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DTSTAMP:20250110T023313Z
LOCATION:Hall B5 (2)\, B Block\, Level 5
DTSTART;TZID=Asia/Tokyo:20241206T151900
DTEND;TZID=Asia/Tokyo:20241206T153100
UID:siggraphasia_SIGGRAPH Asia 2024_sess149_papers_1223@linklings.com
SUMMARY:Controlled Spectral Uplifting for Indirect-Light-Metamerism
DESCRIPTION:Technical Papers\n\nMark van de Ruit and Elmar Eisemann (Delft
  University of Technology)\n\nSpectral rendering has received increasing a
 ttention in recent years. Yet, solutions to define spectral reflectances a
 re mostly limited to techniques which deterministically uplift existing RG
 B inputs. Only recently has uplifting enabled constraining a surface appea
 rance under direct illuminants. Yet, prior work in this area limits artist
  expressiveness and is poorly suited for designing a scene's appearance, a
 s indirect illumination is ignored entirely.\n\nWe present an uplifting te
 chnique with fine-grained spectral appearance control under direct and ind
 irect illumination, even enabling the placement of spectral constraints in
  a specific scene. Our approach allows for a flexible authoring process, a
 nd solves for the resulting spectra efficiently. Additionally, we show tha
 t our method's memory overhead during rendering is kept small, by introduc
 ing a compact spectral texture format.\n\nRegistration Category: Full Acce
 ss, Full Access Supporter\n\nLanguage Format: English Language\n\nSession 
 Chair: Valentin Deschaintre (Adobe Research)
URL:https://asia.siggraph.org/2024/program/?id=papers_1223&sess=sess149
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