Wandering Path Visualization System Prototype for Finding Wandering Elderly People Using BLE Beacon

Tomoya Arakawa, Shun Shiramatsu, Akira Iwata
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引用次数: 1

Abstract

In this study, we focused on wandering behavior, which is one of symptoms of dementia patients, and developed a system for watching over such patients. In our proposed method, Bluetooth Low Energy (BLE) beacons were carried by elderly people with dementia. We installed fixed receivers in the town where we conducted this study. We visualized the wandering route by using the reception history of the BLE beacon that can be acquired from the fixed receiver. In this paper, we aimed to develop an interface that enables us to check the history of actions to narrow down the search range when an elderly person with dementia is missing. Also, by using this interface, his/her family and caregivers can check that an elderly person with dementia is in a safe place. Particularly, (1) because the signal range of the BLE beacon has been improved, it became possible for some fixed receivers to receive signal, and this solved the problem of detecting an elderly person with dementia in the vicinity. Furthermore, (2) merely displaying the shortest route is insufficient for the purpose of searching for a wandering route, and it was necessary to be able to display detour routes. To deal with these two problems, we developed a method to acquire only the reception history of the BLE beacon that is considered necessary for route visualization.
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利用BLE信标寻找流浪老人的漫游路径可视化系统原型
在这项研究中,我们专注于流浪行为,这是痴呆症患者的症状之一,并开发了一个系统来监视这类患者。在我们提出的方法中,蓝牙低功耗(BLE)信标由老年痴呆症患者携带。我们在进行这项研究的城镇安装了固定接收器。我们利用从固定接收机获取的BLE信标接收历史来可视化漫游路线。在本文中,我们的目标是开发一个界面,使我们能够检查行动的历史,以缩小搜索范围,当一个老年痴呆症患者失踪。此外,通过使用这个界面,他/她的家人和照顾者可以检查患有痴呆症的老人是否在安全的地方。特别是,(1)由于BLE信标的信号范围得到了提高,使得一些固定接收器可以接收到信号,从而解决了检测附近老年痴呆症患者的问题。此外,(2)仅显示最短路线不足以满足寻找流浪路线的目的,需要能够显示绕行路线。为了解决这两个问题,我们开发了一种只获取BLE信标的接收历史的方法,这种方法被认为是路由可视化所必需的。
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