Detecting anomalies in activities of daily living of elderly residents via energy disaggregation and Cox processes


Alcalá, José, Parson, Oliver and Rogers, Alex (2015) Detecting anomalies in activities of daily living of elderly residents via energy disaggregation and Cox processes At 2nd ACM International Conference on Embedded Systems For Energy-Efficient Built Environments (ACM BuildSys), Korea, Republic of. 04 - 05 Nov 2015. 10 pp.

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Description/Abstract

Monitoring the health of the elderly living independently in their own homes is a key issue in building sustainable healthcare models which support a country’s ageing population. Existing approaches have typically proposed remotely monitoring the behaviour of a household’s occupants through the use of additional sensors. However the costs and privacy concerns of such sensors have significantly limited their potential for widespread adoption. In contrast, in this paper we propose an approach which detects Activities of Daily Living, which we use as a proxy for the health of the household residents. Our approach detects appliance usage from existing smart meter data, from which the unique daily routines of the household occupants are learned automatically via a log Gaussian Cox process. We evaluate our approach using two real-world data sets, and show it is able to detect over 80% of kettle uses while generating less than 10% false positives. Furthermore, our approach allows earlier interventions in households with a consistent routine and fewer false alarms in the remaining households, relative to a fixed-time intervention benchmark.

Item Type: Conference or Workshop Item (Paper)
Venue - Dates: 2nd ACM International Conference on Embedded Systems For Energy-Efficient Built Environments (ACM BuildSys), Korea, Republic of, 2015-11-04 - 2015-11-05
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
R Medicine > RT Nursing
T Technology > TD Environmental technology. Sanitary engineering
Organisations: Agents, Interactions & Complexity
ePrint ID: 381714
Date :
Date Event
1 September 2015Accepted/In Press
Date Deposited: 21 Sep 2015 16:18
Last Modified: 22 Feb 2017 08:00
Projects:
HUMAN-AGENT COLLECTIVES: FROM FOUNDATIONS TO APPLICATIONS [ORCHID]
Funded by: EPSRC (EP/I011587/1)
Led by: Nick Jennings
1 January 2011 to 31 December 2015
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/381714

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