How Context and User Behavior Affect Indoor Navigation Assistance for Blind People

How Context and User Behavior Affect Indoor Navigation Assistance for Blind People
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环境和用户行为如何影响盲人室内导航辅助

DOI:
10.1145/3192714.3192829
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发表时间:
2018
期刊:
Proceedings of the Internet of Accessible Things
影响因子:
--
通讯作者:
Asakawa, Chieko
Asakawa, Chieko
中科院分区:
--
文献类型:
--
作者:
Guerreiro, João;Ohn-Bar, Eshed;Ahmetovic, Dragan;Kitani, Kris;Asakawa, Chieko

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最近的室内定位技术现在能够为有视觉障碍(PVI)的人提供实用、准确的逐向导航。理解用户行为,因为它与情境上下文相关,可以用来提高界面适应有问题的场景的能力,从而减少导航错误。这项工作在室内辅助导航过程中对用户行为进行了细粒度的分析,概述了用户行为(使用白手杖或导盲犬)可能导致导航错误的不同场景。场景包括某些指令(例如,轻微转弯,接近转弯),错误恢复的情况,以及周围环境(例如,开放空间和地标)。我们讨论的结果和经验教训,从现实世界的用户研究,以指导未来的方向,考虑用户的行为和应对机制的辅助导航界面的发展。
Recent techniques for indoor localization are now able to support practical, accurate turn-by-turn navigation for people with visual impairments (PVI). Understanding user behavior as it relates to situational contexts can be used to improve the ability of the interface to adapt to problematic scenarios, and consequently reduce navigation errors. This work performs a fine-grained analysis of user behavior during indoor assisted navigation, outlining different scenarios where user behavior (either with a white-cane or a guide-dog) is likely to cause navigation errors. The scenarios include certain instructions (e.g., slight turns, approaching turns), cases of error recovery, and the surrounding environment (e.g., open spaces and landmarks). We discuss the findings and lessons learned from a real-world user study to guide future directions for the development of assistive navigation interfaces that consider the users' behavior and coping mechanisms.
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影响因子: --
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