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Maryam Etezad, Rajeev Joshi, Robert Alexander

IEEE transactions on haptics

|July 25, 2024

概括

一个新的价格实惠的可刷新布莱尔字体显示器 (RBD),BLISS,可以显示布莱尔字母和形状. 这种创新设计提高了视力障碍学生在教育环境中的可访问性.

科学领域:

辅助技术辅助技术辅助技术
人与计算机的交互
教育技术技术教育技术

背景情况:

现有的可更新的盲文显示器 (RBD) 昂贵且功能有限.
这限制了盲人和视力受损者在教育环境中的可访问性.
需要为教育目的提供负担得起的多功能RBD.

研究的目的:

开发一种新的,紧的,负担得起的可刷新布莱尔字显示器 (RBD),名为BLISS (布莱尔字母和交互式形状屏幕).
增强教育机构中对失明和视力障碍患者的教学和学习体验.
创建一个能够显示盲人字母和形状的RBD.

主要方法:

提出了一种新的RBD设计,BLISS,具有独特的盲文单元配置,用于双模式操作.
制造和评估36种3D打印套件的变体,以确定最佳规格.
测试了8名失明和视力障碍患者的原型,以评估形状表示和可用性.

主要成果:

发现传统的盲文间距对于准确的形状表示是不够的.
开发了一种新的引脚配置,允许引脚在形状上升,在盲文字母上降低.
证明了在同一个可刷新屏幕上显示布莱尔字母和形状的可行性.

结论:

BLISS为可刷新布莱尔字显示器提供了一种新,紧且具有成本效益的解决方案.
双模式操作增强了教育应用的显示功能.
这项技术有可能显著改善视力受损学习者的可访问性.

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