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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How to save a denoised image in composting

How do I save my denoised render in Blender's Composting tab? Here's how I arrived at my problem... Rendered an Image Opened Composting Added Denoise Node Node worked perfectly Attempted to save the ...
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Weird and unwanted noise from lighting in interior setup [duplicate]

I am following the blender guru 15 minute kitchen tutorial, and I have been doing good so far, but I noticed when I did a test render, that my scene was VERY noisy, as most interiors usually are at ...
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Can you use Open Image Denoise on the gpu in blender 2.91 or will it only work on the cpu?

Can you use Open Image Denoise on the gpu in blender 2.91 or will it only work on the cpu? And if you can do it on the gpu, how?
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Can't find the denoiser in view layer

I am using Cycles and yet it doesn't appear. It doesn't work even when I'm using the denoiser node. please any advice would be welcomed.
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Denoise in EEVEE: Blender 2.91

I have recently started using EEVEE to render my images. However, it is very noisy. I have not seen an option for denoising, and have tried to use the denoise node in the Compositing tab. Here is my ...
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OpenImageDenoise not with all cores?

OpenImageDenoise needs a lot of time on Cycles rendering, and while the GPU renders blistering fast 14 of my 16 Threadripper cores are not denoising. Is there somewhere a parameter to tweak to get all ...
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View Layer setting do not show up in certain files

*I have no View Layer settings. But in other files I have all these settings. This is in the Cycles Render engine. In the render setting I can't choose my Gpu or Cpu but if I switch to a different ...
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The denoiser doesn't work on my render

I tried to do a render but i noticed the denoiser isn't applied. Well at least to the donut. I'm not sure if it worked on my icing. I tried to un-check the denoiser and re-check it but it didn't work....
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Why doesn't Nvidia optix denoiser appear in denoise drop list?

I am relatively new to blender and i read that Optix denoiser is available on 2.9 version as a choice for non RTX graphic cards. but when i downloaded it i couldn't find that option.
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Viewport Not Rendering/No Lights/No Materials

I just did a render 2 min ago. I'm on blender 2.9 and I was playing around with the denoise features. At the time, the lighting was working, and the materials on my object were perfectly fine. I was ...
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Why is the preview image better quality than the rendered one?

First pic is final render, second pic is what is shown on the compositor, can tell me why the one on the compositor has better quality? This is rendered in Blender 2.9
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How to Use Denoising in Texture Baking?

i want to use the built in Denoising with baking textures, is there any way to do that ?
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170 views

“Denoising” checkbox missing in Blender 2.9 [duplicate]

In Blender 2.8+, I used to check the "Denoising" checkbox in the View Layer Properties when using Cycles rendering engine but after installing Blender 2.9, I can't find this item anymore: ...
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Anisotropic Shader and Denoising

So, I have a scene where I had 8-16 samples set and Denoising checked, which worked great for smooth metals in the scene. Now I added one piece of anisotropic metal and was confused why the anisotropy ...
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Optix Denoiser Not working in Renders [duplicate]

I have an RTX 2070 Super with Amd 3700x. I have optix enabled and it denoises the viewport render which is fine. However when I go to render out the image it begins denoising on the second pass and ...
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Denoising removes roughness details?

I am rendering a snow scene and for the roughness i have a voronoi texture to create a glittery look. However, when I render it, they disappear.. I think maybe the denoiser thinks they are fireflies? ...
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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 ...
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Weird blotchy shadows in blender cycles (denoising)

I have an interior scene with a window opening, a portal light in the window and an area light acting as sun light. I want to achieve this dramatic cinematic feeling without interior spot lights apart ...
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White block artifacts using cycles and optix

Blender 2.83LTS When rendering an image (~7000x5000px) using the CPU (scene doesn't fit in GPU memory) + OptiX Denoiser the Image will have white, blocky artifacts after the denoising process of ...
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viewport denoising blender 2.83 macbook pro

I'm a macbook pro user of blender 2.83 i'm trying to activate the viewport denoiser, but there is no way anybody knows how to activate it? my graphics are: Radeon Pro 555X 4 GB Intel UHD Graphics 630 ...
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Denoise node and File Output not working

I am rendering out several layers at a high resolution, running them through the Denoise Node, and then outputting them with the File Output node. I have some passes that are getting denoised, and ...
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Mesh Has Weird Black Spots? [duplicate]

I've recently started work on my first indoor scene for Blender, and I've been using many Blender Guru tutorials to get the lighting to match the vibe that I'm going for. However, it seems to have ...
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Denoising with AIDenoiser makes some colors black

I'm using Blender 2.83.3 I've set up a denoiser node setup in the compositor. When I lead the noisy image into the denoiser most of my colors turn black. If I use the original image this doesn't ...
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1answer
302 views

Optimal noise threshold for Adaptive Sampling with AI Denoiser

The feature "Adaptive Sampling" allows the Cycles renderer to automatically calculate the samples need per pixel by analyzing the noise level. Next to the option to enable it, there is a ...
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171 views

