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DTSTART:18871231T000000
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DTSTAMP:20230103T035307Z
LOCATION:Auditorium\, Level 5\, West Wing
DTSTART;TZID=Asia/Seoul:20221206T100000
DTEND;TZID=Asia/Seoul:20221206T120000
UID:siggraphasia_SIGGRAPH Asia 2022_sess153_papers_411@linklings.com
SUMMARY:Neural Point Catacaustics for Novel-View Synthesis of Reflections
DESCRIPTION:Technical Papers\n\nNeural Point Catacaustics for Novel-View S
 ynthesis of Reflections\n\nKopanas, Leimkühler, Rainer, Jambon, Drettakis\
 n\nView-dependent effects such as reflections pose a substantial challenge
  for image-based and neural rendering algorithms. Above all, curved reflec
 tors are particularly hard, as they lead to highly non-linear reflection f
 lows as the camera moves. We introduce Neural Point Catacaustics, a new po
 int-based representation to render novel views of scenes with curved refle
 ctors from a set of casually-captured input photos. At the core of our met
 hod is a neural warp field that models catacaustic trajectories of reflect
 ions, so complex specular effects can be rendered using efficient point sp
 latting in conjunction with a neural renderer. One of our key contribution
 s is the direct representation of reflections with a  reflection point clo
 ud 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 approac
 h allows interactive high-quality renderings of novel views with accurate 
 reflection flow. Additionally, the direct representation of this reflectio
 n flow for the first time enables several forms of scene manipulation in c
 aptured scenes, such as reflection editing, cloning of specular objects, r
 eflection tracking across views, and comfortable stereo viewing.\n\nRegist
 ration Category: FULL ACCESS, EXPERIENCE PLUS ACCESS, EXPERIENCE ACCESS, T
 RADE EXHIBITOR\n\nLanguage: ENGLISH\n\nFormat: IN-PERSON
URL:https://sa2022.siggraph.org/en/full-program/?id=papers_411&sess=sess15
 3
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