The Visibility Skeleton Frdo Durand, George Drettakis, Claude Puech - - PowerPoint PPT Presentation

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the visibility skeleton
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The Visibility Skeleton Frdo Durand, George Drettakis, Claude Puech - - PowerPoint PPT Presentation

Aug 31, 2023 277 likes •382 views

The Visibility Skeleton Frdo Durand, George Drettakis, Claude Puech Visibility Skeleton Graph of visual events (visibility changes): Nodes Extremal stabbing lines (0D). Arcs Critical line sets or line swaths (1D). Generator

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SLIDE 1

The Visibility Skeleton

Frédo Durand, George Drettakis, Claude Puech

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SLIDE 2

Visibility Skeleton

Graph of visual events (visibility changes):

  • Nodes → Extremal stabbing lines (0D).
  • Arcs → Critical line sets or line swaths (1D).

Generator elements:

  • Vertices.
  • Edges.
  • Faces.
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SLIDE 3

Nodes

EV line swaths

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SLIDE 4

Arcs

VEE extremal stabbing line

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SLIDE 5

1D Elements

VE Line Swath EEE Line Swath

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SLIDE 6

1D Elements

FV Line Swath FE Line Swath

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SLIDE 7

0D Elements

VV Node

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SLIDE 8

0D Elements

VEE Node

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SLIDE 9

0D Elements

EEEE Node

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SLIDE 10

Results