Multi-layered video coding for improving channel utilization in B-ISDN

  • Authors:
  • A. A. M. Ibrahim;P. Rolin;M. Hamdi

  • Affiliations:
  • -;-;-

  • Venue:
  • ISCC '97 Proceedings of the 2nd IEEE Symposium on Computers and Communications (ISCC '97)
  • Year:
  • 1997

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Abstract

We are concerned about the problem of transmitting constant quality video over the B-ISDN. A gain in channel utilization is achieved when several variable bit rate video sources share a common ATM connection. To achieve such gain, the impact of cell losses on video quality degradation should be considered. Multi-layered video coding has been shown to tolerate more cell losses than non-layered video coding while maintaining negligible quality degradation. We exploit this cell loss tolerability in a multi-layered video coding scheme to improve multiplexing efficiency while preserving a constant video quality.