IEEEXplore_2 - 2009 2009 Sixth International Conference on...

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User-centered Design and Fast Prototyping of an Ambient Assisted Living System for Elderly People Suzanne Kieffer, Jean-Yves Lionel Lawson and Benoit Macq Communications and Remote Sensing Laboratory Université catholique de Louvain, Belgium Abstract This paper presents the Keep-In-Touch project, which aims at developing an integrated Ambient Assisted Living (AAL) solution assisting and monitoring elderly people in their daily-life activities, supporting personal autonomy and well-being, and maintaining social cohesion. The focus of this paper is the integration of interactive user modeling, the benefit of the combination of user-centered development method and fast prototyping implementation in order to develop a solution which fits the end-user. The key elements to achieve this goal are: multimodality, accessibility, adaptability to user profile and changes, and usability. We will show how our approach addresses these needs. 1. Introduction The world population is ageing and, by 2050, the number of elderly people will hit 1 billion [1]. Besides economic, politic and social challenges this means, there is an urgent need to promote assistive technologies in order to increase autonomy and well-being of elderly people. Muscular weakness, mobility loss or memory loss often come with ageing leading to vulnerability: isolation, social exclusion, depression, dependence, deterioration in the standard of living [2]. Ambient Intelligence, and especially the smart environment concept, provides a good means to support and facilitate the daily activities of vulnerable persons. Technological innovations, such as ubiquitous computing, sensor networks, wearable devices, tend to contribute to autonomy and well-being, by enhancing safety at home, maintaining social network, mental and physical stimulation [3, 4, 5, 6]. However, a key element in the success of intelligent assistive technologies for elderly people relies on the following system requirements [3, 6, 7]: The accessibility according to the degree of vulnerability of users, The usability by users with different degree of understanding, lifestyle, behavior, needs and expectations, The adaptability to human changes (e.g., deterioration in the standard of living, motivation, preferences…). This research paper aims at highlighting how these three system requirements can be taken into account and satisfied thanks to a development method combining user- centered design and fast prototyping. First, we present the Keep-In-Touch (KIT) project which aims at developing an Ambient Assisted Living (AAL) solution for elderly people, and the technical aspects of the targeted final product. Then, we focus on the development method which combines user-centered design and fast prototyping. Finally, after presenting the related work, we show the major contributions of this research paper. 2.
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This note was uploaded on 06/19/2011 for the course IT 2554 taught by Professor Mohammadali during the Spring '11 term at Abu Dhabi University.

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IEEEXplore_2 - 2009 2009 Sixth International Conference on...

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