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 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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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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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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43 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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18 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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32 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
77 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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51 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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26 views

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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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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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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24 views

Problem with Denoising node in compositor

I recently render an animation, without denoising and with only 20 samples on Cycles. There is a lot of noise but with the compositor and the denoise node (with using denoise passes) I have a nice ...
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Weird artifacts in rendered shadows

new blender 2.8 user here. I found weird artifacts in the shadows when I rendered this cup. Only happens when the plane is dark, although you can see a bit of that weird pattern in the coffee. Here's ...
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1answer
27 views

Explosions and fireflies / dots in Blender 2.8 (already followed all tutorial without results)

Good morning everyone, I'm literally ready to pay who will be able to solve my problem. here is the original file of the explosion. https://drive.google.com/file/d/1UBb2ctIG_OQ5qh7bpMSTUFcNI_E1LTCq/...
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105 views

Denoise not working in Blender Octane

I'm using Blender Octane, but somehow the denoise doesn't work in render I have it enabled, also connect the denoise beauty socket, but nothing worked, I need help...
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37 views

Nvidia Denoising

I came across the "D-noise" Git project for nvidia cards and wanted to give it a shot. On their Homepage they state that it is supported from GTX 700 cards upwards, but is already included in the ...
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How to retrieve correct normal information of a render? [duplicate]

How can I get the the same vector for every angle on denoising normal information when rendering in Cycles? I realized that, based on the camera angle and its position, the normal vector is different....
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115 views

Denoising in Blender results in a black screen (Render layer node is connected)? [closed]

So I've seen a lot of people complain about their experience using the compositor. Usually people forget to actually connect render layers to the output. However, I have not forgotten this, yet it ...
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1answer
40 views

How can I inprove my render image quality, even used denoiser too

I have used denoiser, resoluton 1080x1080 px, render300, but still image looks blury when I zoomed it in.
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110 views

Why is my render result disappearing after denoising? [closed]

I wanted to denoise my image in compositing. I don't know why it is disappearing after connecting with denoiser. Edit: I solved deactivating Progressive Refine from Render Properties > Performance > ...
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37 views

Is it possible to enable real-time denoising on non-RTX card?

I downloaded blender 2.83 and one of it's new features is realtime Optix viewport denoising. I don't have such option anywhere because I have non-RTX card (GTX 970). Is it possible to edit some lines ...
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1answer
74 views

How to properly connect the Denoise node in Compositor?

After enabling Denoise Data pass, there are two image outputs: Image pass Noisy Image pass How are they different and which one should be used with the Denoise node*? Blender Manual doesn't cover ...
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why my indoor scene is so noisy? [duplicate]

yeah i know that the sample rate is low, i increased it to 300 and it still was noisy, i think it has something to do with the indirect light, right? I dont know if i need to give more info, im ...
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1answer
61 views

Blender Denoise and Glare nodes

I want to add a glare node to my render result but when I do that I can't use the denoise node, I tried to combine them with mix node but then it's only allowing to 50% of each node to take effect on ...
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1answer
37 views

Combining denoise node with other nodes in compositor?

I'm rendering a thing in cycles and I think I put the Intel denoise node in the wrong spot, because it won't mix with the rest of my nodes in the composite. I've been using Blender for a couple of ...
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Denoising in Blender Internal? (2.79)

Is there a way to apply denoising in the Internal render with Ambient Occlusion active?
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26 views

Why do I get different Denoising Normal Information when exporting as HDR and EXR files?

At the moment I am rendering images and need to also export their albedo and normal information. When I export them as .hdr images I get following result: When rendered for EXR (or PNG) I get the ...
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Renderman .exr to blender composit AOV's only red channels

I have an .exr rendered with blender and I like to test the intel denoiser on it in blender. But when I load the .exr the beauty is fine but all the AOV's only show the red channel. When I load the ...
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157 views

Denoiser node does not work in Blender 2.82

In Blender 2.82, Intel Open Image Denoise does not seem to work as when I try to denoise an image using the denoiser node, the resulting image is completely black. I recall the denoiser node working ...
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155 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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2answers
180 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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40 views

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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1answer
262 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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39 views

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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19 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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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
150 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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23 views

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
74 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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2answers
110 views

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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1answer
460 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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1answer
175 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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101 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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2answers
258 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
268 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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1answer
108 views

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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36 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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65 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 ...