A quadtree dictionary approach to multi-resolution compression

  • Authors:
  • Rion Dooley

  • Affiliations:
  • Louisiana State University, Baton Rouge, LA

  • Venue:
  • ACM-SE 42 Proceedings of the 42nd annual Southeast regional conference
  • Year:
  • 2004

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Abstract

As we attempt to harness the power of tomorrow's mobile devices, intelligent information delivery becomes a primary concern. Getting the appropriate data to the resources that need it is referred to as the needs mismatch problem. In this paper we present a lossless multi-resolution compression technique based on a quadtree dictionary (QTD) that achieves 8:1 compression in the worst case. Test results show our method improves upon probabilistic, wavelet, and tree reduction techniques while providing 54:1 compression in the average case.