Elderly activities recognition and classification for applications in assisted living

Published on Apr 1, 2013in Expert Systems With Applications4.292
· DOI :10.1016/J.ESWA.2012.09.004
Saisakul Chernbumroong6
Estimated H-index: 6
(Staffordshire University),
Shuang Cang17
Estimated H-index: 17
(BU: Bournemouth University)
+ 1 AuthorsHongnian Yu27
Estimated H-index: 27
(BU: Bournemouth University)
Assisted living systems can help support elderly persons with their daily activities in order to help them maintain healthy and safety while living independently. However, most current systems are ineffective in actual situation, difficult to use and have a low acceptance rate. There is a need for an assisted living solution to become intelligent and also practical issues such as user acceptance and usability need to be resolved in order to truly assist elderly people. Small, inexpensive and low-powered consumption sensors are now available which can be used in assisted living applications to provide sensitive and responsive services based on users current environments and situations. This paper aims to address the issue of how to develop an activity recognition method for a practical assisted living system in term of user acceptance, privacy (non-visual) and cost. The paper proposes an activity recognition and classification method for detection of Activities of Daily Livings (ADLs) of an elderly person using small, low-cost, non-intrusive non-stigmatize wrist worn sensors. Experimental results demonstrate that the proposed method can achieve a high classification rate (>90%). Statistical tests are employed to support this high classification rate of the proposed method. Also, we prove that by combining data from temperature sensor and/or altimeter with accelerometer, classification accuracy can be improved.
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