?

I am wanting to use Blender as a denoiser as well as a renderer, but I can't find how to bring an image in and denoise it in the compositor. I have tried using the despeckle node but I still can't ...
3
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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.
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1answer
699 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 ...
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1answer
2k views

Denoising in viewport?

Is it possible to enable the new (2.79b) denoising feature in the viewport? It works great for me in renders, but I can't find a way to apply it in the viewport.
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1answer
56 views

Use denoiser on certain frames of animation

Denoiser wastes quite a time on empty renderlayer (about 2 mins for 1080p), but its checkbox can't be keyframed and even LMB's Copy data path is greyed out (so, no scripting I guess). Animating ...
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0answers
47 views

Noisy Animation

I'm new to Blender. I just animated a waterwheel but the water seems very noisy and grainy. Can anyone help me to sort this out ? I rendered this with Cycle's rendering engine. I don't have a GPU in ...
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0answers
33 views

Any way I can remove these fireflies/noise? [duplicate]

I have made a model of an apartment and I am trying to get rendered images from the individual rooms and in the end in orthographic view but no matter what I do there is too much fireflies or noise. ...
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0answers
27 views

Rendering - Noise issue [duplicate]

This is my first post in Blender. I'm currently working on this sugarcane's project, But The rendering result cause a lot of noise or flicking issues. can any one give me a advise? I got turn on ...
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0answers
2k views

Best settings for denoising in Cycles

I am working on a project and I am using the Cycles render engine. Denoising usually seems like a good option but the image does become a little blurry when I use denoising with the default settings. ...
2
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1answer
509 views

Denoising Not Showing In Blender Cycles

Ive gotten blend 2.79b and I heard about the denoising feature. I went into the render layers tab but it's no were to be found. I'm in cycles render.
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0answers
71 views

Denoiser messing up final render [duplicate]

I have a problem with the denoiser, I need it but it's messing up final render. Everything seems right. Then when denosier comen in. Presets are default and this is the first time this happens, ...
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1answer
1k views

Denoise is not showing in the Scene tab

I am using version 2.79, yet the Denoise option is not showing in the Render Layer Scene Tab.
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2answers
7k views

Noise on glass in cycles

I cannot get rid of noise/fireflies in my glass shattering scene, rendering with cycles. I've tried all of the following suggestions: Increasing Samples (up to 4000, still tons of noise) Filter ...
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0answers
338 views

Cant remove fireflies around emission object (volume scatter)

Ive tried everything turning off caustics, ive turned on simplify, denoising is on, multiple importance is on, increased transparency, filter glossy all the way up to 10 (although there isnt glossy ...
0
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1answer
640 views

Denoiser slows rendering too much

Suzanne on transparent background with 1 sample and denoiser is rendering slower than at 100 samples and no denoiser. PC specs: Ryzen7 1700 (stock), GTX 1050ti, Win10 64bit v.2.79a, CPU+GPU, 1980p, ...
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2answers
1k views

Denoising not working with GPU

I have this problem, when I try to enable denoising when rendering with my GPU only I get a completely black rendering. When I render with CPU+GPU I get black tiles. I´m running Blender on an iMac ...
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0answers
527 views

Pixelated light in final render [duplicate]

I've rendered my final scene but the emitting light from the bulb shows a weird pixelated shade at the base and on the bulb... however it seems like its clear in the viewport render. Any ideas? Is it ...
0
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1answer
146 views

How to take away shadows where I don't want them?

i only want to have the shadow of the rope showing, but as you can see somehow shadows are being cast onto the layers which doesn't look good. I'm pretty new to blender and tried to mess with the lamp ...
2
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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 ...
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0answers
918 views

Denoising is giving my strange artifacts [duplicate]

I have this material, that is a subsurface and because some reason when the denoise is applied it gives my really strange artifacts only in the red parts(the oxidized metal is other object).
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1answer
1k views

Weird noise when using denoise [duplicate]

i had these weird noise on my render i had changed render settings even every object material, and it's not solved Maybe anyone can help?
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
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2answers
2k views

Shadow-catcher stays noisy even with Denoising - also very dark

I am facing some issues with the shadow-catcher and denoiser in Blender 2.79. Denoising doesn't seem to have any effect on shadow catcher shadow. If I turn off shadow catcher on ground plane the ...
6
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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, ...
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
3
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1answer
1k views

Partially high noise using glass material [duplicate]

I created a simple bottle and applied a glass material using the new principled shader. When it comes to rendering the surface of the bottle turns out incredibly noisy, except the part on the front ...
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),...
2
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1answer
747 views

How do I get denoising to work for all OpenEXR passes?

With the new Denoiser function, we're finally able to drastically reduce the samples in our scene without having to worry about the noise to much. I'm rendering my scene with less samples now (500 ...
1
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0answers
681 views

Is there any technical reason why the denoiser isn't a compositing node?

I enjoy having the option to denoise renders in Blender 2.79. However, it seems like it would be much more intuitive if there was a denoising node in the compositor for a number of reasons. For ...
1
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1answer
363 views

Use cycles's denoiser on multi-layer EXRs

The built-in denoiser that comes with Cycles in Blender 2.79 is awesome. Sadly, it's come too late to use in a current project... However, I have multi-layer EXRs containing all the render layers from ...
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0answers
360 views

Smeared dots with Denoise 2.79

I'm new to this world. I was rendering a test scene, to see differences of using the Denoise feature. Anyone know why the Denoise version (bottom image) has these weird smeared dots in them?
5
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2answers
1k views

denoise a rendered image

Is it possible to use the denoiser of blender on an already rendered image, considering it will be rendered using blender ? (the reason being I'd like to use the resumable render via blender's command-...
1
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0answers
401 views

Artifacts using denoise

I did this tutorial, and when I render there is an artifact like in the image below. I'm using the last macOS with an AMD 560, and if I don't include denoising everything is fine. Can someone tell me ...
5
votes
1answer
1k views

How to have Denoiser ignore certain objects?

I have a scene with some objects that have image textures. Denoising the entire scene makes the image textures on certain objects to look less sharp. How do I get Blender to denoise an entire scene ...
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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?
3
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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 ~...
1
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1answer
674 views

Noise Texture Glitch when using denoise

Hey,everyone. I created a PBR FNaF plastic material and when I render it with low samples and use the Denoising feature,it blurs the Noise Texture and makes it really hard to see. It's supposed to ...