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A Method for Two EEC Sources Localization by Combining BP Neural Networks with Nonlinear Least Square Method

  • Q. Zhang*
  • , X. Bai
  • , M. Akutagawa
  • , H. Nagashino
  • , Y. Kinouchi
  • , F. Shichijo
  • , S. Nagahiro
  • , L. Ding
  • *Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

EEG source localization is well known as an important inverse problem of electrophysiology. Usually there is no closed-form solution for this v problem and it requires iterative techniques such as the Levenberg-Marquardt algorithm. However, the method requires long computing times, huge memory and large number of electrodes to avoid local minima. To overcome these problems, a method combining back propagation neural network (BPNN) with nonlinear least square method (NLS) is therefore proposed in this study. The new method shows how to estimate an approximate solution of the inverse problem by the BPNN method, and how to select the initial value of the NLS method due to the results of BPNN to obtain the optimum solution, where the problem is solved by POWELL iterative algorithm.

Original languageEnglish
Title of host publicationProceedings of the 7th International Conference on Control, Automation, Robotics and Vision, ICARCV 2002
Pages536-541
Number of pages6
StatePublished - 2002
Externally publishedYes
EventProceedings of the 7th International Conference on Control, Automation, Robotics and Vision, ICARC 2002 - Singapore, Singapore
Duration: 2 Dec 20025 Dec 2002

Publication series

NameProceedings of the 7th International Conference on Control, Automation, Robotics and Vision, ICARCV 2002

Conference

ConferenceProceedings of the 7th International Conference on Control, Automation, Robotics and Vision, ICARC 2002
Country/TerritorySingapore
CitySingapore
Period2/12/025/12/02

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