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

机译:利用BLE信标寻找流浪老年人的流浪路径可视化系统原型

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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.
机译:在这项研究中,我们专注于痴呆患者症状之一的流浪行为,并开发了一种监视此类患者的系统。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。我们通过使用可以从固定接收器获取的BLE信标的接收历史记录来形象化漫游路径。在本文中,我们旨在开发一个界面,使我们能够检查行动历史,以缩小失踪的老年痴呆症患者的搜索范围。而且,通过使用此界面,他/她的家人和护理人员可以检查老年痴呆症患者在安全的地方。特别地,(1)由于改善了BLE信标的信号范围,所以一些固定的接收器变得有可能接收信号,这解决了在附近发现患有痴呆的老年人的问题。此外,(2)仅显示最短路径不足以寻找游荡路径,并且必须能够显示de回路径。为了解决这两个问题,我们开发了一种仅获取BLE信标的接收历史记录的方法,该方法被认为是可视化路线所必需的。

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