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Proceedings Paper

Orthogonal approximation order preserving prefilters for multiwavelets
Author(s): David W. Roach
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Paper Abstract

In this paper, we show the existence of third-order approximation order preserving prefilters for multiwavelets. We develop the necessary conditions needed to satisfy the approximation criteria and give a constructive proof of their existence. Additionally, we give an example prefilter for the Chui-Lian multiwavlet and implement the prefilter/multiwavelet in an image compression scheme. The compression results are then compared against the standard wavelets of Haar, D4, and D6.

Paper Details

Date Published: 5 December 2001
PDF: 12 pages
Proc. SPIE 4478, Wavelets: Applications in Signal and Image Processing IX, (5 December 2001); doi: 10.1117/12.449710
Show Author Affiliations
David W. Roach, Murray State Univ. (United States)


Published in SPIE Proceedings Vol. 4478:
Wavelets: Applications in Signal and Image Processing IX
Andrew F. Laine; Michael A. Unser; Akram Aldroubi, Editor(s)

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