Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/134161
Title: Tree-structured local basis selection using genetic algorithms
Authors: Liu, Bao 
Ling, Shih-Fu
Issue Date: 1997
Source: Liu, Bao, Ling, Shih-Fu (1997). Tree-structured local basis selection using genetic algorithms. Proceedings of SPIE - The International Society for Optical Engineering 3078 : 334-342. ScholarBank@NUS Repository.
Abstract: A genetic algorithm for the selection of wavelet packet bases for various tasks is proposed. We introduce a transform operator to convert the constrained combinatorial basis selection problem to an unconstrained numerical optimization problem. This algorithm offers a great deal of flexibility for the selection of wavelet packet bases in terms of different criteria for different tasks. To demonstrate the performance of this algorithm, we present two examples respectively for signal approximation and signal classification. Although the algorithm is described with wavelet packets, it can also be used for the selection of other tree structured local bases, such as local trigonometric bases.
Source Title: Proceedings of SPIE - The International Society for Optical Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/134161
ISBN: 0819424935
ISSN: 0277786X
Appears in Collections:Staff Publications

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