Human activity recognition of individuals with lower limb amputation in free-living conditions : a pilot study
Jamieson, Alexander and Murray, Laura and Stankovic, Lina and Stankovic, Vladimir and Buis, Arjan (2021) Human activity recognition of individuals with lower limb amputation in free-living conditions : a pilot study. Sensors, 21 (24). 8377. ISSN 1424-8220 (https://doi.org/10.3390/s21248377)
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Abstract
This pilot study aimed to investigate the implementation of supervised classifiers and a neural network for the recognition of activities carried out by Individuals with Lower Limb Amputation (ILLAs), as well as individuals without gait impairment, in free living conditions. Eight individuals with no gait impairments and four ILLAs wore a thigh-based accelerometer and walked on an improvised route in the vicinity of their homes across a variety of terrains. Various machine learning classifiers were trained and tested for recognition of walking activities. Additional investigations were made regarding the detail of the activity label versus classifier accuracy and whether the classifiers were capable of being trained exclusively on non-impaired individuals' data and could recognize physical activities carried out by ILLAs. At a basic level of label detail, Support Vector Machines (SVM) and Long-Short Term Memory (LSTM) networks were able to acquire 77–78% mean classification accuracy, which fell with increased label detail. Classifiers trained on individuals without gait impairment could not recognize activities carried out by ILLAs. This investigation presents the groundwork for a HAR system capable of recognizing a variety of walking activities, both for individuals with no gait impairments and ILLAs
ORCID iDs
Jamieson, Alexander, Murray, Laura ORCID: https://orcid.org/0000-0002-3338-9564, Stankovic, Lina ORCID: https://orcid.org/0000-0002-8112-1976, Stankovic, Vladimir ORCID: https://orcid.org/0000-0002-1075-2420 and Buis, Arjan ORCID: https://orcid.org/0000-0003-3947-293X;-
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Item type: Article ID code: 78955 Dates: DateEvent15 December 2021Published13 December 2021Accepted27 October 2021SubmittedSubjects: Technology > Engineering (General). Civil engineering (General) > Bioengineering Department: Faculty of Engineering > Biomedical Engineering
Strategic Research Themes > Health and Wellbeing
Faculty of Engineering > Electronic and Electrical EngineeringDepositing user: Pure Administrator Date deposited: 17 Dec 2021 09:43 Last modified: 04 Dec 2024 01:25 URI: https://strathprints.strath.ac.uk/id/eprint/78955