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Description
  • While many fast global illumination solutions have been proposed, all of them work under limiting assumptions on the materials and lighting in the scene. In the presence of many glossy (directionally scattering) materials, fast solutions either fail or degenerate to inefficient, brute-force simulations of the underlying light transport. In particular, many-light algorithms are able to provide fast approximations by clamping elements of the light transport matrix, but they eliminate the part of the transport that contributes to accurate glossy appearance. In this paper we introduce a solution that separately solves for the global (low-rank, dense) and local (highrank, sparse) illumination components. For the low-rank component we introduce visibility clustering and approximation, while for the high-rank component we introduce a local light technique to correct for the missing illumination.
  • While many fast global illumination solutions have been proposed, all of them work under limiting assumptions on the materials and lighting in the scene. In the presence of many glossy (directionally scattering) materials, fast solutions either fail or degenerate to inefficient, brute-force simulations of the underlying light transport. In particular, many-light algorithms are able to provide fast approximations by clamping elements of the light transport matrix, but they eliminate the part of the transport that contributes to accurate glossy appearance. In this paper we introduce a solution that separately solves for the global (low-rank, dense) and local (highrank, sparse) illumination components. For the low-rank component we introduce visibility clustering and approximation, while for the high-rank component we introduce a local light technique to correct for the missing illumination. (en)
Title
  • Combining global and local virtual lights for detailed glossy illumination
  • Combining global and local virtual lights for detailed glossy illumination (en)
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  • Combining global and local virtual lights for detailed glossy illumination
  • Combining global and local virtual lights for detailed glossy illumination (en)
skos:notation
  • RIV/00216208:11320/10:10057072!RIV13-MSM-11320___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • R
http://linked.open...iv/cisloPeriodika
  • 6
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 251228
http://linked.open...ai/riv/idVysledku
  • RIV/00216208:11320/10:10057072
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • glossy reflections; VPL; virtual lights; global illumination; Computer graphics (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [A65D06503B9A]
http://linked.open...i/riv/nazevZdroje
  • ACM Transactions on Graphics
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 29
http://linked.open...iv/tvurceVysledku
  • Křivánek, Jaroslav
  • Slusallek, Philipp
  • Hašan, Miloš
  • Davidovič, Tomáš
  • Bala, Kavita
http://linked.open...ain/vavai/riv/wos
  • 000284943000007
issn
  • 0730-0301
number of pages
http://bibframe.org/vocab/doi
  • 10.1145/1882262.1866169
http://localhost/t...ganizacniJednotka
  • 11320
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