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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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My render is coming out blurry and I don't know why [duplicate]

Recently I've been trying to render a scene I created. Previously, it had rendered the scene fine but when I tried making a clay render today, it came out looking blurry like an oil painting. I ...
Ameb's user avatar
  • 13
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1 answer
37 views

No denoiser, how can I install one?

I am running Blender 3.4 on Debian GNU/Linux 12 (bookworm). Each time, I begin a new blend file, denoiser is checked in render settings. But if I try to render, render result comes to be completely ...
Chiara Ani's user avatar
1 vote
0 answers
45 views

How can I remove the noise on metal surfaces in Eevee?

I'm new to blender, I followed a tutorial on how to model this boombox but now I have a problem with the metal surface on the logo. I know how to remove the noise in cycles but since it is a video I ...
Darth Toast's user avatar
-1 votes
1 answer
57 views

How can I reduce a 20h render?

I have followed a tutorial by Alaskan FX for a photorealistic Earth. This scene uses a 43k Clouds texture and 21k color map. My laptop is the Gigabyte g5 md with a RTX 3050 Ti 4gb and 16gb ram + ...
2sa2's user avatar
  • 85
1 vote
2 answers
82 views

How to remove unwanted edge artifacts at borders of Cycles-rendered images?

I'm tried rendering cubic skybox with a procedural Sky Texture in Blender via Cycles and unexpectedly encountered artifacts at boundaries of rendered square images (which a skybox is then assembled in ...
Nazar's user avatar
  • 11
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1 answer
71 views

Why is my interior Animation flickering/noisy?

I rendered an animation and the frames by themselves don't look noisy, but when I put them together in a video every frame seems to be flickering and really noisy. The lights are purposefully ...
Arceus's user avatar
  • 67
1 vote
1 answer
38 views

Artifacts and flickering in renderd animation but not in rendered view

I rendered an animation and there are weird artifacts that almost look like refractions: There is also weird flickering in the hair, but I assume thats caused by the low sample rate and the low light,...
Jakob Wagner's user avatar
-1 votes
1 answer
63 views

DETAILS GONE BECAUSE OF DENOISE [duplicate]

Here is the texture and not rendered as you can see there are fabric textures Here is rendered then when i rendered the texture is gone i try to do more samples but no difference what possible ...
Marvelous Gonzales's user avatar
2 votes
1 answer
46 views

Muddled results from many-reflected mirror

I'm building a geometric shape with meshes that have emissive shaders along the interior edges, and the faces of the shape are "two way mirrors". The idea is that these emissive shaders act ...
gds's user avatar
  • 123
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0 answers
43 views

Is there any way to get rid of pixel bleed happening in UV Bakes that occur along the seams of an object?

I'm trying to bake a 4096x4096 image of my object (diffuse, normal, rough, ambient occlusion) and I'm using a UV that can't be changed (meant to be uploaded to a game tool) and whenever I'm baking, I ...
Troy's user avatar
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0 answers
34 views

Why is the background so full of noise?

I rendered this animation of a coffee mug with a smoke simulation to create the hot steam but the background is almost distorting like with heat distortion. I do use depth of field and the focus ...
Arceus's user avatar
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0 answers
15 views

Denoising makes fabric texture smooth [duplicate]

I am tying to render out a gift box with a canvas/fabric texture. Renders with Denoise turned off appear fine, albeit with plenty of noise... whilst rendering with denoise turned on will correct the ...
Celer Studios's user avatar
1 vote
1 answer
39 views

Strange results from the denoiser

I am working with a render, which shouldn't be that hard on the denoiser, nevertheless, well, I think this image says enough: This render was after a hundred samples, and the noisy render it is based ...
TT-392's user avatar
  • 97
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0 answers
29 views

Noisy rendering problem, trying to get back to previous render results

I don't know what I've done wrong but my renderes are now coming very noisy and blotchy no matter how high I raise the sample count. I had earlier renders that looked sharp and clean like the 1st ...
Jorge Bernal's user avatar
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0 answers
127 views

How do I get rid of noise using temporal denoising?

I have to render an animation in Blender, but when I rendered out the animation its all noisy and jittery. I played around with both the samples and and noise threshold but still gets noise in my ...
Adnaan Khodabocus's user avatar
0 votes
1 answer
96 views

How to eliminate subtle flickering in animation output

I've got an animation I've rendered that looks pretty good, with exception of a subtle flicker in the highlights. Unfortunately I can't share an example as the work I'm doing is under an NDA but I'll ...
AviRenders's user avatar
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0 answers
40 views

transparency issues with denoisers

When rendering an image of an object set unto a transparent background, it is observed around the edges of such object that small pixel-sized artifacts appear beyond the 0 opacity boundary. Color is ...
Matthew Cronembold's user avatar
1 vote
1 answer
484 views

"Noisy Image" connector is missing in compositing?

