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| About site: http://www.3dcompression.com/ |
Title: Algorithms/Compression - 3D Graphics Compression Homepage A directory of 3D graphics compression information, researchers, and commercial products on the web.
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3Dcompression.com -- the homepage for 3D compression 3DCompression.com the homepage for information on compressing 3D graphics and other complex datasets for fast transmission and cheap storage Home PageDemos/DownloadsShort OverviewInfo Theory BackgrndLinks New Links People Companies Software 3D models Standards Info Related Books Conferences Papers Patents Other related sitesAbout the author and this site Ask a question Send us your questions, comments, and new links. our email This site and all its pages are Copyright (C) 1999 - 2002, Davis King,all rights reserved.  New! Read about our site and 3D compression at Computer Graphics WorldNew! A talk on 3D compression recently presented by Davis King talk slides Welcome to 3DCompression.com, the homepage for information on compressing3D graphics, animated models, and other complex datasets for use on theInternet, wireless devices, and in other bandwidth-- and storage--limitedapplications.For comments, questions, or to submit new links, email the author, DavisKing (homepage -- email).Coming soon -- check out our database of papers on 3D compression! Sendus links to your papers so we can be sure to include them.This site has been supported by an Intel Fellowship, an NSF Grant,and the assistance of our access provider, SJB Communications. Wewould also like to thank Jarek Rosssignac and others at the GVU Centerat Georgia Tech for their advice and encouragement.Overview -- short version3D compression is a new branch of data compression aimed at the 3D modelsand other geometric datasets used in computer graphics, virtual reality,video games, CAD/CAM, and many scientific, engineering, and medical applications. Almost everyone on the Internet has used data compression to get interestingdata faster: ZIP for text and software, MP3 for music, JPEG andGIF for images, and MPEG4, Quicktime, and DVD for movies. Insome cases, new compression formats have even created new forms of entertainmentand new business models -- like mp3.com, napster, Internet-basedradio stations, and Internet short films. The field of 3D compression is attempting to achieve similar gainsfor 3D models, animation, and other much more complex types of data. Currently, its main use is to allow existing applications like e-commerce,collaborative CAD/CAM, video games, and medical visualization to use largerand more complex models over the Internet than they can use without compression. The goal of the field, however, is much larger: to allow new forms of art,business, and entertainment to emerge on the 3D web: 3D photographs, telepresencein virtual worlds, 3D product showrooms, and who knows what else.Existing 3D compression algorithms use both techniques adaptedfrom the 1D and 2D cases (like wavelets, entropy coding, and predictivecoding), and completely different approaches that take advantage of theproperties of 3D surfaces (like Edgebreaker, Subdivision Surfaces,and triangle strips).Several 3D compression tools are already commercially available, includingSun's Java 3D compression standard, IBM's MPEG4/Topological Surgery method,Virtue, Ltd.'s software, and some methods included in Intel's 3D softwareand Microsoft's DirectX. However, 3D compression remains an activearea of research, in part because many 3D models are still too large tobe used efficiently with currently available methods, and because no oneknows how much further 3D compression may be improved. Current methods for 3D compression may be grouped into three categories:Mesh-based methods that traverse a polygon mesh representing an object'ssurface -- Edgebreaker, Java3D compression, Topological Surgery, etc.Progressive and hierarchical methods that transmit a base mesh and a seriesof refinements -- Compressed Progressive Meshes, subdivision-based approaches,Compressed Normal MeshesImage-based approaches that encode not an object but a set of pictures-- QuicktimeVR and IPIXSince 3D compression is a really new field, many open research questionsremain. My own researchinvolves trying to figure out what the limits are, what factors determinehow much a given object may be compressed, and otherwise putting a moresolid theoretical foundation on the field. Copyright (C) 1999-2001, Davis KingThis page, the database, and all the pages on this site are copyright (C) 1999-2001, Davis King, all rights reserved, and it may not be reproduced or mirrored in any form or medium without permission, except for automatic caching or, with proper citation and attribution, for "fair use." Anyone is welcome to link to any of the pages on this site; we have included all the links here in good faith and will remove any links at the request of the author or owner of the linked page. This site is intended for informational and research purposes only, and nothing in this site should be construed as an offer to sell or an endorsement of any product, or as a warranty of the suitability or effectiveness of any technology for any particular application. |
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A | directory | of | 3D | graphics | compression | information, | researchers, | and | commercial | products | on | the | web. |
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http://www.3dcompression.com/
3D Graphics Compression Homepage 2008 December
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A directory of 3D graphics compression information, researchers, and commercial products on the web.
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