Layered coding for ATM based video distribution systems

Mitsuru Nomura, Tetsurou Fujii, Naohisa Ohta

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


This paper discusses packet loss and its protection in an asynchronous transfer mode (ATM) based video distribution system. Packet losses in ATM based networks have such a great impact on the design of coding algorithms and network architectures that they should be exhaustively discussed and resolved. In this paper, first basic configuration of the ATM based video transmission system and its packet-loss protection schemes are discussed. The DCT based layered coding scheme with packet priority classification is proposed as an effective packet-loss protection scheme. Burstiness characteristics of the broadcast video sources are evaluated and modeled to clarify statistical multiplexing performance and packet-loss properties. The quality degradation caused by the packet losses is also evaluated by the SNR, and the superior performance of the proposed layered coding scheme is verified.

Original languageEnglish
Pages (from-to)301-311
Number of pages11
JournalSignal Processing: Image Communication
Issue number4
Publication statusPublished - 1991 Sept


  • ATM
  • DCT
  • Image coding

ASJC Scopus subject areas

  • Software
  • Signal Processing
  • Computer Vision and Pattern Recognition
  • Electrical and Electronic Engineering


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