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Abstract: What is the impact of autocorrelation of Variable Bit Rate (VBR) video sources on real-time scheduling algorithms? Our results show that the impact of long term, or interframe, autocorrelation is negligible, while the impact of short term, or intraframe, autocorrelation can be significant. Such results are essentially independent of the video coding scheme employed. To derive these results, we introduce a model that is based on statistical analysis performed on actual video data. Our model... (Update)
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...changes and sum of AR(1) processes capture autocorrelation function. Another model that accounts for scene changes was proposed by Lazar [37]. In their work, VBR video sequences were modeled as a collection of stationary subsequences corresponding to scenes. Within the...
.... variations over multiple time scales, which are not adequately characterized by standard traffic models such as the token bucket [13] 21] [22]. An alternative technique for supporting applications with illspecified traffic characteristics is a measurement based service: by...
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BibTeX entry: (Update)
A. A. Lazar, G. Pacifici, and D. E. Pendarakis, "Modeling video sources for realtime scheduling," Multimedia Systems, vol. 1, no. 6, pp. 253--266, 1994. http://citeseer.ist.psu.edu/lazar94modeling.html More
@article{ lazar94modeling,
author = "Aurel A. Lazar and Giovanni Pacifici and Dimitrios E. Pendarakis",
title = "Modeling Video Sources for Real-Time Scheduling",
journal = "Multimedia Systems",
volume = "1",
number = "6",
pages = "253-266",
year = "1994",
url = "citeseer.ist.psu.edu/lazar94modeling.html" }
Citations (may not include all citations):159 Performance models of statistical multiplexing in packet vid.. (context) - Maglaris, Anastasiou et al. - 1988
130 Real-time scheduling with quality of service constraints - Hyman, Lazar et al. - 1991
102 Statistical analysis and simulation study of video teleconfe.. (context) - Heyman, Tabatabai et al. - 1992
57 Modeling of video sources for real time scheduling - Lazar, Pacifici et al. - 1993
50 An architecture for integrated networks that guarantees qual.. - Lazar, Temple et al. - 1990
29 TES: A class of methods for generating autocorrelated unifor.. (context) - Melamed - 1991
28 Congestion control strategies for packet video (context) - Garrett, Vetterli - 1991
28 Characterization of video codecs as autoregressive moving av.. (context) - Gruenefelder, Cosmas et al. - 1991
23 A look at the MPEG video coding standard for variable bit ra.. - Pancha, Zarki - 1992
2 Analysis of a video multiplexer using tes as a modelling met.. (context) - Lee, Melamed et al. - 1991
1 A histogram-based model for video behavior in an ATM network (context) - Skelly, Dixit et al. - 1992
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