TouchEditor

IF 3.6 Q2 COMPUTER SCIENCE, INFORMATION SYSTEMS
Lishuang Zhan, Tianyang Xiong, Hongwei Zhang, Shihui Guo, Xiaowei Chen, Jiangtao Gong, Juncong Lin, Yipeng Qin
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引用次数: 0

Abstract

A text editing solution that adapts to speech-unfriendly (inconvenient to speak or difficult to recognize speech) environments is essential for head-mounted displays (HMDs) to work universally. For existing schemes, e.g., touch bar, virtual keyboard and physical keyboard, there are shortcomings such as insufficient speed, uncomfortable experience or restrictions on user location and posture. To mitigate these restrictions, we propose TouchEditor, a novel text editing system for HMDs based on a flexible piezoresistive film sensor, supporting cursor positioning, text selection, text retyping and editing commands (i.e., Copy, Paste, Delete, etc.). Through literature overview and heuristic study, we design a pressure-controlled menu and a shortcut gesture set for entering editing commands, and propose an area-and-pressure-based method for cursor positioning and text selection that skillfully maps gestures in different areas and with different strengths to cursor movements with different directions and granularities. The evaluation results show that TouchEditor i) adapts to various contents and scenes well with a stable correction speed of 0.075 corrections per second; ii) achieves 95.4% gesture recognition accuracy; iii) reaches a considerable level with a mobile phone in text selection tasks. The comparison results with the speech-dependent EYEditor and the built-in touch bar further prove the flexibility and robustness of TouchEditor in speech-unfriendly environments.
触摸编辑器
要使头戴式显示器(HMD)普遍适用,就必须有一种能适应语音不友好(说话不方便或难以识别语音)环境的文本编辑解决方案。现有的方案,如触摸栏、虚拟键盘和物理键盘,都存在速度不够快、体验不舒适或受用户位置和姿势限制等缺点。为了减少这些限制,我们提出了 TouchEditor,这是一种基于柔性压阻薄膜传感器的新型 HMD 文本编辑系统,支持光标定位、文本选择、文本重打和编辑命令(即复制、粘贴、删除等)。通过文献综述和启发式研究,我们设计了用于输入编辑命令的压力控制菜单和快捷手势集,并提出了基于区域和压力的光标定位和文本选择方法,巧妙地将不同区域和不同强度的手势映射到不同方向和颗粒度的光标移动上。评估结果表明,TouchEditor i) 能很好地适应各种内容和场景,修正速度稳定在每秒 0.075 次;ii) 手势识别准确率达到 95.4%;iii) 在文本选择任务中与手机达到相当的水平。与依赖语音的 EYEditor 和内置触摸条的比较结果进一步证明了 TouchEditor 在语音不友好环境中的灵活性和稳健性。
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来源期刊
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies Computer Science-Computer Networks and Communications
CiteScore
9.10
自引率
0.00%
发文量
154
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