Modelo simple para fuentes de vídeo digital MPEG VBR con funciones gama (Simple model for VBR MPEG digital video sources with gamma functions)

Jose María Díez Jalón (, Vicente Casares (

1Universidad Cardenal Herrera
2Universidad Politécnica de Valencia

This paper appears in: Revista IEEE América Latina

Publication Date: June 2009
Volume: 7,   Issue: 2 
ISSN: 1548-0992

This article presents a very simple model based on gamma functions for MPEG1 and MPEG2 VBR digital video. This model is a simplification of Frey's et al model.It captures first grade statistics and the cyclicity of the autocorrelation function. Buffer overflow losses with the proposed model are of the same magnitude that buffer overflow losses of the original video clips. We have found three zones in the buffer overflow losses under certain conditions. Zone number two is of special interest because identified losses are produced by extraordinary large frames.

Index Terms:
Buffer loss, traffic model, VBR video, MPEG video   

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