When I tried to denoise the image, following the tutorial. There is no "noisy image" connector in compositing. I've enabled the "denoising data". Thanks for your advice in advance.
yutong d's user avatar
1 vote
1 answer
219 views

Temporal Denoising: EXR image sequence node in the compositor is missing vector output

I'm on Blender 3.5 and trying out temporal denoising within the compositor as shown in this video by statix vfx: https://www.youtube.com/watch?v=851cEK0Taro&t=3s I've rendered my EXR sequence with ...
joyfulparallel's user avatar
0 votes
1 answer
119 views

Noisy .png after rendering Gloss passes

I'm using Cycles as my render engine, on the latest version of Blender 3.5.1 In compositor, I used a set of nodes to seperate the highlights (glossy) from the rest in order to save it seperately in a ....
art_stuff's user avatar
1 vote
0 answers
457 views

How to remove anti aliasing in render

i am rendering out this image and I have anti-aliasing along my edges. My noise threshold and min samples are set to 0, and my pixel filter is set to 1.5 on gaussian. Is there a way to blur these ...
Peter Randall's user avatar
0 votes
1 answer
2k views

How to optimize hair rendering?

I'm rendering a character animation with particle hair in Cycles, but no matter how I increase sampling, the hair is still not clear as the rest part of body. I've tried to render with 100\1024\2048\...
Oxide's user avatar
  • 19
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0 answers
77 views

Huge amount of noise is generated by overlapping several glass objects and de-noiser misbehave in Cycles - Blender 3.3

I am working an animation with simple particle emitter, the object has a complex glass shader to bring refraction and a bit of rgb separation. The problem is that when the particles overlap, which is ...
Damian Velasco's user avatar
0 votes
0 answers
108 views

Denoise makes Image pixalated in Cycles

Hi I wanted to render an image in Cycles and I enabled denoising to remove the noise from the image. But now my image is always pixelated/blurred. Does anyone know what this could be or what settings ...
Nils Schmidt's user avatar
0 votes
1 answer
956 views

How do I keep the noise in my Cycles render (animation)

Blender automatically reduces noise on Cycles renders now, but I don't want that. Googling this comes up only with ways to reduce noise, but I want to keep the noise you get in cycles.
litleangle's user avatar
0 votes
1 answer
65 views

I keep getting shapes outlined on the model when rendering in cycles when using specific nodes from the shader editor

Usually whenever I render in cycles, either when using the glossy node, the glass node, or the translucent node in the shader editor, I have shapes within the model showing up. How to fix? Is this ...
Alex Oliver's user avatar
0 votes
0 answers
56 views

Blender 2.9+ Cycles missing denoising

I Tried to follow tutorials for improving rendering, because i couldn't find the denoise option. Turns out im just completely missing it, and i have nothing of the likes in my sampling. I opened my ...
Lyall K's user avatar
2 votes
1 answer
2k views

How to stop flickering in dark animation? [duplicate]

Hi – I’m having problems with flickering in my scene when I render the animation (there's two renders in the video I linked to, the first with no BG light and the second with plenty). I’m going for a ...
Andy's user avatar
  • 283
0 votes
0 answers
106 views

Subsurface light flickering with a cycles rendering engine

I got a problem with lanterns in my rendering scene, and I noticed flickering in the lights in my video. I can't try to render with more samples since 25 samples already took me 5 hours. The ...
Apple Sun's user avatar
1 vote
0 answers
79 views

How to denoise when baking into vertex color (color attributes)

I've been searching for quite a while for a solution for this but haven't been able to find anything. As part of custom level making for the PC port of jak and daxter, the vertex colors are used as ...
Kuitar's user avatar
  • 11
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0 answers
35 views

Denoising created weird glowing artifacts on character

Whenever I try to render an image with my girl character, a weird glare is created at the end, when it denoises. Any idea why? Thanks
Jon Adamich's user avatar
0 votes
1 answer
701 views

Denoising results in flickering on fur regardless of high sample count

Every time I render this test animation, the denoising is resulting in different patterns of smoothing for each frame, making the flicker. Everyone online suggests upping the sample count, so I used ...
Leo Schunn's user avatar
2 votes
0 answers
65 views

Archviz animation - skip every frame and use FlowFrames or temporal data denoising?

I’ve been having trouble with the best method to render an interior archviz animation scene in Blender, using Cycles. In my opinion, there are two methods: 1 - Render every other frame (resulting in ...
lightwriter's user avatar
1 vote
0 answers
223 views

Why is my render blotchy and how do I get rid of it?

