Displacement patches for view-dependent rendering

Yotam Livny, Gilad Bauman, Jihad El-Sana

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


In this paper we present a new approach for interactive view-dependent rendering of large polygonal data sets which relies on advanced features of modern graphics hardware. Our preprocessing algorithm starts by generating a simplified representation of the input mesh. It then builds a multiresolution hierarchy for the simplified model. For each face in the hierarchy, it generates and assigns a displacement map that resembles the original surface represented by that face. At runtime, the multiresolution hierarchy is used to select a coarse view-dependent level-of-detail representation, which is sent to the graphics hardware. The GPU then refines the coarse representation by replacing each face with a planar tile, which is elevated according to the assigned displacement map. Our results show that our implementation achieves quality images at high frame rates.

Original languageEnglish
Pages (from-to)247-263
Number of pages17
JournalVisual Computer
Issue number3
StatePublished - 1 Mar 2012


  • GPU processing
  • Level-of-detail rendering
  • Subdivision surfaces
  • View-dependent rendering

ASJC Scopus subject areas

  • Software
  • Computer Vision and Pattern Recognition
  • Computer Graphics and Computer-Aided Design


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