Robust image transmission over ATM networks based on scalable wavelet coding

Wen Jyi Hwang*, Chung Kun Wu, Ching Fung Chine

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We present a novel method for scalable and robust image transmission over ATM networks. The algorithm is based On a scalable set partitioning in hierarchical trees (SSPIHT) coding scheme, in which the encoded image bit streams for packeting and transmission are divided into a number of layers. By accumulating different numbers of layers in the decoder side, images with different resolutions and distortions can be reconstructed. Decoders having different capacities therefore can share the same encoder. In addition, these layers have different degrees of significance so that transmission errors in insignificant layers will not cause severe degradation in performance for image reconstruction. Finally, we describe three basic schemes for the transmission of SSPIHT-encoded cells over ATM channels. Simulation results show that the algorithm is effective for the applications where robust and scalable transmissions are desired.

Original languageEnglish
Pages (from-to)2208-2215
Number of pages8
JournalOptical Engineering
Issue number9
Publication statusPublished - 2002 Sept
Externally publishedYes


  • Image coding
  • Image transmission
  • Wavelet transformation

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)


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