Edge-compensated wavelet analysis of irregularly supported fields

Mark A. Coffey; Delores M. Etter

doi:10.1117/12.255289

23 October 1996 Edge-compensated wavelet analysis of irregularly supported fields

Mark A. Coffey, Delores M. Etter

Proceedings Volume 2825, Wavelet Applications in Signal and Image Processing IV; (1996) https://doi.org/10.1117/12.255289
Event: SPIE's 1996 International Symposium on Optical Science, Engineering, and Instrumentation, 1996, Denver, CO, United States

Abstract

Though wavelets have been used extensively for image coding, compression,and denoising, they are also gaining popularity in the geophysical sciences as an analysis tool. Capitalizing on the wavelet's relatively tight localization in both the time and frequency domains, the wavelet transform of a data field can yield significant information about the localized frequency content of the underlying process. As an analysis technique, though, standard wavelet transforms suffer from some of the real work constraints that data sets often impose. Primary among these is the fact that the data set is not typically supported on a standard rectangular grid. We investigate the application of a boundary-compensated wavelet transform supported on an arbitrarily-shaped region. Applications to satellite-based altimetry of ocean basins are presented.

Citation Download Citation

Mark A. Coffey and Delores M. Etter "Edge-compensated wavelet analysis of irregularly supported fields", Proc. SPIE 2825, Wavelet Applications in Signal and Image Processing IV, (23 October 1996); https://doi.org/10.1117/12.255289

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