NDLI: Optimization of heartbeat detection based on clustering and multimethod approach

Content Provider	IEEE Xplore Digital Library
Author	Sprager, S. Zazula, D.
Copyright Year	2012
Description	Author affiliation: Fac. of Electr. Eng. & Comput. Sci., Univ. of Maribor, Maribor, Slovenia (Sprager, S.; Zazula, D.)
Abstract	In this paper, an approach for optimizing heartbeat locations as detected in time by multimethod approach is proposed. The approach builds a two-dimensional representation of heartbeat locations obtained by several independent detection methods. The representation depends on heartbeat time instants and beat-to-beat intervals. It is first transformed into a smoothed two-dimensional histogram of points indicating individual heartbeat detections. Heartbeat time instants are determined as local maxima in the histogram. We tested our approach on signals acquired by optical interferometer. Seven subjects participated in the experiment, beginning by an ergometer exercise until they reached submaximal heart rate. A resting period followed, during which optical interferometric signal was taken unobtrusively in parallel with referential ECG. The proposed detection procedure was capable of tracking the changing heart rhythm by analyzing optical interferometric signals and comparing the results to the referential ECG recordings. Sensitivity 97.13±2.00% and precision 97.82±2.09% were obtained. Mean absolute error between detected beat-to-beat and referential RR intervals yielded 20.05±8.38 ms and corresponding mean relative error 7.47±3.19%.
Sponsorship	IEEE Eng. Medicine Biol. Soc.
Starting Page	5
Ending Page	8
File Size	1016249
Page Count	4
File Format	PDF
ISBN	9781424441198
ISSN	1557170X
e-ISBN	9781457717871
DOI	10.1109/EMBC.2012.6345857
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optical interferometry Heart beat Heart rate variability Optical fibers Adaptive optics Optical fiber sensors
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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