盲人和视力受损者在寻路过程中使用电子旅行辅助工具的有效性
Claire E Pittet1,2, Eduardo Villar Ortega3,4, Maël Fabien5
1Radiology Department, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland. claire.pittet@chuv.ch.
Scientific reports
|January 28, 2026
概括
电子旅行辅助器 (ETA) 提高了盲人和视力受损者 (BVI) 的流动性. 与白棍或超声波BuzzClip相比,基于摄像头的NOA背心改善了避难障碍和减少了挫折感.
科学领域:
- 辅助技术是指辅助技术的使用.
- 人与计算机的互动.
- 康复工程 康复工程 康复工程
背景情况:
- 独立旅行是盲人和视障人士 (BVI) 面临的重大挑战.
- 传统的白能够有效地检测地面上的障碍物,但不能提供有关高空物体或它们的特征的信息.
- 新兴的电子旅行辅助工具 (ETA) 旨在提高导航和物体检测能力.
研究的目的:
- 为了比较两个次要的ETA与BVI个人传统的白甘使用的性能.
- 评估基于摄像头的移动背心 (NOA) 和基于超声波传感器的可穿戴设备 (BuzzClip) 在避障和物体检测任务中.
- 评估用户体验,包括挫败感,感知性能,安全性和障碍物检测.
主要方法:
- 13名BVI参与者仅使用NOA背心,BuzzClip和白棍进行了避障任务.
- 对象检测任务使用两个版本的NOA的对象查找功能进行.
- 为了收集数据,收集了定量绩效指标和半结构面试.
主要成果:
- 与BuzzClip和单独的白色相比,NOA背心显著提高了避难障碍,导致使用更少的杆和较少的碰撞.
- 参与者报告说,使用NOA背心的挫折感较低,感知到的性能更高,感知到的安全性更高.
- 在两个NOA版本之间,障碍物检测性能是可比的,这表明了定制用户方法的潜力.
结论:
- 预期时间,特别是像NOA这样的基于摄像头的系统,在改善BVI个人移动性和安全方面显示出显著的希望.
- 以用户为中心的设计和潜在的联合技术方法可以进一步优化辅助导航解决方案.
- 这些发现凸显了将高级ETA纳入BVI社区日常生活的潜力.
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