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A multiscale model for MPEG-4 varied bit rate video traffic

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3 Author(s)
Xiao-dong Huang ; Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ., China ; Yuan-hua Zhou ; Rong-fu Zhang

This paper studies modeling approach of MPEG-4 VBR video traffic based on multifractal multiplicative model. Multiscale analysis reveals that the multiplier distribution is different in style on different time scales. Based on statistical characteristics of the multipliers, a composite modeling approach is proposed: Gaussian distribution is used to fit multiplier distribution at large time scales, a new statistical distribution-Symmetric Pareto distribution to fit multiplier distribution at small time scales and a linear model to model frame traffic. Simulations are performed to validate the good effect of this approach.

Published in:

IEEE Transactions on Broadcasting  (Volume:50 ,  Issue: 3 )