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TeCo3D - Sharing Interactive and Dynamic 3D Models

Author(s): Martin Mauve.
Title: TeCo3D - Sharing Interactive and Dynamic 3D Models
Published: Kluwer Multimedia Tools and Applications 20 (3), pp. 283-304, August 2003
Keyword(s): 3D Telecooperation, VRML, Distributed Interactive Media, RTP/I
Abstract: In this paper we present a method for sharing interactiveand dynamic 3D models that are collaboration-unaware,i.e., models that have not been designed to be used by multipleusers at the same time. This functionality is an essential requirement for the inclusion of arbitrary 3D models, asgenerated by standard CAD or animation software, intoteleconferencing sessions. A key aim of this work is toshow that a large part of the required functionality can bedeveloped in a way so that it is reusable for other applicationssuch as shared whiteboards or networked computergames. Our method therefore consists of both an applicationdependent part that handles the specific tasks requiredfor sharing 3D models, and of a number of generic servicessuch as synchronization, scalable support for latecomers,and the ability to record and replay sessions. The genericservices are based on an abstract media model and theRTP/I application level protocol for distributed interactivemedia. Any other application for a medium that shares thismodel and that uses RTP/I may reuse these generic services.We have implemented a prototype called TeCo3D demonstratingthe feasibility of our approach.
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