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http://hdl.handle.net/10119/8803
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| Title: | A Support System for Context Awareness in a Group Home Using Sound Cues |
| Authors: | Kanai, H.
Nakada, T.
Hanba, Y.
Kunifuji, S. |
| Keywords: | context awareness
Group home
ambient notification system
support for caregivers |
| Issue Date: | 2008 |
| Publisher: | Schattauer |
| Magazine name: | Methods of Information in Medicine |
| Volume: | 47 |
| Number: | 3 |
| Start page: | 198 |
| End page: | 202 |
| DOI: | 10.3414/ME9110 |
| Abstract: | Objectives: In a group home, caregivers should be aware of the inhabitant's real-time situation. The aim of our study is to facilitate the awareness of an inhabitant's situation by means of enhanced sound cues. Methods: We propose an audio notification system that indicates the real-time situation of persons in a group home environment using sound cues instead of visual surveillance. The notification system comprises a prediction and a notification function. The prediction function estimates a person's real-time situation using a Bayesian network and sensed information; the notification function informs recipients of the predicted situation and the confidence level of the prediction by means of sound cues. We use natural sounds as sound cues. Results: As a first step to examine our system in a group home, we conducted operation and performance tests of each unit under a simple test environment. The correct prediction of the subject's situation is approximately 90%; further, it is shown that the sound cues should be selected according to their environmental dependence. Conclusions: The results show that the method is useful for monitoring persons. As future study, we will conduct a field test on an implemented system and improve it for practical use in a group home. |
| Rights: | Copyright (C) 2008 Schattauer. H. Kanai, T. Nakada, Y. Hanba, S. Kunifuji, Methods of Information in Medicine, 47(3), 2008, 198-202. http://dx.doi.org/10.3414/ME9110 |
| URI: | http://hdl.handle.net/10119/8803 |
| Material Type: | publisher |
| Appears in Collections: | z7-10-1. 雑誌掲載論文 (Journal Articles)
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| B13330.pdf | | 1160Kb | Adobe PDF | View/Open |
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