An Efficient Smoothing Algorithm for Video Transmission at Variable Bit Rate


KIPS Transactions on Software and Data Engineering, Vol. 11, No. 7, pp. 1009-1022, Jul. 2004
10.3745/KIPSTC.2004.11.7.1009, Full Text:

Abstract

Smoothing is a transmission plan where variable rate video data is converted to a constant bit rate stream. Among them are CBA, MCBA, MVBA, e-PCRTT and others. E-PCRTT algorithm, which was improved from PCRTT, restricts the number of rate changes with fixed-size run. This causes unnecessary rate changes and may not guarantee QoS when buffer size is small. In this paper, a smoothing algorithm is proposed, where the number of rate changes are not limited and the size of run can be flexible, in order to overcome the shortcomings of e-PCRTT. Experiments demenstrated that the proposed algorithm outperformed other algorithms such as e-PCRTT. In order to show the performance, various evalution factors were used such as the number of rate changes, buffer size to maintain QoS, and so on.


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Cite this article
[IEEE Style]
M. J. Lee, J. Y. Lee and D. S. Park, "An Efficient Smoothing Algorithm for Video Transmission at Variable Bit Rate," KIPS Journal C (2001 ~ 2012) , vol. 11, no. 7, pp. 1009-1022, 2004. DOI: 10.3745/KIPSTC.2004.11.7.1009.

[ACM Style]
Myoun Jae Lee, Jun Yong Lee, and Do Soon Park. 2004. An Efficient Smoothing Algorithm for Video Transmission at Variable Bit Rate. KIPS Journal C (2001 ~ 2012) , 11, 7, (2004), 1009-1022. DOI: 10.3745/KIPSTC.2004.11.7.1009.