A model-based monitor of human sleep stages
Biological Cybernetics
Neural network model: application to automatic analysis of human sleep
Computers and Biomedical Research
Neural networks for pattern recognition
Neural networks for pattern recognition
Advanced methods for data mining
AIKED'09 Proceedings of the 8th WSEAS international conference on Artificial intelligence, knowledge engineering and data bases
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ACS'10 Proceedings of the 10th WSEAS international conference on Applied computer science
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It is common to use classifiers on polisomnographic records in order to determine the different stages during sleep. Most of the times the results yielded by this systems are not coherent with physiological aspects of the sleep. This work uses the Hidden Markov Models as a modeller of the physiological act of sleeping, and uses it as a corrector of the classification yielded by an artificial neural network. It has been tested on polisomnographic records from the MIT database. Results confirm an improvement of 0,17±0,05 in the Kappa coefficient of agreement and an improvement of 12,51±4,09% in success during test set.