Linked Questions
58 questions linked to/from How to properly denoise renderings?
86
votes
9
answers
120k
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-...
- 1,297
45
votes
10
answers
44k
views
How to reduce fireflies in Cycles?
I often use Cycles' built in Glass BSDF shader to achieve realistic refraction effects, but in many cases, it seems that Cycles' glass caustics creates an unfortunately large number of fireflies (...
- 11.6k
41
votes
2
answers
44k
views
What is branched path tracing and how is it useful?
I noticed recently that there is a new option in Cycles for "branched path tracing", can someone explain what this does in easy to understand terms? Should we expect faster render times or less ...
- 1,227
9
votes
4
answers
15k
views
How to render a scene faster in Cycles?
I have a scene of an office. It has chairs, tables, computers, and so on.
I would like to know how I can render this scene faster as I am planning to make animation inside the office and don't want ...
- 459
9
votes
2
answers
4k
views
Branched Path Tracing
About Branched Path Tracing, I'm using the Arnold Renderer theory without Square Samples as many forums said, but seems Cycles goes different.
I have better times/results with higher AA Samples value ...
6
votes
1
answer
18k
views
How do I use the cycles Denoiser?
For quite a while, I have been using realtime GLSL shading for most of my projects. I decided to re-vist cycles after hearing about how awesome the new denoiser is. What does the denoiser actually do, ...
6
votes
1
answer
2k
views
What does "number of diffuse/glossy/... bounce samples" mean?
In Cycles render, when enabling branched path tracing, one can specify the number of diffuse/glossy/transmission/... bounce samples for each AA sample. Can someone explain to me in little more words ...
- 455
5
votes
1
answer
2k
views
Why do I have a large black and white artifact on the rendered image? [duplicate]
Cant figure out why the rendered image has a large black and white artifact (on the bottle on the right)?
This is the blender file.
Appreciate any tips!
3
votes
1
answer
4k
views
Problems with denoising in rendering
I'm starting to take my first steps in Blender. I recently did the BlenderGuru's light bulbs tutorial. I have problems with rendering. The two images attached were rendered using Cycles (Blender 2.79),...
2
votes
3
answers
13k
views
Blender EEVEE pixelated render. No denoise options?
I'm a beginner in Blender and I'm trying to render a scene using Blender 2.8.
Unfortunately the result shows strong pixelation. As far as I learned for version 2.7 (Cycles) you have to use a denoise ...
- 261
2
votes
1
answer
396
views
Weird artifacts in shadow when rendering transparent objects
I'm rendering a transparent cup with water + transparent plate.
However, the right bottom part of the shadow seem quite off. It has artifacts in the shadow.
https://i.sstatic.net/sTf0T.jpg
This is ...
- 209
2
votes
1
answer
2k
views
Blotchy noise in cycles render with denoise [duplicate]
When I was rendering my image, I noticed that it looks weird (top left, and right side). I don't know what causes this issue, never had it before.
useful info/settings:
samples = 256
I render using ...
- 21
2
votes
1
answer
25
views
How to preview just one zone with cycles?
I've watched this tutorial where i think the author selects an specific zone to preview with cycles. I can't get with the keys to do that. Is it possible what I'm saying?
https://youtu.be/PoSvCn1Jl6g?...
- 23
2
votes
1
answer
2k
views
How to render a night scene [duplicate]
I really need some help regarding rendering a night scene. When i tick the denoising option. My render become ugly where there is a black dirt on the image. As in the image below.
And if i untick ...
- 21
2
votes
1
answer
4k
views
Rendered object too grainy (Beginner) [duplicate]
Why is my rendered object and rendered image so grainy?
I followed tutorial https://www.youtube.com/watch?v=4rNrL7a12xg and when i added material its not looking the same
- 127
2
votes
1
answer
404
views
Why do I have 'glitched' areas in my render after enabling denoising? [duplicate]
I am a newbie to blender and i found a 'Denoiser' option and decided to use it. I found out its function but it seems to create these 'glitched' areas in one of my renders. What are they and how do i ...
- 21
2
votes
0
answers
42
views
How to get rid of this distortion/heat waves in cycles animation render [duplicate]
I am very curious right now.
I wanted to render a video about lights and there is that weird glitching heatwave everywhere where it's dark (look at the top around the orange object, dark sides are ...
- 3,856
2
votes
0
answers
39
views
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 ...
- 43
2
votes
0
answers
137
views
Light emission sources render as cubes
Just faced such a problem. Have kind of streetlight models in my scene (four instances of them to be exact) with the light emitting parts. Final render appears like this:
As you see, all of them ...
- 23
1
vote
1
answer
2k
views
Why is my render noisy/blotchy?
I'm new to Blender and wonder why, when I render the image, the image is noisy or blotchy.
The render result is shown below.
You can see the effect clearly at the skin area.
Can someone help me ...
- 15
1
vote
1
answer
179
views
What is causing splotching on rendered image?
I have been trying to troubleshoot this for some time now. Whenever I use an HDRI to light my scene, I get the following effect on my objects after rendering in cycles. A patchiness that I cannot seem ...
- 11
1
vote
1
answer
128
views
Random Distortion-Like in Final Image | Rendering Problem in Blender
i already rendered several scenes in blender and this is my first time to encounter this. After the compositing, the rendered image looks weird, some kind of distortion or something. I can't find any ...
- 21
1
vote
1
answer
2k
views
Strange artifacts on cycles render [duplicate]
Do you have any idea what is causing these artifacts on my cycles render?
