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Characterization of variable rate inter-frame video coding for ATM-based networks

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3 Author(s)
Fujii, T. ; Transmission Syst. Lab., NTT, Kanagawa, Japan ; Nomura, M. ; Ohta, N.

The authors characterize variable-rate interframe video coding for an ATM (asynchronous transfer mode) -based environment, focusing on bursty characteristics of encoded information. Inter-frame DPCM (differential pulse code modulation), motion-compensated DPCM and motion-compensated DCT (discrete cosine transform) are examined. As a useful measure to characterize variable-rate video sources, the coefficient of variation is proposed to supplement conventional distribution and autocovariance. Modeling methods of variable-rate coders using the AR (autoregressive) process and coefficients of variation are introduced. The fitness of each model is evaluated by estimating stochastic multiplexing effects for a simple one-buffer one-server situation

Published in:

Global Telecommunications Conference, 1988, and Exhibition. 'Communications for the Information Age.' Conference Record, GLOBECOM '88., IEEE

Date of Conference:

28 Nov-1 Dec 1988