Unobtrusive, Continuous, In-Home Gait Measurement Using the Microsoft Kinect

A system for capturing habitual, in-home gait measurements using an environmentally mounted depth camera, the Microsoft Kinect, is presented. Previous work evaluating the use of the Kinect sensor for in-home gait measurement in a lab setting has shown the potential of this approach. In this paper, a...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 2013-10, Vol.60 (10), p.2925-2932
Main Authors: Stone, Erik E., Skubic, Marjorie
Format: Article
Language:English
Subjects:
Accelerometry - instrumentation
Actigraphy - instrumentation
Aged
Aged, 80 and over
Algorithms
Biomedical monitoring
Depth camera
Equipment Design
Equipment Failure Analysis
fall risk
gait
Gait - physiology
Geriatric Assessment - methods
Home Care Services
Humans
Kinect
Legged locomotion
Monitoring
Monitoring, Ambulatory - instrumentation
Reproducibility of Results
Risk management
Sensitivity and Specificity
Time measurement
Video Games
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Description
Summary:A system for capturing habitual, in-home gait measurements using an environmentally mounted depth camera, the Microsoft Kinect, is presented. Previous work evaluating the use of the Kinect sensor for in-home gait measurement in a lab setting has shown the potential of this approach. In this paper, a single Kinect sensor and computer were deployed in the apartments of older adults in an independent living facility for the purpose of continuous, in-home gait measurement. In addition, a monthly fall risk assessment protocol was conducted for each resident by a clinician, which included traditional tools such as the timed up a go and habitual gait speed tests. A probabilistic methodology for generating automated gait estimates over time for the residents of the apartments from the Kinect data is described, along with results from the apartments as compared to two of the traditionally measured fall risk assessment tools. Potential applications and future work are discussed.
ISSN:0018-9294
1558-2531
DOI:10.1109/TBME.2013.2266341