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dc.contributor.authorDécoret, Xavieren_US
dc.contributor.authorDebunne, Gillesen_US
dc.contributor.authorSillion, Françoisen_US
dc.contributor.editorPhilip Dutre and Frank Suykens and Per H. Christensen and Daniel Cohen-Oren_US
dc.date.accessioned2014-01-27T14:22:53Z
dc.date.available2014-01-27T14:22:53Z
dc.date.issued2003en_US
dc.identifier.isbn3-905673-03-7en_US
dc.identifier.issn1727-3463en_US
dc.identifier.urihttp://dx.doi.org/10.2312/EGWR/EGWR03/281-288en_US
dc.description.abstractThis paper presents a novel method for computing visibility in 2.5D environments based on a novel theoretical result: the visibility from a region can be conservatively estimated by computing the visibility from a point using appropriately "shrunk" occluders and occludees. We show how approximate, yet conservative, shrunk objects can be efficiently computed in an urban environment. The technique provides a tighter potentially visible set (PVS) compared to the original method in which only occluders are shrunk. Finally, theoretical implications of the shrinking theorem are discussed, opening new research directions.en_US
dc.publisherThe Eurographics Associationen_US
dc.titleErosion Based Visibility Preprocessingen_US
dc.description.seriesinformationEurographics Workshop on Renderingen_US


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