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Limitation of and improvement to linear prediction and smoothing-based bandwidth allocation for VBR traffic

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2 Author(s)
Suili Feng ; EE Dept., South China Univ. of Technol., Guangzhou, China ; R. Sankar

Linear prediction methods have been widely used to forecast the bit rate varying of the coded video stream. In this paper we show that: (1) linear predictors are generally, suitable to predict the bit rate variation of the stream not containing scene changes or during a scene; (2) the proposed method based on scene change identification can improve the forecast performance; and (3) the dynamic bandwidth allocation scheme based on a smoothing algorithm can guarantee the delay upper limit not larger than a group frame cycle and make full use of the allocated bandwidth

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Global Telecommunications Conference, 1999. GLOBECOM '99  (Volume:1A )

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