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Title: Eigenvector methods for automated detection of time-varying biomedical signals
Authors: Güler, İnan
Übeyli, Elif Derya
Keywords: Combined neural network (CNN)
Eigenvector methods
Mixture of experts (ME)
Time-varying biomedical signals
Issue Date: 2005
Source: 2005 ICSC Congress on Computational Intelligence Methods and Applications, 15 December 2005 through 17 December 2005, Istanbul, 69339
Abstract: In this paper, we present the automated diagnostic systems for time-varying biomedical signals classification and determine their accuracies. The combined neural network (CNN) and mixture of experts (ME) were tested and benchmarked for their performance on the classification of the studied time-varying biomedical signals (ophthalmic arterial Doppler signals and electroencephalogram signals). Decision making was performed in two stages: feature extraction by eigenvector methods and classification using the classifiers trained on the extracted features. The purpose was to determine an optimum classification scheme for the problem and also to infer clues about the extracted features. Our research demonstrated that the power levels of power spectral density (PSD) estimations obtained by the eigenvector methods are the valuable features which are representing the time-varying biomedical signals and the CNN and ME trained on these features achieved high classification accuracies.
ISBN: 1424400201; 9781424400201
Appears in Collections:Elektrik ve Elektronik Mühendisliği Bölümü / Department of Electrical & Electronics Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection

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