Visibility streaming for network-based walkthroughs

Daniel Cohen-Or, Eyal Zadicario

Research output: Contribution to journalConference articlepeer-review

Abstract

In network-based walkthroughs the server transmits on-line only the primitives which are potentially visible from the client's current viewpoint (visibility streaming). To reduce the bandwidth requirements it is necessary to minimize the set of view-dependent potentially visible primitives using occlusion culling techniques. However, even a slight change in the viewpoint might require the computation and transmission of many new primitives and thus latency is inevitable. In this paper we present an algorithm for determining a conservative superset of an ε-neighborhood of a given viewpoint. Having such an ε-superset, the client is free to render the model independently of the server as long as he moves within that ε-neighborhood.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalProceedings - Graphics Interface
StatePublished - 1998
EventGraphics Interface '98 - Vancouver, BC, Can
Duration: 18 Jun 199820 Jun 1998

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