Walkthrough in complex environments at interactive rates using level-of-detail

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buir.contributor.authorSelçuk, Alper
buir.contributor.authorGüdükbay, Uğur
buir.contributor.authorÖzgüç, Bülent
dc.citation.epage72en_US
dc.citation.issueNumber1en_US
dc.citation.spage57en_US
dc.citation.volumeNumber10en_US
dc.contributor.authorSelçuk, Alperen_US
dc.contributor.authorGüdükbay, Uğuren_US
dc.contributor.authorÖzgüç, Bülenten_US
dc.date.accessioned2016-02-08T10:33:26Z
dc.date.available2016-02-08T10:33:26Z
dc.date.issued2002en_US
dc.departmentDepartment of Computer Engineeringen_US
dc.description.abstractOne of the biggest problems in computer graphics is displaying huge geometric models at interactive rates. A lot of work has been done to achieve the required frame-rates in architecture, simulation, computer-aided design and entertainment applications. In this paper, a system that enables walkthrough in complex environments using level-of-detail approximations is explained. The system uses hierarchical triangulated models as input. In the preprocessing phase, multiresolution models of objects are created using polygonal simplification techniques. During walkthrough, fast frustum culling based on bounding boxes is performed to eliminate branches of hierarchy that are not visible. An appropriate level for detail of objects is selected and displayed depending on the distance of the objects to the camera. For far nodes in the hierarchy, geometric data in lower levels is ignored and textured bounding boxes are displayed. The system achieves interactive frame rates for moderately complex models containing up to a million polygons.en_US
dc.identifier.issn1300-0632
dc.identifier.urihttp://hdl.handle.net/11693/24719
dc.language.isoEnglishen_US
dc.publisherTÜBİTAK
dc.source.titleTurkish Journal of Electrical Engineering and Computer Sciencesen_US
dc.subjectFrame rateen_US
dc.subjectGeometric simplificationen_US
dc.subjectLevel-of-detailen_US
dc.subjectRenderingen_US
dc.subjectVisibility cullingen_US
dc.subjectWalkthroughen_US
dc.subjectApproximation theoryen_US
dc.subjectComputational geometryen_US
dc.subjectComputer aided designen_US
dc.subjectComputer simulationen_US
dc.subjectData structuresen_US
dc.subjectInteractive computer systemsen_US
dc.subjectGeometric modelsen_US
dc.subjectInteractive computer graphicsen_US
dc.titleWalkthrough in complex environments at interactive rates using level-of-detailen_US
dc.typeArticleen_US
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