DocumentCode
2919064
Title
A Genetic Algorithm approach for selecting Tikhonov regularization parameter
Author
Wu, Chuansheng ; He, Jinrong ; Zou, Xiufen
Author_Institution
Sch. of Sci., Wuhan Univ. of Technol., Wuhan
fYear
2008
fDate
1-6 June 2008
Firstpage
3980
Lastpage
3983
Abstract
This paper presents a genetic algorithm approach for selecting a Tikhonov regularization parameter. In using Tikhonov parameters regularization for solving ill problems, in terms of inverse problems of the first category, we could first apply discrete regularization method to transfer it into linear algebraic equations, and then get regular solutions by solving of Euler equations which is of minimum functional equivalence for Tikhonov. As to the selection of regularization parameter, this paper choose a genetic algorithm approach, which takes Morozov deviation equation as fitness function for genetic algorithm approach, and dynamically selects regularization parameter by designing genetic operation like crossover, mutation and genetic selection. Numerical results show that it is a feasible as well as an effective approach for selecting regularization parameter.
Keywords
genetic algorithms; inverse problems; linear algebra; Euler equations; Morozov deviation equation; Tikhonov regularization parameter; discrete regularization method; fitness function; genetic algorithm; genetic operation; inverse problems; linear algebraic equations; Algorithm design and analysis; Binary sequences; Biological cells; Decoding; Encoding; Equations; Genetic algorithms; Genetic mutations; Helium; Inverse problems;
fLanguage
English
Publisher
ieee
Conference_Titel
Evolutionary Computation, 2008. CEC 2008. (IEEE World Congress on Computational Intelligence). IEEE Congress on
Conference_Location
Hong Kong
Print_ISBN
978-1-4244-1822-0
Electronic_ISBN
978-1-4244-1823-7
Type
conf
DOI
10.1109/CEC.2008.4631339
Filename
4631339
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