A Point-based System for Local and Remote Exploration of Dense 3D Scanned Models

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dc.contributor.authorBettio, Fabioen_US
dc.contributor.authorGobbetti, Enricoen_US
dc.contributor.authorMarton, Fabioen_US
dc.contributor.authorTinti, Alexen_US
dc.contributor.authorMerella, Emilioen_US
dc.contributor.authorCombet, Robertoen_US
dc.contributor.editorKurt Debattista and Cinzia Perlingieri and Denis Pitzalis and Sandro Spinaen_US
dc.date.accessioned2014-01-31T15:27:38Z
dc.date.available2014-01-31T15:27:38Z
dc.date.issued2009en_US
dc.description.abstractWe present a client-server framework for network distribution and real-time point-based rendering of large 3D models on commodity graphics platforms. Model inspection, based on a one-touch interface, is enriched by a bidirectional hyperlink system which provides access to multiple layers of multimedia contents linking different parts of the 3D model many information sources. In addition to view and light control, users can perform simple 3D operations like angle, distance and area measurements on the 3D model. An authoring tool derived from the basic client allows users to add multimedia content to the model description. Our rendering method is based on a coarse grained multiresolution structure, where each node contains thousands of point samples. At runtime, a view-dependent refinement process incrementally updates the current GPU-cached model representation from local or remote out-of-core data. Vertex and fragment shaders are used for high quality elliptical sample drawing and a variety of shading effects. The system is demonstrated with examples that range from documentation and inspection of small artifacts to exploration of large sites, in both a museum and a large scale distribution setting.en_US
dc.description.seriesinformationVAST: International Symposium on Virtual Reality, Archaeology and Intelligent Cultural Heritageen_US
dc.identifier.isbn978-3-905674-18-7en_US
dc.identifier.issn1811-864Xen_US
dc.identifier.urihttps://doi.org/10.2312/VAST/VAST09/025-032en_US
dc.publisherThe Eurographics Associationen_US
dc.subjectCategories and Subject Descriptors (according to ACM CCS): Computer Graphics [I.3.3]: Picture and Image Generation - ; Computer Graphics [I.3.7]: Three-Dimensional Graphics and Realismen_US
dc.titleA Point-based System for Local and Remote Exploration of Dense 3D Scanned Modelsen_US
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VAST09: The 10th International Symposium on Virtual Reality, Archaeology and Intelligent Cultural Heritage