NDLI: Fuzzy preprocessing and artificial neural network classification for the diagnostic interpretation of the resting ECG

Content Provider	IEEE Xplore Digital Library
Author	Silipo, R. Bortolan, G. Marchesi, C.
Copyright Year	1995
Description	Author affiliation: Dept. Sistemi e Informatica, Firenze Univ., Padova, Italy (Silipo, R.; Bortolan, G.; Marchesi, C.)
Abstract	An hybrid system for the interpretation of the 12 leads resting ECG has been designed and tested. A preprocessor based on fuzzy set theory has been embedded in an artificial neural network classifier. A well documented ECG database, produced at the University of Leuven and used for evaluating other ECG diagnostic programs has been chosen for training and testing the hybrid system. It contains 3266 12 lead ECG records clinically tested. A layer of Radial Basis Functions used as fuzzy activation functions, are embedded in a neural network architecture for fuzzy preprocessing every input pattern. Several networks have been implemented and tested by varying learning rules, system architecture, and the various parameters of the hybrid system. A pruning technique is also applied to reduce the system size. Several classification strategies have been generated by varying the roles of the network output units, and have been evaluated as well. The results show that this combination of fuzzy and neural techniques is effective even for small structures. The best system reached the 69% of average sensitivity and 94% of average specificity on the test set. Thus it shows very promising performances, since they are comparable with those of traditional elaborated systems. This hybrid architecture has a further interesting feature to be deeply investigated since in principle it allows the interpretation/explanation of the results obtained from a neural network.
Starting Page	365
Ending Page	368
File Size	480605
Page Count	4
File Format	PDF
ISBN	0780330536
DOI	10.1109/CIC.1995.482661
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-09-10
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fuzzy neural networks Artificial neural networks Electrocardiography System testing Fuzzy systems Neural networks Data preprocessing Databases Pattern analysis Uncertainty
Content Type	Text
Resource Type	Article

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