MPEG-compliant joint source/channel coding using discrete cosine transform and substream scheduling for visual communication over packet networks

Seong-Whan Kim; Shan Suthaharan; Heung-Kyu Lee; K. R. Rao

doi:10.1117/1.1311794

1 January 2001 MPEG-compliant joint source/channel coding using discrete cosine transform and substream scheduling for visual communication over packet networks

Seong-Whan Kim, Shan Suthaharan, Heung-Kyu Lee, K. R. Rao

Author Affiliations +

Journal of Electronic Imaging, Vol. 10, Issue 1, (January 2001). https://doi.org/10.1117/1.1311794

Quality of Service (QoS)-guarantee in real-time communication for multimedia applications is significantly important. An architectural framework for multimedia networks based on substreams or flows is effectively exploited for combining source and channel coding for multimedia data. But the existing frame by frame approach which includes Moving Pictures Expert Group (MPEG) cannot be neglected because it is a standard. In this paper, first, we designed an MPEG transcoder which converts an MPEG coded stream into variable rate packet sequences to be used for our joint source/channel coding (JSCC) scheme. Second, we designed a classification scheme to partition the packet stream into multiple substreams which have their own QoS requirements. Finally, we designed a management (reservation and scheduling) scheme for substreams to support better perceptual video quality such as the bound of end-to-end jitter. We have shown that our JSCC scheme is better than two other two popular techniques by simulation and real video experiments on the TCP/IP environment.

©(2001) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Seong-Whan Kim, Shan Suthaharan, Heung-Kyu Lee, and K. R. Rao "MPEG-compliant joint source/channel coding using discrete cosine transform and substream scheduling for visual communication over packet networks," Journal of Electronic Imaging 10(1), (1 January 2001). https://doi.org/10.1117/1.1311794

Published: 1 January 2001

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