Multifractal modeling of MPEG-4 video traffic

WANG Sheng-hui; QIU Zheng-ding

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Multifractal modeling of MPEG-4 video traffic

更新时间：2024-10-14

- Multifractal modeling of MPEG-4 video traffic
- Issue 10, Pages: 44-50(2006)
- 作者机构：
  
  1. 北京交通大学信息所
  2. 北京交通大学信息所,北京,100044
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN919.8
- Published：2006
- 稿件说明：
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WANG Sheng-hui, QIU Zheng-ding. Multifractal modeling of MPEG-4 video traffic[J]. 2006, (10): 44-50.
DOI：

WANG Sheng-hui, QIU Zheng-ding. Multifractal modeling of MPEG-4 video traffic[J]. 2006, (10): 44-50. DOI：

摘要

从多重分形树的定义出发

分析了多重分形各尺度系数的边缘分布特性及系数间自相关函数的关系

并利用得到的结论提出了一种新的MPEG-4视频流量多重分形模型(PMFM

predictable MFM)。通过对最粗尺度系数进行auto-regressive短相关预测建模

该模型具有了传统多重分形模型不具备的流量预测能力;另外

模型改进了各尺度乘子的参数获取方式

使得多重分形模型的稳定性有了显著提高。

Abstract

The correlation function and marginal distribution of multipliers at each layer were investigated in multifractal multiplicative process.Based on the lemmas gained

a new multifractal MPEG-4 video traffic model（PMFM

predict-able MFM）was proposed.By modeling the coarsest coefficients with the auto-regressive（AR） process

PMFM has the ability of traffic prediction that traditional MFM do not have.Furthermore

the model stability and robustness were also improved by changing the way of parameter estimation.

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