So I have this scene I'm trying to render and I noticed no matter how many samples I use, I can't get rid of the blotches on it. I used 1200 samples in this render. I'm using cycles. This took 4-ish ...
Todahmoon's user avatar
  • 341
2 votes
2 answers
2k views

How to denoise EXR and its passes?

How to denoise EXR and its passes in Cycles? I tried enabling Denoising Data and it didn't work.
saifart101's user avatar
1 vote
1 answer
479 views

Can I Denoise pre-rendered footage?

I have a reasonably lengthy sequence of PNG's which I rendered while I was away from my machine. To my chagrin, I returned to find that I neglected to enable denoising data at render-time! I am left ...
Pierre Ducos's user avatar
1 vote
1 answer
965 views

Losing quality on image texture with denoiser

I'm making a backrooms animation and I've stumbled onto a problem, the denoise node is creating washed out patches on the carpet texture I'm using which really removes the immersion I know a simple ...
TheBeastlySoul's user avatar
2 votes
0 answers
984 views

Denoising depth purpose?

What is the point of the "Denoising Depth" pass when using the denoise node in the compositor? When you select "Denoising Data" from the Blender view layer properties, it gives 3 ...
Skyline X's user avatar
0 votes
1 answer
780 views

Straight Dark lines on object and the render

Straight Dark lines appeared after I choose Cycles as render engine and turn on denoising with Optix. Even I turned off denoising this is happening. Even in the render, those lines appear. (Below is ...
Supun Tharinda's user avatar
0 votes
1 answer
77 views

A good GPU based de-noiser for AMD?

Is there any decent de-noiser for AMD GPU's on macOS via Metal? I've been using my new AMD eGPU for Cycles X since support was released a few weeks ago, but one of the problems were that the ...
Skyline X's user avatar
1 vote
1 answer
698 views

How to denoise already rendered Open EXR Multilayer image sequence?

I rendered my scene with open EXR multilayer with the following passes: -Data: Combined Denoise Data (Do I have to tick this?) -Light: Diffuse (Direct, Indirect, Color) Glossy (Direct, Indirect, Color)...
GregSmack's user avatar
0 votes
0 answers
199 views

Denoise for animations on laptop with CPU only in Blender 3?

I'm trying to make some simple animations of stuff imported from Minecraft. I have an MB Pro from 2019, so no GPU that will be of any use. Denoise for images works super well, even with images ...
Anders Bornholm's user avatar
0 votes
0 answers
21 views

Why Render looks smudgy in cycle engine [duplicate]

I'm having a rendering problem here in blender. The render looks smudgy and this never happened before. Usually, I use a very standard amount of samples around 128-256. I use the blender 3.0 version ...
bryan hoe's user avatar
2 votes
1 answer
278 views

Wavy Artifact in Viewport Rendered Mode

My rendered preview has these really weird artifacts. I found them inside of the actual render too. I don't remember changing any settings that could have made it this way. I tried turning denoising ...
Sid's user avatar
  • 299
0 votes
1 answer
682 views

Viewport Denoising Doesn't Load

So I'm currently trying to enable viewport denoising automatic using Cycles in Blender 2.93, but whenever I do the viewport turns grey and it doesn't load (it stays stuck on "loading render ...
Ryan Nyberg's user avatar
2 votes
2 answers
139 views

How to reduce noises of light reflection on the static object in video?

I am not sure what is this problem called. There are many noises of light reflection on the ground. They are different between frames. How do I reduce it? Or how to make it more realistic? Can texture ...
Jill Clover's user avatar
0 votes
0 answers
152 views

Blender Denoise doesnt work [duplicate]

In the Denoise tab in the Render properties there is nothing to select, but I want to use the Denoiser. If I try to render an image with denoise on the result is a black Image. Blender Version 3.0 My ...
caligorax's user avatar
1 vote
0 answers
1k views

Blender 3.0 Denoiser disappeared

I installed a new Blender 3.0, but there is no tool in the setting Denoiser. I have reinstalled several times new Blender 3.0 without changes. In Blender 2.9.3 and and earlier versions Denoiser works ...
user9731943's user avatar
0 votes
0 answers
180 views

Is using the denoise compositing node to denoise FFmpeg video possible?

If so how? If it's not possible to do it with FFmpeg are there any other video formats that are compatible with the denoise compositing node?
user136739's user avatar
2 votes
1 answer
908 views

Do I have to activate "denoising" when using the denoise node in the compositor?

So here's a regular denoise node setup. I just learned this recently. But normally, I wouldn't denoise in the compositor. I would just denoise using Optix by ticking this. Based on my understanding, ...
Sohail Nordin's user avatar

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