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DTSTAMP:20260114T163651Z
LOCATION:Meeting Room C4.8\, Level 4 (Convention Centre)
DTSTART;TZID=Australia/Melbourne:20231212T173800
DTEND;TZID=Australia/Melbourne:20231212T174800
UID:siggraphasia_SIGGRAPH Asia 2023_sess142_papers_802@linklings.com
SUMMARY:Fast-MSX: Fast Multiple Scattering Approximation
DESCRIPTION:Enrique Rosales (Huawei) and Fatemeh Teimury, Joshua Horacsek,
  Aria Salari, Xuebin Qin, Adi Bar-Lev, Xiaoqiang Zhe, and Ligang Liu (Huaw
 ei Technologies)\n\nClassical microfacet theory suffers from energy loss o
 n materials with high roughness due to the single bounce assumption of mos
 t microfacet models. When roughness is high, there is a large chance of mu
 ltiple scattering occurring among the microfacets of the surface. Without 
 explicitly modelling for this behaviour, rough surfaces appear darker than
  they should. To address this issue, we present a novel method to estimate
  the multiple scattering contribution from a second light bounce. Our meth
 od is inspired by Zipin's geometric construction approach, which simplifie
 s the calculation of the light transport inside a V-groove cavity. Our exp
 erimental results demonstrate that our method is visually pleasing, physic
 ally plausible, and artifact-free compared to recent multiple scattering w
 orks. Additionally, the low computational cost makes our model suitable fo
 r real-time rendering.\n\nRegistration Category: Full Access\n\nSession Ch
 air: Michael Gharbi (Reve AI, Massachusetts Institute of Technology (MIT))
 \n\n
URL:https://asia.siggraph.org/2023/full-program?id=papers_802&sess=sess142
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