NDLI: Use of stochastic grammars for hypnogram analysis

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Use of stochastic grammars for hypnogram analysis

Content Provider	IEEE Xplore Digital Library
Author	Fred, A.L.N. Leitao, J.M.N.
Copyright Year	1992
Description	Author affiliation: Centro de Analise e Processamento de Sinais, Inst. Superior Tecnico, Lisboa, Portugal (Fred, A.L.N.; Leitao, J.M.N.)
Abstract	The hypnogram is a schematic representation of sleep dynamics as a sequence of stages along the night. In a sense, it is a model of the so called sleep macrostructure. This paper considers the hypnogram as expression of a language whose structure is to be analysed and modeled in terms of stochastic grammars. These are inferred using Crespi-Reghizzi's method. A parsing algorithm, exploring the particular structure of the inferred grammars, has been developed. Classification strategies for both noisy and non-noisy patterns is also discussed. An example concerning a population of normals and a population of psychiatric (dysthymic) patients is presented.
Starting Page	242
Ending Page	245
File Size	275516
Page Count	4
File Format	PDF
ISBN	0818629150
DOI	10.1109/ICPR.1992.201764
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1992-08-30
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stochastic processes Psychology Electroencephalography Inspection Drugs Pathology Morphology Microstructure Context modeling Production
Content Type	Text
Resource Type	Article

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