Performance Evaluation of Differentiated Services to MPEG-4 FGS Videl Streaming 


Vol. 27,  No. 7, pp. 711-723, Jul.  2002


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  Abstract

A finer granular scalable (FGS) version of ISO/IEC MPEG-4 video streaming is investigated in this work with the prioritized stream delivery over loss-rate differentiated networks. Our proposed system is focused on the seamless integration of rate adaptation, prioritized packetization, and simplified differentiation for the MPEG-4 FGS video streaming. The proposed system consists of three key components: I) rate adaptation with scalable source encoding, 2) content-aware prioritized packetization, and 3) loss-based differential forwarding. More specifically, a constant-quality rate adaptation is first achieved by optimally truncating the over-coded FGS stream based on the embedding rate-distortion (R-D) information (obtained from a piecewise linear R-D model). The rate-controlled video stream is then packetized and prioritized according to the loss impact of each packet. Prioritized packets are transmitted over the underlying network, where packets are subject to differentiated dropping and forwarding. By focusing on the end-to-end quality, we establish an effective working conditions for the proposed video streaming and the superior performance is verified by simulated MPEG-4 FGS video streaming.

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  Cite this article

[IEEE Style]

J. Shin and J. Kim, "Performance Evaluation of Differentiated Services to MPEG-4 FGS Videl Streaming," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 7, pp. 711-723, 2002. DOI: .

[ACM Style]

Jitae Shin and JongWon Kim. 2002. Performance Evaluation of Differentiated Services to MPEG-4 FGS Videl Streaming. The Journal of Korean Institute of Communications and Information Sciences, 27, 7, (2002), 711-723. DOI: .

[KICS Style]

Jitae Shin and JongWon Kim, "Performance Evaluation of Differentiated Services to MPEG-4 FGS Videl Streaming," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 7, pp. 711-723, 7. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880