Title :
Discrete-time self-similar systems and stable distributions: applications to VBR video modeling
Author :
Narasimha, Rajesh ; Rao, Raghuveer M.
Author_Institution :
Electr. Eng. Dept., Rochester Inst. of Technol., NY, USA
fDate :
3/1/2003 12:00:00 AM
Abstract :
This paper investigates the application of discrete-time statistically self-similar systems to modeling variable-bit rate (VBR) video traces. Potential application to classifying scenes in VBR video is explored. The work is motivated by the fact that while VBR video has been characterized as self-similar by various researchers, models based on self-similarity considerations have not been previously studied. This paper also shows that using heavy-tailed inputs these models can be used to match both the scene density time-series autocorrelation as well as its marginal distribution.
Keywords :
correlation methods; data compression; image classification; statistical analysis; telecommunication traffic; time series; variable rate codes; video coding; white noise; VBR video modeling; discrete-time self-similar systems; heavy-tailed inputs; marginal distribution; scene density time-series autocorrelation; scenes classification; stable distributions; statistically self-similar systems; variable-bit rate video; video traffic; white-noise-driven models; Autocorrelation; Bandwidth; Broadcasting; Discrete transforms; Layout; Multimedia communication; Parametric statistics; Probability distribution; Tail; Traffic control;
Journal_Title :
Signal Processing Letters, IEEE
DOI :
10.1109/LSP.2003.808548