Improvements of multiple FGS layers coding for low-delay applications in SVC

Yanyan Zheng; Xiangyang Ji; Feng Wu; Debin Zhao; Wen Gao

doi:10.1117/12.705329

29 January 2007 Improvements of multiple FGS layers coding for low-delay applications in SVC

Yanyan Zheng, Xiangyang Ji, Feng Wu, Debin Zhao, Wen Gao

Proceedings Volume 6508, Visual Communications and Image Processing 2007; 65082Y (2007) https://doi.org/10.1117/12.705329
Event: Electronic Imaging 2007, 2007, San Jose, CA, United States

Abstract

For low-delay applications in Scalable Video Coding, there are two alternative coding strategies based on AR-FGS for compressing multiple FGS layers. However, their coding efficiencies both suffer largely from the inherent drifting errors. In this paper, a more efficient multiple FGS layers coding structure is presented, which can provide higher coding performance within wide bitrate range and stronger error resilience. This is achieved by incorporating the partial-reconstructed enhancement layer references, instead of the complete-reconstructed ones, into the motion-compensated prediction loop of the FGS layers. Thereupon the prediction drift can be effectively decreased, especially for the middle bitrate points. Further, through selecting different-quality enhancement layer references generated with cycle-based reconstruction mechanism, more flexible video quality can be supported to be more suitable for varied practical application requirements.

Citation Download Citation

Yanyan Zheng, Xiangyang Ji, Feng Wu, Debin Zhao, and Wen Gao "Improvements of multiple FGS layers coding for low-delay applications in SVC", Proc. SPIE 6508, Visual Communications and Image Processing 2007, 65082Y (29 January 2007); https://doi.org/10.1117/12.705329

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