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Comparative Interactivity Analysis in Multiview Video Coding Schemes

  • Yang, You (Broadband Network and Multimedia Laboratory, Department of Automation, Tsinghua University) ;
  • Dai, Qionghai (Broadband Network and Multimedia Laboratory, Department of Automation, Tsinghua University) ;
  • Jiang, Gangyi (Faculty of Information Science and Engineering, Ningbo University, State Key Laboratory for Novel Software Technology, Nanjing University) ;
  • Ho, Yo-Sung (School of Information and Communications, Gwangju Institute of Science and Technology)
  • Received : 2009.07.07
  • Accepted : 2010.05.13
  • Published : 2010.08.30

Abstract

In a multiview video system, interactivity is important for users and should be considered in the design of multiview video coding (MVC). In this paper, we present an interactivity evaluation model for MVC schemes by using both weighted random graph and Markov approaches. The main factors that affect both the interactivity and rate-distortion (RD) performances of MVC schemes are analyzed and discussed in detail. By taking these factors into consideration, a new MVC scheme is proposed for high interactivity and RD gains. Experimental results show that the proposed scheme has a significant interactivity gain with little coding loss, compared to the state-of-the-art benchmark. As an extension to RD performance analysis, the interactivity evaluation model can be used as a design tool of alternative schemes for a future interactive multiview video system.

Acknowledgement

Supported by : Natural Science Foundation of China

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