Selecting Effective Occluders for Visibility Culling

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dc.contributor.authorKoltun, Vladlenen_US
dc.contributor.authorCohen-Or, Danielen_US
dc.date.accessioned2015-11-11T18:03:35Z
dc.date.available2015-11-11T18:03:35Z
dc.date.issued2000en_US
dc.description.abstractThis paper deals with the problem of identifying effective occluders for visibility culling. The solid-angle metric is commonly used for measuring the potential significance of occluders from a single viewpoint. In this paper, we show that it does not extend properly to from-region occlusion calculations. We propose to measure the effectiveness of an occluder by means of the size of its umbra. We first present an analytic object-space algorithm to accurately compute this measure. We then define an approximation which reflects the effectiveness of an occluder, and introduce a hardware-assisted algorithm to rapidly compute it.en_US
dc.description.seriesinformationEurographics 2000 - Short Presentationsen_US
dc.identifier.issn1017-4656en_US
dc.identifier.urihttps://doi.org/10.2312/egs.20001009en_US
dc.publisherEurographics Associationen_US
dc.titleSelecting Effective Occluders for Visibility Cullingen_US
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