Initial development of a PDA mobility aid for visually impaired people

被引：0
|
作者：
McGookin, David [1 ]
Gibbs, Maya [1 ]
Nivala, Annu-Maaria [2 ]
Brewster, Stephen [1 ]
机构：
[1] Univ Glasgow, Dept Comp Sci, Glasgow G12 8QQ, Lanark, Scotland
[2] Finnish Geodet Inst, Turku, Finland
来源：
HUMAN-COMPUTER INTERACTION - INTERACT 2007, PT 2, PROCEEDINGS | 2007年 / 4663卷
关键词：
D O I：
暂无
中图分类号：
G2 [信息与知识传播];
学科分类号：
05 ; 0503 ;
摘要：
We discuss requirements surrounding a mobile navigation system for visually impaired people. We describe an initial prototype based on a PDA using GPS location tracking. This prototype has so far failed to provide reliable location detection, due to the use of GPS in built up environments. We discuss how our system may improve detection by switching between a range of different location tracking technologies. However, we conclude that there may still be times when these technologies fail, and more work is needed on how to support the user in such circumstances.
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页码：665 / +
页数：2
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