Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent Data

The physiological monitoring of older people using wearable sensors has shown great potential in improving their quality of life and preventing undesired events related to their health status. Nevertheless, creating robust predictive models from data collected unobtrusively in home environments can...

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Main Authors: Aimilia Papagiannaki, Evangelia I. Zacharaki, Gerasimos Kalouris, Spyridon Kalogiannis, Konstantinos Deltouzos, John Ellul, Vasileios Megalooikonomou
Format: Article
Language:English
Published: MDPI AG 2019-02-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/19/4/880
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author Aimilia Papagiannaki
Evangelia I. Zacharaki
Gerasimos Kalouris
Spyridon Kalogiannis
Konstantinos Deltouzos
John Ellul
Vasileios Megalooikonomou
author_facet Aimilia Papagiannaki
Evangelia I. Zacharaki
Gerasimos Kalouris
Spyridon Kalogiannis
Konstantinos Deltouzos
John Ellul
Vasileios Megalooikonomou
author_sort Aimilia Papagiannaki
collection DOAJ
description The physiological monitoring of older people using wearable sensors has shown great potential in improving their quality of life and preventing undesired events related to their health status. Nevertheless, creating robust predictive models from data collected unobtrusively in home environments can be challenging, especially for vulnerable ageing population. Under that premise, we propose an activity recognition scheme for older people exploiting feature extraction and machine learning, along with heuristic computational solutions to address the challenges due to inconsistent measurements in non-standardized environments. In addition, we compare the customized pipeline with deep learning architectures, such as convolutional neural networks, applied to raw sensor data without any pre- or post-processing adjustments. The results demonstrate that the generalizable deep architectures can compensate for inconsistencies during data acquisition providing a valuable alternative.
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spelling doaj.art-e78dc76304484af19cb5f91466f97c442022-12-22T04:23:09ZengMDPI AGSensors1424-82202019-02-0119488010.3390/s19040880s19040880Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent DataAimilia Papagiannaki0Evangelia I. Zacharaki1Gerasimos Kalouris2Spyridon Kalogiannis3Konstantinos Deltouzos4John Ellul5Vasileios Megalooikonomou6Department of Computer Engineering and Informatics, University of Patras, 26504 Patras, GreeceDepartment of Computer Engineering and Informatics, University of Patras, 26504 Patras, GreeceDepartment of Computer Engineering and Informatics, University of Patras, 26504 Patras, GreeceDepartment of Computer Engineering and Informatics, University of Patras, 26504 Patras, GreeceDepartment of Computer Engineering and Informatics, University of Patras, 26504 Patras, GreeceDepartment of Neurology, University Hospital of Patras, 26504 Patras, GreeceDepartment of Computer Engineering and Informatics, University of Patras, 26504 Patras, GreeceThe physiological monitoring of older people using wearable sensors has shown great potential in improving their quality of life and preventing undesired events related to their health status. Nevertheless, creating robust predictive models from data collected unobtrusively in home environments can be challenging, especially for vulnerable ageing population. Under that premise, we propose an activity recognition scheme for older people exploiting feature extraction and machine learning, along with heuristic computational solutions to address the challenges due to inconsistent measurements in non-standardized environments. In addition, we compare the customized pipeline with deep learning architectures, such as convolutional neural networks, applied to raw sensor data without any pre- or post-processing adjustments. The results demonstrate that the generalizable deep architectures can compensate for inconsistencies during data acquisition providing a valuable alternative.https://www.mdpi.com/1424-8220/19/4/880activity recognitionsupport vector machine (SVM) classificationdeep learningconvolutional neural networkswearable devicesphysiological monitoring
spellingShingle Aimilia Papagiannaki
Evangelia I. Zacharaki
Gerasimos Kalouris
Spyridon Kalogiannis
Konstantinos Deltouzos
John Ellul
Vasileios Megalooikonomou
Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent Data
Sensors
activity recognition
support vector machine (SVM) classification
deep learning
convolutional neural networks
wearable devices
physiological monitoring
title Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent Data
title_full Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent Data
title_fullStr Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent Data
title_full_unstemmed Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent Data
title_short Recognizing Physical Activity of Older People from Wearable Sensors and Inconsistent Data
title_sort recognizing physical activity of older people from wearable sensors and inconsistent data
topic activity recognition
support vector machine (SVM) classification
deep learning
convolutional neural networks
wearable devices
physiological monitoring
url https://www.mdpi.com/1424-8220/19/4/880
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