Accessible Interface for Context Awareness in Mobile Devices for Users With Memory Impairment

Accessible Interface for Context Awareness in Mobile Devices for Users With Memory Impairment

Iyad Abu Abu Doush (American University of Kuwait, Salmiya, Kuwait) and Sanaa Jarrah (Yarmouk University, Irbid, Jordan)
Copyright: © 2019 |Pages: 30
DOI: 10.4018/IJBCE.2019070101
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Memory problems usually appear because of aging or may happen because of a brain injury. Such problems prevent the person from performing daily activities. In this paper, the authors propose a framework to develop a smartphone solution to detect and recognize the user context. In order to build the context detection framework, the authors compare three different machine learning techniques (C.4.5, random, and BFTree) in terms of context detection accuracy. Then, the authors use the classification technique with the highest accuracy in a mobile application to help users by detecting their context. The authors develop two interfaces based on the suggested accessibility features for users with memory impairment. Two scenarios are used to evaluate the user interface, and the results prove the applicability and the usability of the proposed context detection framework.
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2. Background

Several research work has been proposed to help people with memory impairment in performing daily activities. The following is a summarization of relevant work:

2.1. Systems to Improve User's Memory

a person’s memory can be improved by showing pictures of people, presenting previous events, or asking questions about a previous experience. The work in Martins et al. (Martins et al. 2014) helps users with dementia by collecting users' data automatically from the smartphones. Then, the system uses the users' private social network to validate and personalize the collected data. In another work, Memory wallet (Bourgeois 1992) is presented and used to improve user's memory by showing pictures of familiar people, places or events.

Several reminder memory systems have been developed (e.g., MEMOS(Schulze 2003)). The purpose of such systems is to notify the user about a specific event which is added to the calendar. The previous solutions have mainly two drawbacks: first, they need explicit user interaction to set up the reminder. Second, they cannot provide effective services to users with memory impairment about unplanned or unscheduled activities.

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