Real-time fusion of wireless sensor network data for wellness determination of the elderly in a smart home : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Computer Science and Engineering at Massey University, Manawatu, New Zealand
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Date
2014
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Massey University
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Abstract
In this research, I have explored a methodology for the development of efficient
electronic real time data processing system to recognize the behaviour of an elderly
person. The ability to determine the wellness of an elderly person living alone in their
own home using a robust, flexible and data driven artificially intelligent system has
been investigated. A framework integrating temporal and spatial contextual
information for determining the wellness of an elderly person has been modelled. A
novel behaviour detection process based on the observed sensor data in performing
essential daily activities has been designed and developed. The model can update the
behaviour knowledge base and simultaneously execute the tasks to explore the
intricacies of the generated behaviour pattern. An initial decline or change in regular
daily activities can suggest changes to the health and functional abilities of the elderly
person.
The developed system is used to forecast the behaviour and quantitative
wellness of the elderly by monitoring the daily usages of household appliances using
smart sensors. Wellness determination models are tested at various elderly houses,
and the experimental results related to the identification of daily activities and
wellness determinations are encouraging. The wellness models are updated based on
the time series analysis formulations. The integrated smart sensing system is capable
of detecting human emotion and behaviour recognition based on the daily functional
abilities simultaneously. The electronic data processing system can incorporate the
Internet of Things framework for sensing different devices, understand and act
according to the requirement of smart home environment.
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Keywords
Smart home, Real-time data processing, Elderly, Wireless sensor networks, Internet of Things