Details of simulated annealing algorithm to estimate parameters of multiple current dipoles using biomagnetic data

Author

Sekihara, Kensuke ; Haneishi, Hideaki ; Ohyama, Nagaaki

Author_Institution

Hitachi Ltd., Tokyo, Japan

Volume

11

Issue

2

fYear

1992

fDate

6/1/1992 12:00:00 AM

Firstpage

293

Lastpage

299

Abstract

The details of the simulated annealing algorithm proposed to estimate the parameters of multiple current dipoles using biomagnetic data are described. The effects of the choices of such numerical conditions as the amount of estimate transitions, the equilibrium criterion, and the temperature decrement on the algorithm´s performance are discussed. Incorrect results from the computer simulation obtained with inappropriate choices of such conditions are presented. The verification of a near-optimum convergence by reheating and reannealing is demonstrated. A modification of this algorithm is proposed for implementation by parallel computer, and the validity of this parallel algorithm is demonstrated by computer simulation

Keywords

bioelectric phenomena; biomagnetism; parameter estimation; simulated annealing; biomagnetic data; computer simulation; multiple current dipoles; parallel algorithm validity; parallel computer; parameter estimation; reannealing; reheating; simulated annealing algorithm; temperature decrement; Bioinformatics; Biomagnetics; Bismuth; Circuit simulation; Computational modeling; Computer simulation; Cost function; Parameter estimation; Simulated annealing; Temperature;

fLanguage

English

Journal_Title

Medical Imaging, IEEE Transactions on

Publisher

ieee

ISSN

0278-0062

Type

jour

DOI

10.1109/42.141654

Filename

141654