The Effectiveness of Visual and Audio Wayfinding Guidance on Smartglasses for People with Low Vision

The Effectiveness of Visual and Audio Wayfinding Guidance on Smartglasses for People with Low Vision
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智能眼镜视觉和音频寻路引导对低视力人群的有效性

DOI:
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发表时间:
2020
期刊:
International Conference on Human Factors in Computing Systems
影响因子:
--
通讯作者:
Shiri Azenkot
Shiri Azenkot
中科院分区:
--
文献类型:
--
作者:
Yuhang Zhao;Elizabeth Kupferstein;Hathaitorn Rojnirun;Leah Findlater;Shiri Azenkot

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对于视力低下的人来说,找路是一项关键但具有挑战性的任务,这是一种近乎失明的视觉障碍。以前为视力有障碍的人提供的导航系统主要针对盲人,只提供音频和触觉反馈。由于视力低下的人使用他们剩余的视觉,我们试图确定在寻路任务中音频反馈与视觉反馈的比较。我们开发了基于盲人和盲人事实上的标准方法的智能眼镜视觉和音频寻路指南,并对16名低视力参与者进行了研究。我们发现,参与者犯的错误更少,视觉反馈的认知负荷也更低。此外,使用视觉反馈时,视野全的参与者完成寻路任务的速度更快。然而,许多参与者更喜欢音频反馈,因为它的学习曲线较短。我们提出了用于低视力的定向系统的设计指南。
Wayfinding is a critical but challenging task for people who have low vision, a visual impairment that falls short of blindness. Prior wayfinding systems for people with visual impairments focused on blind people, providing only audio and tactile feedback. Since people with low vision use their remaining vision, we sought to determine how audio feedback compares to visual feedback in a wayfinding task. We developed visual and audio wayfinding guidance on smartglasses based on de facto standard approaches for blind and sighted people and conducted a study with 16 low vision participants. We found that participants made fewer mistakes and experienced lower cognitive load with visual feedback. Moreover, participants with a full field of view completed the wayfinding tasks faster when using visual feedback. However, many participants preferred audio feedback because of its shorter learning curve. We propose design guidelines for wayfinding systems for low vision.
DOI: 10.1145/3234695.3236359
发表时间: 2018-10
期刊: Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility
影响因子: --
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