Questions tagged [noise-reduction]
Questions considering the process of reduction of noise in final renders and/or texture baking.
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Emission material problem
Good day!
When I use Emission material on objects - reflections turns out very grainy in rendered results. This does not happen with lamps. What is the best solution to remove fireflies in a ...
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Much noise when reaching a certain frame [closed]
I'm working on a project of my own, maximum detail as possible (it's to see how far I can reach details in a render optimizing the maximum possible)
To the question. I have a video right now on 1024 ...
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Texture baking noise reduction with filmic-blender, clamping does not work?
I have a house interior model which I want to use both for high-quality renders and for converting to a web viewer. I've been experimenting with filmic-blender, and love the effect on the renders. My ...
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Cycles option to merge multiple renders instead of one big render?
From this answer: Why do fireflies increase with number of samples when using a hdri light source?
It seems like you can get much nicer, faster rendering with low samples, image merging. However, I'...
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Blender remove fireflies (Substance painter node)
I have a problem here on my last project with noise. For some reason I have some white dots on this render, do you have any idea how can I fix it?
On my scene, I have bean used portal lights for each ...
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Sampling difference between Cycles 2.74 to 2.78a?
On Friday, we setup six machines to act as our render farm for a short (3000 frame) animation. All machines were loaded from a single saved blend file on a network drive. Five were Windows machines ...
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Cannot get noise free realistic render in blender cycles [duplicate]
I am a beginner modeler, trying to get realistic result. I have tried my best but i cannot remove the white spots from my scene in cycles. Lighting is not looking realistic. Please help me how can i ...
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Problems With Incredibly Noisy Renders In Cycles
I'm attempting to create a space station hallway in blender Cycles as concept art for a game. After modeling the entire station, I decided to do some simple test renders to see how the lighting would ...
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Strange color noise in diffuse direct at material edges [duplicate]
I am getting strange color noise in my diffuse direct passes. It shows up at the edges of the model, and at material boundaries on the model. It happens even with basic shaders (just diffuse mixed ...
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Noisy depth of field
So I tried one of the Blender Guru tutorials, which ends with depth of field settings.
The blurred lights are however too noisy:
Which is strange, because when I turn DOF off, the distant droplets ...
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How to reduce noise on transparent animation?
I am making an animation(in cycles render) where object is converting from diffuse to transparent(with 0.9 value on mix shader). I am using branched path tracing (with square samples)
Below is the ...
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Painting with weird noise
I'm new regarding painting a model in Blender, I had some difficult with making a texture to paint, but when I did that, while painting this weird noise appears and I can't seem to find the solution.
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Glass issue, trasparent vs holdout shader
I have a problem with the transparency shader.
I need to use it combined with the glossy one, mixing using a fresnel factor.
Unfortunately I keep getting the same result...an annoying black area.
ON ...
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355
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how to remove noise? Sample and Light paths do not change anything! [closed]
Same result regardless of the type of lighting.
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Weird dots in my mesh [duplicate]
so I'm making a drink scene, but it looks like there are very weird dots around, near the glass. It seems I need to do something to get rid of the white dots.
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Noise in Cycles Interior Scene
I am fairly new to blender and wanted to make something in Cycles, with the same kind of white lighting/style as this:
I modeled a little train station and rendered it in Cycles. It was incredibly ...
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2
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Cycles fireflies with police lights setup
For an animation project I'm working on, some vehicles with a warning light - these plastic ones with a rotating mirror inside which you can find on top of police cars, firefighter trucks (blue) or ...
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How can I get rid of all this noise [duplicate]
I want to render a scene where light shines through a ball with holes so I get a dot-pattern similar to a disco ball. (see pictures) The problem I have at the moment is that my render is very noise ...
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What value should I increase to reduce noise for subsurface scattering, volume scatter, etc.?
I'm on an AMD machine, so GPU rendering is off the table, but I don't mind a lengthy render as long as the end result is good.
So far I've tried:
Rendering at 5000 samples
Various indirect/direct ...
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Same rendering gives different noise amount
I usually render my single frame projects with the SheepIt-Renderfarm as animation of low-sample frames. But I experience great differences in the noise amount between some of the frames. For example, ...
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Noisy edges on my animation
I'm rendering an animation and don't know how to smooth these noisy edges - sampling is also high. I tried clamping to no avail.
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Using Bilateral blur to reduce noise on already rendered result
So I rendered some 1000 frames. It took a while. The noise is a bit too high and now I want to reduce it with bilateral blur node ,but it is not working correctly.
The frame sequence works as an ...
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Why do fireflies increase with number of samples when using a hdri light source?
I have a plane with a simple diffuse material. I use an HDR light source from Greg Zaal.
The world setup is as simple as this:
When I preview, the noise seems to increase with the number of samples. ...
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4
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Fireflies / noise on glossy material
I have a bunch of glossy balloons lit by a sun lamp and the world (Background Sky Texture). This is the nodes setup.
After rendering I have the image below.
When we look at a more detailed level we ...
user13877
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Volumetric cloud render noise in Cycles
I'm rendering volumetric clouds using Procedural cycles Clouds shader.
I'm getting a good result, but with a strange noise (middle bottom screen):
It's about 180 passes. As you can see everything is ...
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Image is too noisy
This too noisy after rendering, I tried to give it more samples up to 500, it changed a little, higher resolution also helped, but still it is too noisy, Caustics on nor off don't make a real ...
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142
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How do I make lamps effect scene locally only to reduce noise?
I'm trying to achieve photorealistic renders with Image Based Lighting + lamps that should effect the scene locally - only the surfaces around them. In this particular case, the first render was made ...
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479
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Cycles outlier removal for hot pixels - would that make it "biased"?
Even with setting my sampling numbers pretty high (256 diffuse and glossy samples times 16 render passes with branched path tracing) I'm still getting the very hot pixels. I read that this is caused ...
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319
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Noise reduction in tight area in cycles
I have an object like this. It's basically an icosphere with holes, which I got by selecting all faces, Select Menu > Checker Deselect and then S + 0.
The problem starts when I try to render it in ...
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