Stores filtered depth alongside irradiance at each probe and weights probe contributions by a visibility test, so a probe on the far side of a wall stops contributing.
supersedescorrects · extends
classifiesspecializes · part-of
substitutes forapproximates · alternative-to
depends onrequires · validates
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correctsfixes a defect in Irradiance Probesplain probe interpolation leaks light through walls
References
Dynamic Diffuse Global Illumination with Ray-Traced Irradiance Fields — Majercik, Guertin, Nowrouzezahrai, McGuire — 2019