Distributed wavelet transform for irregular sensor network grids

R. Wagner,Hyeokho Choi,Richard Baraniuk,V. Delouille

Published 2005 in IEEE/SP 13th Workshop on Statistical Signal Processing, 2005

ABSTRACT

Wavelet-based distributed data processing holds much promise for sensor networks; however, irregular sensor node placement precludes the direct application of standard wavelet techniques. In this paper, we develop a new distributed wavelet transform based on lifting that takes into account irregular sampling and provides a piecewise-planar multiresolution representation of the sensed data. We develop the transform theory; outline how to implement it in a multi-hop, wireless sensor network; and illustrate with several simulations. The new transform performs on par with conventional wavelet methods in a head-to-head comparison on a regular grid of sensor nodes

PUBLICATION RECORD

  • Publication year

    2005

  • Venue

    IEEE/SP 13th Workshop on Statistical Signal Processing, 2005

  • Publication date

    2005-07-17

  • Fields of study

    Computer Science, Engineering

  • Identifiers
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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