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DTSTAMP:20260817T171541Z
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:Mark van de Ruit and Elmar Eisemann (Delft University of Techn
 ology)\n\nSpectral rendering has received increasing attention in recent y
 ears. Yet, solutions to define spectral reflectances are mostly limited to
  techniques which deterministically uplift existing RGB inputs. Only recen
 tly has uplifting enabled constraining a surface appearance under direct i
 lluminants. Yet, prior work in this area limits artist expressiveness and 
 is poorly suited for designing a scene's appearance, as indirect illuminat
 ion is ignored entirely.\n\nWe present an uplifting technique with fine-gr
 ained spectral appearance control under direct and indirect illumination, 
 even enabling the placement of spectral constraints in a specific scene. O
 ur approach allows for a flexible authoring process, and solves for the re
 sulting spectra efficiently. Additionally, we show that our method's memor
 y overhead during rendering is kept small, by introducing a compact spectr
 al texture format.\n\nRegistration Category: Full Access, Full Access Supp
 orter\n\nLanguage Format: English Language\n\nSession Chair: Valentin Desc
 haintre (Adobe Research)\n\n
URL:https://asia.siggraph.org/2024/program/?id=papers_1223&sess=sess149
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