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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42 views

Which Denoiser to turn on?

Which denoiser should I use? Does it matter? 1. View Layer Properties Denoiser OR 2. the Intel Open Image Denoise --> which I know is quite powerful. So why use the denoiser under View Layer ...
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Why is my Final Render Losing Texture Detail when working with Cycles and Optix Denoiser?

The first picture is my material viewport The second picture is the final render using Cycles and Optix Denoiser (No COmpositor) with 1200 samples and 6.00 Light Clamp Is there any way that I can use ...
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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?
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1answer
25 views

Exporting a Denoised Composited Image Sequence

I just finished Blender Guru's donut tutorial, all parts and levels. However I must have misunderstood how the composite node works, especially in regards to animation (or rather image sequences). So ...
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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 ...
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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 ...
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26 views

Can anyone help me understand what causes this error ? OPTIX_ERROR_INVALID_VALUE in optixAccelComputeMemoryUsage

I m trying to do a rendering with optix on. I just recently upgraded from 2060 to a 3090. I had the exact same error with the 2060 but i thought it was because of vram limiation as the scene that i ...
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14 views

Denoise a bunch of images with correct output names [duplicate]

I have a Blender project set to denoise images rendered in Source Filmmaker. It actually does de-noise the images correctly, but the problem is that the setup and output is confusing. Regarding the ...
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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 ...
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Cycles Render Quality is not good [duplicate]

Cycles Render, Feature Set: Supported, GPU Compute: NVIDIA Geforce RTX 2070 Super Trio, Optix. Denoising: Optix. Sample 250, Light Path: Volume- 6 (Rest Default), Adaptive Sampling on. Resolution: 2k. ...
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1answer
87 views

128 samples with node denoiser animation still flickering

I'm trying to do an animation but even if I doubled the samples my video is flickering, in another topic they suggest me to increase the samples, so I moved from 64 to 128 samples but the result is ...
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If I use denoise and render it crashes, with no denoising it renders fine

I use blender 2.79 on windows 10 and every time I press denoise it always crashes while its rendering. But when I don't press denoise it renders fine and it doesn't crash.
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2answers
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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-...
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1answer
251 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
2k 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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1answer
30 views

weird yellow and red grains on my renders [duplicate]

I am working on a scene in blender related to Minecraft but for some reason my render image have small yellow and red spots sprinkled which are barely noticeable , is their a way to fix it. it might ...
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1answer
113 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: ...
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1answer
103 views

Advanced OptiX denoiser settings missing in 2.91

Where are the advanced OptiX denoiser settings like radius, strength, feature strength, etc. in 2.91? They were in the view layer settings in 2.83, but I can't find them any more.
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1answer
284 views

how can we remove the blurry effect that has been caused by denoising?

(using blender2.82) hey guys i have been trying to add fog to my scene but when i do it i have a lot of noise in the image i tried to use blender default denoise but it made it worst because it added ...
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1answer
18 views

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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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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20 views

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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1answer
59 views

The shadow looks like a wave. How do I fix it?

I can't solve it in 3 hours...
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1answer
62 views

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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1answer
72 views

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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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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146 views

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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61 views

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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13 views

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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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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32 views

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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27 views

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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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-...
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38 views

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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1answer
43 views

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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17 views

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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1answer
366 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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49 views

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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0answers
665 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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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.
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22 views

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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0answers
85 views

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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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 ...
5
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1answer
647 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 ...
3
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1answer
221 views

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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2answers
967 views

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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0answers
94 views

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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1answer
38 views

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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0answers
54 views

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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0answers
17 views

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 ...