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Description
  • není známa (cs)
  • We present a new method for ray tracing acceleration by modification of current spatial data structures. We augment a spatial hierarchy such as kd-tree with sparsely distributed bounding boxes that are linked from bottom to top. The augmented data structures can be viewed as a hybrid between kd-trees and uniform grids. The augmentation by boxes is used in new traversal algorithms, which are not restricted to start the hierarchy traversal at the root node. This is in particular efficient for short rays where we significantly reduce the number of traversal steps through the hierarchy. Further we make use of ray coherence as well as explicit knowledge of ray distribution and initiate the traversal near the leaf nodes where the intersection is expected.
  • We present a new method for ray tracing acceleration by modification of current spatial data structures. We augment a spatial hierarchy such as kd-tree with sparsely distributed bounding boxes that are linked from bottom to top. The augmented data structures can be viewed as a hybrid between kd-trees and uniform grids. The augmentation by boxes is used in new traversal algorithms, which are not restricted to start the hierarchy traversal at the root node. This is in particular efficient for short rays where we significantly reduce the number of traversal steps through the hierarchy. Further we make use of ray coherence as well as explicit knowledge of ray distribution and initiate the traversal near the leaf nodes where the intersection is expected. (en)
Title
  • Ray Tracing with Sparse Boxes
  • Sledování paprsků s využitím metody %22Sparse Boxes%22 (cs)
  • Ray Tracing with Sparse Boxes (en)
skos:prefLabel
  • Ray Tracing with Sparse Boxes
  • Sledování paprsků s využitím metody %22Sparse Boxes%22 (cs)
  • Ray Tracing with Sparse Boxes (en)
skos:notation
  • RIV/68407700:21230/07:03132820!RIV08-MSM-21230___
http://linked.open.../vavai/riv/strany
  • 49;54
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(LC06008)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 446457
http://linked.open...ai/riv/idVysledku
  • RIV/68407700:21230/07:03132820
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • data structures; ray tracing; visibility (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [AA39D75A189D]
http://linked.open...v/mistoKonaniAkce
  • Budmerice
http://linked.open...i/riv/mistoVydani
  • Bratislava
http://linked.open...i/riv/nazevZdroje
  • Spring Conference on Computer Graphics SCCG 2007. Conference Proceedings
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Bittner, Jiří
  • Havran, Vlastimil
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • Univerzita Komenského v Bratislave
https://schema.org/isbn
  • 978-80-223-2292-8
http://localhost/t...ganizacniJednotka
  • 21230
is http://linked.open...avai/riv/vysledek of
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