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External Memory Management and Simplification of Huge Meshes

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dc.contributor.author Cignoni, P
dc.contributor.author Rocchini, C
dc.contributor.author Scopigno, R
dc.date.accessioned 2011-12-14T08:57:37Z
dc.date.available 2011-12-14T08:57:37Z
dc.date.issued 2002
dc.identifier.citation P.Cignoni, C.Rocchini, C.Montani, R.Scopigno pdficon.gif (245 bytes) External Memory Management and Simplification of Huge Meshes IEEE Trans. on Visualization and Comp. Graph., 2002 en_US
dc.identifier.uri http://vcg.isti.cnr.it/activities/surfacegrevis/simplification/oemm.htm
dc.identifier.uri http://hdl.handle.net/123456789/11820
dc.description.abstract Very large triangle meshes, i.e. meshes composed of millions of faces, are becoming common in many applications. Obviously, processing, rendering, transmission and archival of these meshes are not simple tasks. Mesh simplification and LOD management are a rather mature technology that in many cases can efficiently manage complex data. But only few available systems can manage meshes characterized by a huge size: RAM size is often a severe bottleneck. In this paper we present a data structure called Octree-based External Memory Mesh (OEMM ). It supports external memory management of complex meshes, loading dynamically in main memory only the selected sections and preserving data consistency during local updates. The functionalities implemented on this data structure (simplification, detail preservation, mesh editing, visualization and inspection) can be applied to huge triangles meshes on low cost PC platforms. Simplification is performed by adopting the approach based on edge collapse and quadric error. The time overhead due to the external memory management is affordable. Results of the test of our system on complex meshes are presented. en_US
dc.description.sponsorship We would like to thank Marc Levoy and the Stanford Computer Graphics Group for providing scanned data, and for choosing our simplified meshes as the official simplified models distributed from the Digital Michelangelo Project's Archive of 3D Models. en_US
dc.language.iso en en_US
dc.publisher IEEE en_US
dc.relation.ispartofseries Trans. on Visualization and Comp. Graph.;
dc.subject computer graphics en_US
dc.subject High resolution en_US
dc.title External Memory Management and Simplification of Huge Meshes en_US
dc.type Article en_US
dc.type Image en_US

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