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arXiv 1708.05073cs.HC
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基于手指的技术(FBT):一种改进盲人用户与移动触摸屏设备动态交互可用性的创新系统

Finger Based Technique (FBT): An Innovative System for Improved Usability for the Blind Users' Dynamic Interaction with Mobile Touch Screen Devices

Mohammed Fakrudeen, Sufian Yousef, Mahdi H Miraz

摘要:

本文介绍了一种专门为非视觉触摸屏设备设计和开发的新型盲人交互系统--基于手指的技术(FBT)原型及其应用。FBT原型开发了基于手指握持位置识别的虚拟按键。提出了两位数FBT和个位数FBT两种不同的模型。使用两种不同的电话拨号器应用程序应用FBT技术:用于单数字FBT模型的单数字虚拟键和具有音频反馈的双数字虚拟键,后者允许触摸作为输入手势。对7名盲人参与者的评估表明,个位数FBT比两位数FBT明显更快,更准确。除此之外,在执行类似任务时,个位数的FBT比iPhone的VoiceOver输入速度快得多。此外,我们的研究还提出了11个可访问的区域,快速访问或导航的平面触摸屏为基础的智能手机为盲人用户。这些可访问区域将作为可用性设计框架,并便于开发人员为盲人用户放置小部件,以便与触摸屏设备进行动态交互。据作者所知,这是一个新的建议。

英文摘要:

This paper presents Finger Based Technique (FBT) prototypes, a novel interaction system for blind users, which is especially designed and developed for non-visual touch screen devices and their applications. The FBT prototypes were developed with virtual keys to be identified based on finger holding positions. Two different models namely the single digit FBT and double digit FBT were propounded. FBT technique were applied using two different phone dialer applications: a single digit virtual key for the single digit FBT model and a double digit virtual key with audio feedback enabling touch as input gesture for the later one. An evaluation with 7 blind participants showed that single digit FBT was significantly faster and more accurate than double digit FBT. In addition to that, single digit FBT was found to be much faster than iPhone VoiceOver entry speeds in performing similar tasks. Furthermore, our research also suggests 11 accessible regions for quick access or navigation in flat touch screen based smart phones for blind users. These accessible regions will serve as a usability design framework and facilitate the developers to place the widget for the blind user for dynamic interaction with the touch screen devices. As far as is known to the authors, this is a novel suggestion.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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