Models for design, implementation and deployment of 3D Collaborative Virtual Environments
type: Dataset
contact point: Organization
  fn: CCSD
keyword: habilitation-a-diriger-des-recherches
keyword: virtual-reality
keyword: environnements-virtuels-collaboratifs
keyword: realite-virtuelle
keyword: collaborative-virtual-environments
keyword: interaction-immersive
keyword: infoinfo-grcomputer-science-csgraphics-csgr
keyword: interaction-3d
keyword: 3d-user-interaction
keyword: infoinfo-hccomputer-science-cshuman-computer-interaction-cshc
keyword: immersive-interaction
keyword: infoinfo-secomputer-science-cssoftware-engineering-csse
keyword: infoeu-reposemanticsother
landing page: https://theses.hal.science/tel-00764830
description: This work aims at providing some cues in order to address the essential requirements about the design of 3D Collaborative Virtual Environments (CVE). We have identified six essential topics that must be addressed when designing a CVE. For each of them, we present a state of the art about the solutions that can address this topic, then we show our own contributions: how we improve existing solutions and what are our new propositions. 1 - Choosing a model for the distribution of a CVE We need a distribution model to distribute as efficiently as possible the content of a CVE among all the nodes involved in its execution, including the machines of the distant users. Our proposition is to allow CVE designers to mix in a same CVE the three main distribution models usually encountered: centralized on a server, totally replicated on each site, or distributed according to a hybrid distribution model. 2 - Choosing a model for the synchronization of these nodes To maintain consistency between all the nodes involved in the execution of a CVE, we must choose between a strong synchronization or a relaxed one, or an in-between solution. Our proposition is to manage some temporary relaxation of the synchronization due to network breakdowns, with several synchronization groups of users, making them aware of these network breakdowns, and to allow some shared objects to migrate from one site to another. 3 - Adapting the Virtual Environment to various hardware systems VR applications must be adapted to the software and to the hardware input and output devices that are available at run-time, in order to be able to deploy a CVE onto di fferent kinds of hardware and software. Our solution is the PAC-C3D software architectural model which is able to deal with the three main distribution modes encountered in CVE. 4 - Designing interaction and collaboration in the VE Expressing the interactive and collaborative capabilities of the content of a CVE goes one step beyond geometric modeling, by …
issued: 2026-05-31T06:50:07.963412
language: en
modified: 2026-05-31T06:50:07.963418

test_moissonnage_selune
type: Agent

Models for design, implementation and deployment of 3D Collaborative Virtual Environments
type: Distribution
access URL: https://theses.hal.science/tel-00764830
format: HTML
issued: 2026-05-31T06:50:08.055391
modified: 2026-05-31T06:50:07.924014