Statistics of Video Signals for Viewphone-Type Pictures

Hin Soon Chin, John W. Goodge, Roy Griffiths, David J. Parish

Research output: Contribution to journalArticle

25 Scopus citations


This paper describes a series of measurements of the statistics of viewphone-type video signals taking particular regard to the possible transmission of such signals over an asynchronous transfer mode (ATM) network. Measurements include the frame-to-frame differences and the cluster length distribution. It is well known that with efficient picture coding, the information rate required for a constant picture quality varies significantly and creates problems in a constant bit rate system. The multiplexing of a number of sources in a variable bit rate system was considered and it is shown that considerable reduction in the variability of the data rate is obtained.

Original languageEnglish (US)
Pages (from-to)826-832
Number of pages7
JournalIEEE Journal on Selected Areas in Communications
Issue number5
StatePublished - Jun 1989

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