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High-quality networked terrain rendering from compressed bitstreams

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dc.contributor.author Bettio, Fabio
dc.contributor.author Gobbetti, Enrico
dc.contributor.author Marton, Fabio
dc.contributor.author Pintore, Giovanni
dc.date.accessioned 2014-04-23T10:22:54Z
dc.date.available 2014-04-23T10:22:54Z
dc.date.issued 2007-04
dc.identifier.isbn 978-1-59593-652-3 IT
dc.identifier.uri http://hdl.handle.net/11050/835
dc.description.abstract We describe a compressed multiresolution representation and a client-server architecture for supporting interactive high quality remote visualization of very large textured planar and spherical terrains. Our approach incrementally updates a chunked level-of-detail BDAM hierarchy by using precomputed wavelet coefficient matrices decoded from a compressed bitstream originating from a thin server. The structure combines the aggressive compression rates of wavelet-based image representations with the ability to ensure overall geometric continuity for variable resolution views of planar and spherical terrains with no need for run-time stitching. The efficiency of the approach is demonstrated on a large scale interactive remote visualization of global and local terrains on ADSL networks. A library implementing an early version of this work has been incorporated into a widely distributed geo-viewing system with tens of thousands of clients. IT
dc.language.iso en IT
dc.publisher ACM IT
dc.relation.ispartof Proceedings of the twelfth international conference on 3D web technology IT
dc.subject out-of-core algorithms IT
dc.subject network streaming IT
dc.subject data compression IT
dc.subject level-of-detail IT
dc.title High-quality networked terrain rendering from compressed bitstreams IT
dc.type Contributo in un libro IT
dc.description.numeropagine 37-44 IT
dc.subject.een-cordis EEN CORDIS::ELETTRONICA, INFORMATICA E TELECOMUNICAZIONI::Multimedia::Visualizzazione, realtà virtuale IT
dc.subject.progetti Progetti::Commessa interna/Internal service::CSR - Centro Servizi Regionali (RAS, Assto. Affari Generali) IT
dc.subject.program Program::Data Fusion::Visual Computing (VIC) IT

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