Stochastic Progressive Photon Mapping

Computer Graphics · Light Transport · 2009 · also: SPPM · stochastic-progressive-photon-mapping.yaml

Regenerates the camera hit points every pass rather than fixing them once, which restores depth of field, motion blur and glossy reflection.

• 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

• correctsfixes a defect in Progressive Photon Mappinga fixed hit point set cannot express a pixel-wide integral

References

• Stochastic Progressive Photon Mapping — Hachisuka, Jensen — 2009 · link