Radiative Transfer Equation

Computer Graphics · Participating Media · also: RTE, Volume rendering equation · radiative-transfer-equation.yaml

The volumetric counterpart of the rendering equation, describing how radiance changes along a ray through absorption, out-scattering, in- scattering and emission.

• supersedescorrects · extends
• classifiesspecializes · part-of
• substitutes forapproximates · alternative-to
• depends onrequires · validates

Colour is the family; a dashed line is the second member of it.

This node

• extendsadds capability to The Rendering Equationtransport along a ray, not just across surfaces
• part-ofis a subtopic of Participating Media

Referenced by

• specializesNeural Radiance Fields is a specific case of thisan MLP supplies density and colour along the ray
• specializesVolumetric Path Tracing is a specific case of thissolves it by random walks through the medium

References

• Background — Radiative transfer on Wikipedia