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TZID:Asia/Seoul
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DTSTART:18871231T000000
DTSTART:19881009T020000
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BEGIN:VEVENT
DTSTAMP:20230103T035308Z
LOCATION:Room 325-AB\, Level 3\, West Wing
DTSTART;TZID=Asia/Seoul:20221207T110000
DTEND;TZID=Asia/Seoul:20221207T123000
UID:siggraphasia_SIGGRAPH Asia 2022_sess161_papers_411@linklings.com
SUMMARY:Neural Point Catacaustics for Novel-View Synthesis of Reflections
DESCRIPTION:Technical Communications, Technical Papers\n\nNeural Point Cat
 acaustics for Novel-View Synthesis of Reflections\n\nKopanas, Leimkühler, 
 Rainer, Jambon, Drettakis\n\nView-dependent effects such as reflections po
 se a substantial challenge for image-based and neural rendering algorithms
 . Above all, curved reflectors are particularly hard, as they lead to high
 ly non-linear reflection flows as the camera moves. We introduce Neural Po
 int Catacaustics, a new point-based representation to render novel views o
 f scenes with curved reflectors from a set of casually-captured input phot
 os. At the core of our method is a neural warp field that models catacaust
 ic trajectories of reflections, so complex specular effects can be rendere
 d using efficient point splatting in conjunction with a neural renderer. O
 ne of our key contributions is the direct representation of reflections wi
 th a  reflection point cloud which is displaced by the neural warp field, 
 and a primary point cloud optimized in a preprocess, to represent the rest
  of the scene. Our approach allows interactive high-quality renderings of 
 novel views with accurate reflection flow. Additionally, the direct repres
 entation of this reflection flow for the first time enables several forms 
 of scene manipulation in captured scenes, such as reflection editing, clon
 ing of specular objects, reflection tracking across views, and comfortable
  stereo viewing.\n\nRegistration Category: FULL ACCESS, ON-DEMAND ACCESS\n
 \nLanguage: ENGLISH\n\nFormat: IN-PERSON, ON-DEMAND
URL:https://sa2022.siggraph.org/en/full-program/?id=papers_411&sess=sess16
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