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基于时间序列分析的改进型MPEG视频序列流量模型 被引量:2

A Novel Improved MPEG Video Sequence Traffic Model
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摘要 提出了一种新的基于时间序列分析的改进型MPEG视频流量模型,利用消除趋势项、滑动平均过程等方式建模,并根据实际流量的分布,将预测流量进行概率分布转换.大量的仿真实验等方面说明,在预测误差、尾部概率分布、自相关函数和自相似性及GOP、视频帧两个时间尺度上,该模型同时兼顾了长时相关性和短时相关性,并保持了与实际流量相一致的自相似性. A novel improved MPEG video traffic model based on time series analysis presented by using trend component elimination and MA process in modelling. The frame_size probability distribution of predicted traffic cwas transformed under real situation. The prediction error, tail of probability distribution, auto_correlation function and self_similarity were considered. The model takes account of both LRD and SRD on GOP and viedo frame, and agrees with real traffic in self_similarity.
出处 《北京交通大学学报》 CAS CSCD 北大核心 2004年第5期32-35,共4页 JOURNAL OF BEIJING JIAOTONG UNIVERSITY
基金 国家自然科学基金资助项目(60472034)
关键词 时间序列 MPEG 序列流量 视频流量 活动图像专家组 趋势项 滑动平均 video traffic prediction trend component moving-average process Hurst parameter
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参考文献7

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同被引文献12

  • 1黄晓东,周源华,张荣福,周军.改进的基于乘法多重分形的视频流量模型[J].上海交通大学学报,2004,38(z1):178-181. 被引量:2
  • 2Frost V S,Melamed B.Traffic Modeling for Telecommunication Networks[J].IEEE Comm Mag,1994,(32):70~81.
  • 3Jagerman,D.L.,Melamed B,"The Transition and Autocorrelation Structrue of TES Processes (Part Ⅰ):General Theory",Stochastic Models,1992,(2):193~219.
  • 4Jagerman,D.L.,Melamed B,"The Transition and Autocorrelation Structrue of TES Processes (Part Ⅰ):General Theory",Stochastic Models,1992,8 (3):499~527.
  • 5Skelly P,Schwartz M,Dixit S.A Histogram-Based Model for video Traffic Behavior in an ATM Multiplexer[J].IEEE/ACM Trans.On Networking,1993,1 (4):446~459
  • 6Liu H,Ansari N,Shi Y Q.A Simple Model for MPEG Video Traffic[A].In:Multimedia and Expo,2000.ICME 2000.IEEE International Conference[C].2000,1.553~556
  • 7KrunzM M,Makowski A M.Modeling Video Traffic Using M/G/Input Process:A Compromise between Markovian and LRD Models[J].IEEE Journal on Selected Areas in Communication,1998,16(5):733~748.
  • 8Heyman D P,Lakeshman T V.Source Models for VBRBroadcast.Video Traffic[J].IEEE/ACM Trans.On Net-working,1996,4 (1):40~48.
  • 9胡常谦,梅顺良,郑君里.VBR视频业务的混沌特性与混沌信源建模[J].清华大学学报(自然科学版),2001,41(7):9-12. 被引量:4
  • 10洪飞,吴志美.MPEG-4视频业务的多重分形分析与建模[J].通信学报,2003,24(12):52-57. 被引量:4

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