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Proceedings Paper

Anisotropic 2D wavelet packets and rectangular tiling: theory and algorithms
Author(s): Dan Xu; Minh N. Do
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Paper Abstract

We propose a new subspace decomposition scheme called anisotropic wavelet packets which broadens the existing definition of 2-D wavelet packets. By allowing arbitrary order of row and column decompositions, this scheme fully considers the adaptivity, which helps find the best bases to represent an image. We also show that the number of candidate tree structures in the anisotropic case is much larger than isotropic case. The greedy algorithm and double-tree algorithm are then presented and experimental results are shown.

Paper Details

Date Published: 13 November 2003
PDF: 12 pages
Proc. SPIE 5207, Wavelets: Applications in Signal and Image Processing X, (13 November 2003); doi: 10.1117/12.506601
Show Author Affiliations
Dan Xu, Univ. of Illinois/Urbana-Champaign (United States)
Minh N. Do, Univ. of Illinois/Urbana-Champaign (United States)


Published in SPIE Proceedings Vol. 5207:
Wavelets: Applications in Signal and Image Processing X
Michael A. Unser; Akram Aldroubi; Andrew F. Laine, Editor(s)

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