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by bod
Sat Sep 27, 2014 9:06 am
Forum: General Development
Topic: avoid rejection sampling
Replies: 6
Views: 5602

Re: avoid rejection sampling

The LEADR paper proposes an non-centred BRDF that only relies on the geometric normal, the offset usually comes from the bump normal, but perhaps the shading normal could also be part of the offset.

http://hal.inria.fr/hal-00858220/en

Sampling theory comes here: http://hal.inria.fr/hal-00996995/en