Cycles noise no matter what I do, and the denoiser makes it look cloudy

I realise so many people have asked this question so many times, but I just can't see what I'm doing wrong here. I'm on Blender 2.83.2. I have a simple scene with a room and some objects, some with ...
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OptiX AI denoiser doesn't work

I have RTX 2070 videocard and when i enable OptiX dnoiser i got black screen (check screenshot)
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741 views

Denoising options in latest 2.91 nightly builds

I've been using the Denoise node in the compositor, hooked up to Denoising Normal/Albedo, with those render denoising passes turned on. Works fine. I believe that's the OpenImage denoise algorithm. In ...
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Trying to work with light and glass [duplicate]

I'm new to Blender. I've been working on a scene with a lighthouse, and I'm all done with the geometry. I tried an eevee render of the scene, but uh-oh! When the glass preset is applied to the window ...
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1answer
95 views

Can I use the OptiX AI-Accelerated Denoiser for rendering animations?

Can I use the OptiX AI-Accelerated Denoiser for rendering? I can only find it for viewport denoising, not for denoising a render. How do I enable the OptiX AI-Accelerated Denoiser for rendering, and ...
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Crashing when Denoising (2.79)

Hi i am a gfx creator :) when I am trying to denoise as soon as my tile goes transparent it just closes on me! and it happens everytime. when i dont denoise it doesnt close then it ends up noisy and ...
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Why does OptiX AI Accelerated Viewport Denoising cause an Environment Texture to NOT render?

In the pics below, you can see enabling the new OptiX AI Accelerated denoising causes the environment texture to disappear from the viewport.
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I can't get openimage denoise to work on linux

I saw this questions asked already, but the way they explained the solution made no sense. I only got linux two days ago, can someone please tell me step by step how to get it working.
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Excess noise in cycles render and odd denoising results

I'm trying to do some renders of a dark room, but there's quite a bit of noise despite me setting it to 128 samples. When the denoiser kicks in, it fixes the noise but makes the scene look completely ...
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2answers
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Why Doesn't the Viewport Optix Denoiser Doesn't Work in 2.9?

I have the latest version of 2.9, a gtx 1060, and 16gb of ram. When I go into "denoising" and check "viewport" with "fastest (optix)" selected it'll take around 7 minutes ...
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67 views

Composite with render farm

I am looking to render my project on sheep it render farm and then use the ai Denoise node, to clear up noise. I am not sure if it is possible to use the denoiser node in the compositor because sheep ...
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28 views

How do i remove these splotches from my rendered image?

I am a beginner that just did the doughnut tutorial
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415 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 ...
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1answer
126 views

Blender denoise node producing black image

To be clear, the denoise node has been working wonders for me, but sometime over the last week or so it has stopped working in all of my project files (including ones that worked). I have a single ...
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0answers
31 views

Saving animated render from compositor (with denoise)

So basically I'd like to denoise an animation I did, and I know the settings to achieve denoise on the compositor, but it only really shows me one frame of it. When I try to save the render result, it ...
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2answers
78 views

Denoise Node is“Disabled” but is working

The Denoise Node is working but it is giving this warning. Should I change something? Note I have enabled denoise in render layers.
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1answer
62 views

Can't find Denoiser in 2.81a

My Splash screen and system-info.txt both confirm I have version 2.81 of Blender. And yet, when I go to View Layer Properties and Passes I cannot find the sector Data underneath and therefore I also ...
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Rendering doesn't work after switching on the denoiser [duplicate]

Rendered the animation without denoising before and it was fine. but i wanted to denoise it in the composite with nodes. but when i rendered it it overrided the previous animation, plus nothing ...
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1answer
25 views

Strange Cycles noise pattern not based on samples or denoiser - bug?

This happens in multiple of my files / completely different renders. V2.83.2, Cycles renderer. There's a noise to any dark area that isn't sample dependent (looks exactly to-the-pixel same at 500 or ...
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159 views

I installed blender on linux, and by default OpenImageDenoise is not enabled, how to enable it?

Like the title states, i have installed blender on linux and everything works fine, except for the OpenImageDenoise, i am sure that my computer does support that feature as when i use blender on ...
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1answer
209 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 ...
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1answer
69 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 ...
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Blender can denoise its own animations. Can it denoise a live shot?

I have a drone with a small camera on it which can get noisy even with a rock-bottom ISO of 100. I have been experimenting with color correcting my drone videos in Blender and being able to denoise ...
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152 views

Why are there so many denoising passes?

I just wanted to ask how should I use the other denoising passes (except for the normal and albedo ones):variance, shadowing, denoising depth and intensity, because nobody talks about them and I don't ...
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77 views

How to enable Intel denoiser using python?

I'm creating a scene from scratch in blender (2.83+) using python, and I'd like to turn on Intel denoiser for the Cycles render output. I've got some code but it's not working yet: ...