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DTSTAMP:20240214T070241Z
LOCATION:Darling Harbour Theatre\, Level 2 (Convention Centre)
DTSTART;TZID=Australia/Melbourne:20231212T093000
DTEND;TZID=Australia/Melbourne:20231212T124500
UID:siggraphasia_SIGGRAPH Asia 2023_sess209_papers_802@linklings.com
SUMMARY:Fast-MSX: Fast Multiple Scattering Approximation
DESCRIPTION:Technical Papers\n\nEnrique Rosales (Huawei) and Fatemeh Teimu
 ry, Joshua Horacsek, Aria Salari, Xuebin Qin, Adi Bar-Lev, Xiaoqiang Zhe, 
 and Ligang Liu (Huawei Technologies)\n\nClassical microfacet theory suffer
 s from energy loss on materials with high roughness due to the single boun
 ce assumption of most microfacet models. When roughness is high, there is 
 a large chance of multiple scattering occurring among the microfacets of t
 he surface. Without explicitly modelling for this behaviour, rough surface
 s appear darker than they should. To address this issue, we present a nove
 l method to estimate the multiple scattering contribution from a second li
 ght bounce. Our method is inspired by Zipin's geometric construction appro
 ach, which simplifies the calculation of the light transport inside a V-gr
 oove cavity. Our experimental results demonstrate that our method is visua
 lly pleasing, physically plausible, and artifact-free compared to recent m
 ultiple scattering works. Additionally, the low computational cost makes o
 ur model suitable for real-time rendering.\n\nRegistration Category: Full 
 Access, Enhanced Access, Trade Exhibitor, Experience Hall Exhibitor
URL:https://asia.siggraph.org/2023/full-program?id=papers_802&sess=sess209
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