ReSTIR GI

Computer Graphics · Light Transport · 2021 · restir-gi.yaml

Applies reservoir resampling to indirect paths by storing sample points and their outgoing radiance, extending the technique past direct lighting.

• 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 ReSTIRreuses indirect paths, not just direct light samples

References

• ReSTIR GI: Path Resampling for Real-Time Path Tracing — Ouyang, Liu, Kettunen, Pharr, Pantaleoni — 2021 · link