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相关实验视频

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智能手机上的可访问的手势打字功能,适用于视力低下者

Dan Zhang1, William H Seiple2, Zhi Li1

  • 1Department of Computer Science, Stony Brook University New York, USA.

Proceedings of the ACM Symposium on User Interface Software and Technology. ACM Symposium on User Interface Software and Technology
|January 9, 2025
PubMed
概括

我们为低视力用户开发了两个新的键盘,以改善手势打字. 按键放大键盘实现了比传统方法快27.5%的打字速度.

关键词:
可访问性可访问性用手势输入的输入.低视力 低视力 低视力智能手机的键盘 智能手机的键盘输入文本输入的文本.一个字,一个手势,一个词.

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科学领域:

  • 人与计算机的交互
  • 辅助技术 辅助技术 辅助技术
  • 可访问性研究 研究可访问性

背景情况:

  • 手势打字在触摸屏上很常见,但缺乏对视力低下用户的支持.
  • 当屏幕放大器活跃时,现有的解决方案往往会阻碍可用性.

研究的目的:

  • 设计和评估新型键盘原型,使低视力人士能够进行手势键入.
  • 开发一种解码算法,以适应低视力用户独特的打字行为.

主要方法:

  • 实现了两个键盘原型:布局放大和键盘放大.
  • 开发了一种基于动态学的解码算法,用于灵活的手势识别.
  • 进行了一项用户研究,比较原型性能与传统的手势打字.

主要成果:

  • 这两种原型都允许使用主动屏幕放大器不间断地访问钥匙.
  • 按键放大键盘实现了每分钟5.28个单词.
  • 这代表了27.5%的速度改进与传统的手势打字与语音反.

结论:

  • 新的键盘设计和专门的解码算法显著提高了低视力用户的手势打字能力.
  • 按键放大键盘提供了一个更快,更容易访问的文本输入方法.