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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24 views

Blender 2.83 Optix Viewport Denoising Not Enabled for Multi GPU systems?

I'm using a multi GPU win 64 system and I was hoping to try out the new Optix viewport denoiser in the latest daily build of Blender 2.83. In the preferences menu, Blender recognizes my CUDA ...
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AI denoiser removing detail

I've created a simple procedural wood texture for a ceiling fan I'm modeling. Unfortunately the usually excellent AI denoiser from 2.81 is smoothing out most of the texture details. Any suggestions ...
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How to speed up render time for 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 ...
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131 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 ...
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Why is my render losing detail and color in cycles while using the AI denoiser?

Here is my cycles still, I'm rendering 3840 x 2160 and tried 250 samples with denoiser and it loses detail and the color is much dimmer. Any suggestions please? Do I need to add light passes? And if ...
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18 views

De-noise pre-rendered image starting from frame 0

So, I have some pre-rendered 3840x2160 images from another program called Source Filmmaker, and I want to de-noise them using Blender. SFM exports images starting with frame number 000000, regardless ...
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10 views

Blender denoise light problem

I'm trying to get rid of these weirds lights (the gradient isn't clean) when i'm rendering with the denoising option. and here's without. The render isn't clean but still better than the first one. ...
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1answer
74 views

How to use bpy.context.scene.use_denoising in Blender 2.8?

This give an error: AttributeError: 'Scene' object has no attribute 'use_denoising' I know that in the previous version like Blender 2.79 the command to access <...
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Final render is too noisy [duplicate]

I've started tinkering with Blender a few days ago and finally produced my own rendered image. The only problem is that the final render is way too noisy to use. It took around 1-2 hours to complete ...
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1answer
44 views

How to exclude passes from EXR file when using the denoiser node?

Situation: Blender: 2.81a, Cycles 1 Scene, 1 View layer View layer passes: Combined, Normal, Diffuse Color, Emission Using the Normal and Diffuse Color as inputs to the denoiser. Denoiser outputs ...
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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 ...
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171 views

Denoising the frames of an animation

I would like to use the new denoise node in Blender 2.81 to denoise an animation. I understand how to denoise (in compositing) individual frames but I do not know how to run the denoiser for all ...
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83 views

How to install Intel Open Image Denoiser node on Blender 2.79

I'm using Blender 2.79 and Cycles Render. And I'm rendering on 2.81 on Cycles Render with Intel denoiser, but 2.81 crashes. Please help me to use this denoiser on 2.79. Help me to install Intel ...
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52 views

AMD Radeon ProRender on MacOS Catalina - Denoiser options missing?

I got RDR 2.2.1 working fine with Blender 2.81a on Mac OS Catalina. Renders work fine in viewport and final render. I am pretty happy to have a GPU accelerated soln on my non-Nvidia setup. However, ...
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211 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 ...
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1answer
109 views

How to enable denoising for my final render?

I have been fiddling around with the LuxCoreRender rendering settings, but both denoisers do not seem to be having effect on my frames that I have rendered. I have re-installed LuxCoreRender ...
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How to save Denoising Data and the noisy image of Cycles Render

I'm struggling on how to save all denoising data information like albedo or normal information when rendering an image using python api. It should be something like: ...
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25 views

Light calculation issue

So I have tried so many things to get this blender denoiser to work properly on this image but I can't seem to figure it out. I am almost finished with this image but no matter how much I increase the ...
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33 views

Strange artifact in intel open-denoiser

I was rendering a human figure in blender 2.81 that was created in version 2.79. The file was pretty much the same in both versions with obvious changes in the compositor for 2.81. A noticeable ...
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57 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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59 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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65 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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1answer
242 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,...
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1answer
108 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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27 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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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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2k 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
51 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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21 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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21 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
284 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
118 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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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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1answer
116 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
108 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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53 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
383 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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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
343 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 ...
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1answer
1k 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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880 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
314 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
258 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
526 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
411 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
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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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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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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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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 ...