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Journal of Healthcare Engineering Volume 2019 ,2019-03-03
Registration and Analysis of Acceleration Data to Recognize Physical Activity
Research Article
Marcin Kołodziej 1 Andrzej Majkowski 1 Paweł Tarnowski 1 Remigiusz J. Rak 1 Dominik Gebert 1 Dariusz Sawicki 1
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DOI:10.1155/2019/9497151
Received 2018-10-22, accepted for publication 2019-01-09, Published 2019-01-09
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摘要

The purpose of the article is to check whether the acceleration signals recorded by a smartphone help identify a user’s physical activity type. The experiments were performed using the application installed in a smartphone, which was located on the hip of a subject. Acceleration signals were recorded for five types of physical activities (running, standing, going up the stairs, going down the stairs, and walking) for four users. The statistical parameters of the signal were used to extract features from the acceleration signal. In order to classify the type of activity, the quadratic discriminant analysis (QDA) was used. The accuracy of the user-independent classification for five types of activities was 83%. The accuracy of the user-dependent classification was in the range from 90% to 95%. The presented results indicate that the acceleration signal recorded by the device placed on the hip of a user allows us to effectively distinguish among several types of physical activity.

授权许可

Copyright © 2019 Marcin Kołodziej et al. 2019
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

通讯作者

Marcin Kołodziej.Institute of Theory of Electrical Engineering, Measurements and Information Systems, Warsaw University of Technology, Warsaw, Poland, pw.edu.pl.marcin.kolodziej@ee.pw.edu.pl

推荐引用方式

Marcin Kołodziej,Andrzej Majkowski,Paweł Tarnowski,Remigiusz J. Rak,Dominik Gebert,Dariusz Sawicki. Registration and Analysis of Acceleration Data to Recognize Physical Activity. Journal of Healthcare Engineering ,Vol.2019(2019)

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