Presentation

Unbiased VNDF Sampling for Backfacing Shading Normals
SessionQ&A: Rendering - Tech
Contributor
Yusuke Tokuyoshi
Event Type
Talk
Keywords
Rendering
Recordings
This session WILL NOT be recorded.
Interest Areas
Research & Education
Registration Levels
Ultimate Supporter
Ultimate Attendee
Exhibitor Ultimate
TimeMonday, 9 August 20212:30pm - 3pm PDT
Location
DescriptionWe present a corrected normalization factor for a visible normal distribution function (VNDF) to avoid the bias of VNDF importance sampling at a backfacing shading normal. Our correction is easy to implement and has a negligible impact on performance for the Smith microsurface model.
Contributor
Yusuke Tokuyoshi
AMD Japan Ltd.