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3DTI Amphitheater: Towards 3DTI Broadcasting

3DTI Amphitheater: Towards 3DTI Broadcasting 3DTI Amphitheater: Towards 3DTI Broadcasting SHANNON CHEN, ZHENHUAN GAO, KLARA NAHRSTEDT, and INDRANIL GUPTA, University of Illinois at Urbana-Champaign 3DTI Amphitheater is a live broadcasting system for dissemination of 3DTI (3D Tele-immersive) content. The virtual environment constructed by the system mimics an amphitheater in the real world, where performers interact with each other in the central circular stage, and the audience is placed in virtual seats that surround the stage. Users of the Amphitheater can be geographically dispersed and the streams created by the performer sites are disseminated in a P2P network among the participants. To deal with the high bandwidth demand and strict latency bound of the service, we identify the hierarchical priority of streams in construction of the content dissemination forest. Result shows that the Amphitheater outperforms prior 3DTI systems by boosting the application QoS by a factor of 2.8 while sustaining the same hundred-scale audience group. Categories and Subject Descriptors: C.2.1 [Computer Communication Networks]: Network Architecture and Design; C.2.4 [Computer Communication Networks]: Distributed Systems General Terms: Design, Algorithms Additional Key Words and Phrases: 3D Tele-immersion, broadcasting, content dissemination ACM Reference Format: Shannon Chen, Zhenhuan Gao, Klara Nahrstedt, and Indranil Gupta. 2015. 3DTI amphitheater: Towards 3DTI http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM) Association for Computing Machinery

3DTI Amphitheater: Towards 3DTI Broadcasting

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Publisher
Association for Computing Machinery
Copyright
Copyright © 2015 by ACM Inc.
ISSN
1551-6857
DOI
10.1145/2700297
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Abstract

3DTI Amphitheater: Towards 3DTI Broadcasting SHANNON CHEN, ZHENHUAN GAO, KLARA NAHRSTEDT, and INDRANIL GUPTA, University of Illinois at Urbana-Champaign 3DTI Amphitheater is a live broadcasting system for dissemination of 3DTI (3D Tele-immersive) content. The virtual environment constructed by the system mimics an amphitheater in the real world, where performers interact with each other in the central circular stage, and the audience is placed in virtual seats that surround the stage. Users of the Amphitheater can be geographically dispersed and the streams created by the performer sites are disseminated in a P2P network among the participants. To deal with the high bandwidth demand and strict latency bound of the service, we identify the hierarchical priority of streams in construction of the content dissemination forest. Result shows that the Amphitheater outperforms prior 3DTI systems by boosting the application QoS by a factor of 2.8 while sustaining the same hundred-scale audience group. Categories and Subject Descriptors: C.2.1 [Computer Communication Networks]: Network Architecture and Design; C.2.4 [Computer Communication Networks]: Distributed Systems General Terms: Design, Algorithms Additional Key Words and Phrases: 3D Tele-immersion, broadcasting, content dissemination ACM Reference Format: Shannon Chen, Zhenhuan Gao, Klara Nahrstedt, and Indranil Gupta. 2015. 3DTI amphitheater: Towards 3DTI

Journal

ACM Transactions on Multimedia Computing, Communications, and Applications (TOMM) – Association for Computing Machinery

Published: Feb 24, 2015

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