On Coherence in Volume Rendering
Forschungsseminar Visualisierung
WS 98/99

Anna Vilanova i Bartrolı and Katja Bühler

• Contents
• Introduction
  • Definitions of coherence
  • Motivation
  • Definitions of different types of coherence relevant for volume rendering
  • The given volumetric data and the raycasting algorithm
• Pixel space coherence
  • General strategy
  • Technics exploiting pixel space coherence
• Object space coherence
  • Fast traversal of empty areas []
  • Progressive refinement 1[]
    • The pyramidal representation
    • The progressive refinement
  • Progressive refinement 2 []
    • Pyramid data structures
    • Applications
  • Proximity clouds []
  • Detection of areas with constant, linear and non-linear behaviour via Wavelt decomposition []
• Coherence in stereoscopic visualization
  • General
  • Ray-traced volume rendering []
    • Stereoscopic reprojection
    • Ray traced volume rendering
  • Fast stereo volume rendering []
    • Segment composition
    • Linearly-interpolated re-projection
  • Results
• Frame-to-Frame Coherency
  • Fast perspective projection volume navigation [] []
  • Using Space-Leaping and Frame to Frame Coherence
    [] []
    • Fast RayCasting of volume data []
    • Accelerating Volume rendering by Space-Leaping []
• Inter Ray Coherency and Shear-Wrap
  • Template-Based Volume Viewing []
  • Fast Volume Rendering Using a Shear-Warp Factorization of the Viewing Transform []
  • Fast Stereo Volume Rendering [](2nd Part)
• References
• About this document ...