Cited by 3Context-Aware Activity Recognition SystemsGait Recognition and AnalysisBalance, Gait, and Falls Prevention

Implementing Pattern Recognition and Matching techniques to automatically detect standardized functional tests from wearable technology

Vijayan, Vini, McKelvey, Nigel, Condell, Joan, Gardiner, Philip, Connolly, James·2020·2020 31st Irish Signals and Systems Conference (ISSC)

Abstract

Wearable sensor technology is often used in healthcare environments for monitoring, diagnosis and recovery of patients. Wearable sensors can be used to detect movement throughout measurement of standardized functional tests, which are considered part of the assessment criteria for Activities of Daily Living (ADL). The volume of data collected by sensors for long term assessment of ambulatory movement can be very large in tuple size since they may contain detailed 3-D sensor information. Extracting recorded movement data corresponding to standardized functional tests from an entire data set is complex and time consuming. This paper examines whether standardized functional tests can be automatically detected from long term data collected by wearable technology devices using Artificial Intelligence (AI) techniques. The current research work is aligned with clinical trial data generated by patients who are suffering from Axial Spondylo Arthritis (axSpA). These datasets contain Inertial Measurement Unit (IMU) values corresponding to individual patient functional tests for axSpA. Rotation angles with respect to each functional test are plotted against time. Individual movements that form part of a functional test are constructed for training and testing the AI system. Individual movement patterns are split into training and testing data inputs and are used to train the Neural Network (NN) system and to estimate overall prediction accuracy of the NN system. NN model is trained in such a way that the learned system can predict new functional test patterns with respect to the trained data and it is compared with expected data set and returned the accuracy of prediction. Once the semi supervised learning phase of AI system has successfully finished with adequate amount of data, it is capable for automatically detect gait and posture changes of patients at home.

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Crossref · 10.1109/issc49989.2020.9180174

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  • Wearable devices can inter-communicate using the human body as a transmission channel or through an appropriate transmission medium such as BLE, Zigbee or Wi-Fi.

    “They can inter-communicate using the human body as a transmission channel [11] or through an appropriate transmission medium, such as BLE, Zigbee or Wi-Fi.”

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Authors
Vijayan, V., McKelvey, N., Condell, J., Gardiner, P., & Connolly, J.
Affiliations
  • Letterkenny Institute of Technology (IE)
  • University of Ulster (GB)
Venue
2020 31st Irish Signals and Systems Conference (ISSC)
Publisher
IEEE
Published
2020-06
Volume
2
Pages
1-6
OpenAlex
W3082990625
Cited by
3
References
35
Citations by year
2022: 1 · 2021: 2
FWCI
0.23
Type
conference paper
Language
en
Open access
closed
Locations
Irish Signals and Systems Conference (publishedVersion)
Topics
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
  • Physical Sciences › Engineering › Biomedical Engineering › Gait Recognition and Analysis
  • Health Sciences › Health Professions › Physical Therapy, Sports Therapy and Rehabilitation › Balance, Gait, and Falls Prevention
Keywords
wearable sensors, inertial measurement unit, activities of daily living, axial spondyloarthritis, movement pattern recognition, artificial neural networks, semi-supervised learning, home-based patient monitoring

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