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EURASIP Journal on Advances in Signal Processing
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H.264/AVC Video Compressed Traces: Multifractal and Fractal Analysis

EURASIP Journal on Advances in Signal Processing volume 2006, Article number: 075217 (2006) Cite this article

Abstract

Publicly available long video traces encoded according to H.264/AVC were analyzed from the fractal and multifractal points of view. It was shown that such video traces, as compressed videos (H.261, H.263, and MPEG-4 Version 2) exhibit inherent long-range dependency, that is, fractal, property. Moreover they have high bit rate variability, particularly at higher compression ratios. Such signals may be better characterized by multifractal (MF) analysis, since this approach describes both local and global features of the process. From multifractal spectra of the frame size video traces it was shown that higher compression ratio produces broader and less regular MF spectra, indicating to higher MF nature and the existence of additive components in video traces. Considering individual frames (I, P, and B) and their MF spectra one can approve additive nature of compressed video and the particular influence of these frames to a whole MF spectrum. Since compressed video occupies a main part of transmission bandwidth, results obtained from MF analysis of compressed video may contribute to more accurate modeling of modern teletraffic. Moreover, by appropriate choice of the method for estimating MF quantities, an inverse MF analysis is possible, that means, from a once derived MF spectrum of observed signal it is possible to recognize and extract parts of the signal which are characterized by particular values of multifractal parameters. Intensive simulations and results obtained confirm the applicability and efficiency of MF analysis of compressed video.

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Authors and Affiliations

  1. Faculty of Electrical Engineering, University of Belgrade, Belgrade, 11000, Serbia and Montenegro

    Irini Reljin & Branimir Reljin

  2. Faculty of Traffic and Transport Engineering, University of Belgrade, Belgrade, 11000, Serbia and Montenegro

    Andreja Samčović

Authors
  1. Irini Reljin
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  2. Andreja Samčović
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  3. Branimir Reljin
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Correspondence to Irini Reljin.

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Open Access This article is distributed under the terms of the Creative Commons Attribution 2.0 International License ( https://creativecommons.org/licenses/by/2.0 ), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Reljin, I., Samčović, A. & Reljin, B. H.264/AVC Video Compressed Traces: Multifractal and Fractal Analysis. EURASIP J. Adv. Signal Process. 2006, 075217 (2006). https://doi.org/10.1155/ASP/2006/75217

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  • DOI: https://doi.org/10.1155/ASP/2006/75217

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