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Questions tagged [subsurface-scattering]

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1
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0answers
240 views

Volume Rendering: Implementation

Can somebody explain how to implement volume rendering and scattering? I've been told that this is the easiest and most effective method to render things like smoke, milk and fog. Scratchapixel has ...
5
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2answers
1k views

A recent approach for subsurface scattering

I read "A Practical Model for Subsurface Light Transport" and "A Rapid Hierarchical Rendering Technique for Translucent Materials". If I understand correctly, the former does not consider the case ...
3
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0answers
41 views

Is this the correct interpretation of the separable SSS artistic model?

I'm trying to understand the separable subsurface scattering algorithm, but I'm a little confused on what the parameters mean from a notation and implementation standpoint, particularly for the ...
4
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0answers
235 views

Mathematics of Sub Surface Scattering

Can somebody help explain the mathematics of Sub Surface Scattering in a Path Tracer based on the Diffuse Approximation in A Practical Model for Subsurface Light Transport ? I would like someone to ...
8
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1answer
497 views

Subsurface Scattering Without Rays?

Some games claim to use subsurface scattering but my current understanding of sss is only achieved with ray tracing. How would you sub surface scatter without ray tracing? Do some claim to use sss but ...
4
votes
1answer
305 views

How to create specular surface in Mitsuba Renderer

I am a newbie in computer graphics and I am trying to develop a special case of path tracing really slowly! But first: I came up studying the Mitsuba renderer and one of its uses in the so-called GDPT ...
8
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1answer
345 views

How does Smith multiple scattering interact with diffuse subsurface scattering?

The Multiple Scattering Microfacet BSDFs with the Smith Model paper describes a statistical model for replacing the masking-shadowing functions in microfacet BSDFs (which account for paths with more ...
18
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2answers
2k views

What is the “dipole approximation” for subsurface scattering?

If you read papers about subsurface scattering, you'll frequently come across references to something called the "dipole approximation". This term seems to go back to the paper A Practical Model for ...