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Layered unequal loss protection for image transmission over packet loss channels with delay constraints

  • Nanyang Technological University

Research output: Contribution to journal › Conference article › peer-review

Abstract

In the case of high bit rate image transmission or having lots of packets, the FEC (forward error correction) encoding and decoding processes in the ULP (unequal loss protection) based schemes should be applied to individual packet groups instead of all the packets in order to avoid long processing delay. In this paper, we propose a layered ULP (L-ULP) scheme for fast and efficient FEC allocations among different packet groups and also within each packet group. The numerical results show that the proposed L-ULP scheme is quite promising for fast image transmission over packet loss networks.

Original languageEnglish
Article number38
Pages (from-to)304-309
Number of pages6
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5600
DOIs
StatePublished - 2004
EventMultimedia Systems and Applications VII - Philadelphia, PA, United States
Duration: Oct 25 2004 → Oct 27 2004

Keywords

  • Forward error correction
  • Joint source-channel coding
  • Packet loss
  • Progressive image transmission
  • Unequal loss protection

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