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手机盲文触感阅读方法的设计与评估 被引量:3

Designing for Tactile Braille Reading Methods on Smartphones
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摘要 提出了3种在智能手机上实现6点盲文触感摸读的新方法.通过对手机振动触觉反馈以及手指在屏幕上滑动的不同方向进行编码,共设计了左右滑动、向右滑动及向下滑动摸读3种方法.结合用户实验数据对3种方法的触感参数进行了优化设计.最后通过对12名用户的系统实验,对所提出的3种方法进行了可用性评估.实验结果表明3种方法平均每字符的阅读速度分别为3.62,3.16,4.09 s;准确率分别为98.1%,98.1%,96.9%;其中向右滑动的摸读方式交互效率较高,用户满意度也最好. In this paper, three new methods were presented for tactile Braille reading on smart phones, including left and right sliding, sliding to the right, and sliding down. The three methods were designed based on vibrotactile feedback of mobile phone and the direction encoding of finger movements. A series of pilot studies were carried out to tune and optimize the tactile parameters. And then, twelve participants were invited to implement a formal user experiment, evaluating the usability of three methods. The experiment results show that the three methods can reach adequate speeds, in 3.62, 3.16 and 4.09 seconds for average every character. The accuracy of the gestures can reach 98.1%, 98.1% and 96.9% respectively. The method with sliding to the right gesture is the most efficient one and also the user?s most satisfied one.
作者 褚少微 朱科颖 CHU Shao-wei;ZHU Ke-ying(School of New Media,Zhejiang University of Media and Communications,Hangzhou,Zhejiang 310018,China)
出处 《北京理工大学学报》 EI CAS CSCD 北大核心 2019年第2期181-186,共6页 Transactions of Beijing Institute of Technology
基金 国家自然科学基金资助项目(61502415) 浙江省公益技术资助项目(2016C31G2240012)
关键词 触觉感知 触觉界面 盲用 用户体验 人机交互 tactile perception tactile interface blind use user experience human-computer interaction
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