I'm using a sun light source to illuminate the scene.
128 samples.
I've pasted a screenshot of the material that the ...
- 31
1
vote
2
answers
221
views
render curve color
I'm a total beginner in blender but this software is so nice.
I'm trying to render a 2d scene wich simply changes material colors and zooms out camera. This should lead to a 2d logo animation. I set ...
- 11
1
vote
0
answers
14
views
Denoise messes render [duplicate]
I am making a grungy, old style render and denoise just deletes all the details,i use principled volume and particles for dust they also get clamped.
- 21
1
vote
1
answer
1k
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 ...
- 312
1
vote
0
answers
123
views
Strange square artifacts [duplicate]
I'm a noob when it comes to using particle systems to create grass, so I've been trying to improve those skills. However, on my latest test render...something rather strange has appeared. Or rather, ...
- 1,427
1
vote
0
answers
3k
views
Best settings for denoising in Cycles
I am working on a project and I am using the Cycles render engine. Denoising usually seems like a good option but the image does become a little blurry when I use denoising with the default settings. ...
- 111
1
vote
0
answers
42
views
Cycles rendering weird bubble shadows [duplicate]
I have no idea what is causing this, but for some reason when I render my scene in Cycles it gives me these shadow spots. What's more weird is that it's only when I'm rendering interiors and it only ...
- 11
1
vote
0
answers
907
views
Pixelated light in final render [duplicate]
I've rendered my final scene but the emitting light from the bulb shows a weird pixelated shade at the base and on the bulb... however it seems like its clear in the viewport render. Any ideas? Is it ...
- 337
1
vote
0
answers
1k
views
Denoising is giving my strange artifacts [duplicate]
I have this material, that is a subsurface and because some reason when the denoise is applied it gives my really strange artifacts only in the red parts(the oxidized metal is other object).
- 121
1
vote
1
answer
829
views
Weird Gray Blotches Showing Up During Render [duplicate]
Hi I am trying to render a model of Sintel. While using the render view port shading in the 3d view the eyes looks perfectly fine:
But when I actually render it, these grey splotches show up under ...
- 33
0
votes
1
answer
2k
views
Weird noise when using denoise [duplicate]
i had these weird noise on my render
i had changed render settings even every object material, and it's not solved
Maybe anyone can help?
0
votes
1
answer
99
views
Render Failure - Image is smokey [duplicate]
I am new to using blender and I am working on rendering a scene that uses portal lighting, but I am having some render issues and I don't know why. Is there anything I can try to fix this issue?
...
- 3
0
votes
1
answer
670
views
My render looks pixilated and really strange [duplicate]
When I render my scene, for some reason my render looks pixilated in some places, and overall really strange. The image quality is 1920 x 1080, with 100% scale, and the render is at 128 samples. I can'...
0
votes
1
answer
313
views
Weird distorsions in light when using denoise node [duplicate]
When using the denoising node I happen to have some distortions where the light bounces. When I increase the samples to 600 it's reduced but it still be noticeable.
What may be causing this effect?
- 13
0
votes
1
answer
441
views
Blue Stuff in my render [duplicate]
I was rendering this scene (on cycles) to test out the lighting in my upcoming animation project but for some reason the render had blue stuff all over it, I tried to see if it had to do anything with ...
- 1
0
votes
1
answer
1k
views
Cycles SSS Rendered image has a strange "noise" coloring artifacts [duplicate]
I am pretty new to blender and I was experimenting with a subsurface scattering material and lighting on an imported object. But when I've rendered an image of the object with a material that has a ...
0
votes
0
answers
31
views
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 ...
- 13
0
votes
1
answer
318
views
Cycles render problem again
I know this issue pops up periodically.
But I still haven't found a solution.
The problem is on this picture.
Other projects render great even with 128-64 samples.
I realized that the problem is not ...
- 57
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 ...
0
votes
0
answers
52
views
Colors smear into a puddle in render
I'm very new to blender and I'm making my first kitchen scene. When I'm trying to render the scene I have stumbled upon something weird. On both the cabinet drawers and doors the colors seems to smear ...
0
votes
0
answers
16
views
Stains on white walls_interior render_denoiser [duplicate]
I am trying to render an interior image but I have problems with the white walls. As shown in the image attached there are "stains" caused I think by the DENOISER. (I guess so because of a ...
- 1
0
votes
1
answer
1k
views
My final render with cycles look blurry after denoise [duplicate]
I am new to blender and try to make a room everything look good until I use final render to get a high quality picture the light look wrong
I try to use 1 light bounce and it didnt help at all
pls ...
- 1
0
votes
0
answers
115
views
Square artifacts when shining light through material
I am shining a light through a principled bsdf with transmission and getting weird square artifacts. Any ideas as to the cause?
blend file: https://filebin.net/yhpnzpuic4lvree1/
0
votes
0
answers
20
views
My characters skin looks Caustic in Cycles and the Shirt Texture is missing [duplicate]
My characters skin looks Caustic in Cycles and the Shirt Texture is missing.
Cycles Render
EEVEE render
0
votes
0
answers
42
views
getting a weird raisin texture on liquid texture?
im getting a weird raisin texture on my liquid from blender guru's tutorial. I've followed it 100% through so far and I can't find a way to fix this.
- 1
0
votes
0
answers
35
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.
...
- 1
0
votes
1
answer
152
views
Weird textures in blender [duplicate]
I am a new blender user and after 2 months I have a problem that I don't know how to solve. I sincerely hope someone can help me. When I render a scene where there is one or more objects in the open ...
