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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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1answer
27 views

I see a lot of noise and fireflies with Glass BSDF Shader

I made a cube in Blender. The cube has BSDF Glass shader. When I render it there is a lot of noise and fireflies. I tried everything: Change clamp, change light bounce, denoising, glossy filter, more ...
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40 views

My glass has a smudge

I made a cup with a glass by setting transmission to 1 and roughness to 0. So I somewhat made it like above. However, As you can see if you zoom in it. there are several points to improve such as ...
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23 views

Blender 2.81 denoising

Is there a reason to use Blender's (ordinary) denoiser when using Blender's Intel Open Image denoiser?
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47 views

How to Use D-Noise in the Compositor?

Basically the question. Usually, I let Blender save some additional render passes (mostly ID masks) together with my main rendering for later, in-depth compositing. In the compositor, I pick the image,...
4
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1answer
54 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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18 views

2.8 Desnoising not showing up with animation?

So I recently downloaded the ai Denoiser for Blender 2.8 and it's working fine when I hit F12 to render an image. However when I'm rendering an animation it doesn't do anything. I'm still a bit new ...
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28 views

2.81 Alpha: Intel Denoiser has no effect

I'm new to blender and worked my way through Blender Gurus 2019 donut howto. In one of his videos he explained how to enable Intels AI denoiser, which did a fantastic job. Even with only 64 samples I ...
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1answer
225 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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1answer
26 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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0answers
16 views

RGBa noise effect based on/ influenced by pixel values

I'm looking for a way to exactly or closely reproduce the Noise effect seen here in Paint.net The noise seems to be influenced by the image data itself, to a tunable extent. There are no tags for ...
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17 views

How to fix noisy out-of-focus specular highlights

Any ideas on how to fix noisy out-of-focus specular highlights. See attached image to get a better idea of what I'm trying to fix. All my render setting are set up for quality over speed, but clearly ...
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1answer
166 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
70 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 ...
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0answers
29 views

Why does the render look different than the preview? I get this dirt looking thing. Is this caused when blender denoises the render?

Why does my render look different than my preview? I get this dirt looking thing. Is this caused when blender denoises the render? Render picture Preview picture see the dirt on the black parts?
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0answers
75 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
60 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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0answers
44 views

Help with lines/noise in Evee

i'm getting noise in my evee renders, i'm not very familar with evee so I have no idea how to fix it, here's a screenshot to show what the noise i'm getting looks like here: The red mark is caused by ...
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1answer
286 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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22 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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1answer
100 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 ...
9
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1answer
883 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
851 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
266 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
172 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 ...
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1answer
225 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
335 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
1k 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
45 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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42 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
25 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
1k 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. ...
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1answer
296 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
52 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
543 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
3k 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
240 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 ...
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1answer
323 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
465 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
146 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 ...
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1answer
89 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
260 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
723 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
800 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?
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3answers
16k 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 ...
4
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2answers
615 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 ...
5
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1answer
8k 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
424 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
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1answer
1k 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),...