Towards symbolization of intensive monitoring data for knowledge based inference systems

Aki Mäkivirta, Tommi Sukuvaara, Erkki Koski, Seppo Kalli

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

Abstract

Computer programs have been built for automatic collection of all intensively monitored physiological data, their storage and retrieval, graphically browsing the data, and testing any processing methods. A robust method for performing symbolization is proposed and tested with real data using the programs mentioned above. The method for performing symbolization is based on the use of a median filter bank for extraction of activities within speed of variation ranges. These are used to characterize the signal contents in terms of variability to extract information about short-term activity and long-term trends. The symbolic description of the signal at a given moment is based on this information. The authors' method also gives information about the credibility of the activity findings and their symbolic representation.
Original languageEnglish
Title of host publicationProceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society
PublisherIEEE Institute of Electrical and Electronic Engineers
Pages1282-1284
ISBN (Print)0-7803-0785-2
DOIs
Publication statusPublished - 1988
MoE publication typeA4 Article in a conference publication
Event10th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS) - New Orleans, United States
Duration: 4 Nov 19887 Nov 1988

Conference

Conference10th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBS)
Country/TerritoryUnited States
CityNew Orleans
Period4/11/887/11/88

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