Congruent Indirect Touch vs. mouse pointing performance

IF 5.3 2区计算机科学 Q1 COMPUTER SCIENCE, CYBERNETICS International Journal of Human-Computer Studies Pub Date : 2024-03-21 DOI:10.1016/j.ijhcs.2024.103261

François Bérard

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Abstract

We study Congruent Indirect Touch (CIT) interaction in a desktop context. CIT only differs from direct touch in that the motor and display spaces are separated: touch occurs on the horizontal desk; while users’ visual focus is on a vertical display where small pointers show the position of the fingers. We introduce an accurate fingertip tracking approach based on optical tracking and fingertip modeling as a sphere. This allows updating the pointer when the finger is hovering above the surface and implementing an efficient CIT interaction. This interaction was evaluated in a longitudinal user study. Six participants with no experience with CIT performed target acquisitions on eight different days. Throughput was measured with CIT and mouse. In the last session, two participants had similar throughput with both interactions; the four others were notably more efficient with CIT. Averaged across all participants, throughput improved by 14%. This study promotes the study of CIT as a potential efficient replacement for the mouse on the desktop.

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一致性间接触摸与鼠标指向性能的对比

我们研究的是桌面环境下的一致间接触摸（CIT）交互。CIT 与直接触摸的唯一不同之处在于运动空间和显示空间是分开的：触摸发生在水平桌面上；而用户的视觉焦点则集中在垂直显示屏上，显示屏上的小指针显示手指的位置。我们引入了一种基于光学跟踪和指尖球体建模的精确指尖跟踪方法。这样就能在手指悬停在表面上方时更新指针，实现高效的 CIT 交互。在一项纵向用户研究中对这种交互方式进行了评估。六名没有 CIT 使用经验的参与者在八个不同的日子里进行了目标采集。使用 CIT 和鼠标测量了吞吐量。在最后一个环节中，两名参与者使用两种交互方式的吞吐量相近；其他四名参与者使用 CIT 的效率明显更高。所有参与者的平均吞吐量提高了 14%。这项研究推动了将 CIT 作为桌面鼠标的潜在高效替代品的研究。

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来源期刊

International Journal of Human-Computer Studies 工程技术-计算机：控制论

CiteScore

11.50

自引率

5.60%

发文量

108

审稿时长

3 months

期刊介绍： The International Journal of Human-Computer Studies publishes original research over the whole spectrum of work relevant to the theory and practice of innovative interactive systems. The journal is inherently interdisciplinary, covering research in computing, artificial intelligence, psychology, linguistics, communication, design, engineering, and social organization, which is relevant to the design, analysis, evaluation and application of innovative interactive systems. Papers at the boundaries of these disciplines are especially welcome, as it is our view that interdisciplinary approaches are needed for producing theoretical insights in this complex area and for effective deployment of innovative technologies in concrete user communities. Research areas relevant to the journal include, but are not limited to: • Innovative interaction techniques • Multimodal interaction • Speech interaction • Graphic interaction • Natural language interaction • Interaction in mobile and embedded systems • Interface design and evaluation methodologies • Design and evaluation of innovative interactive systems • User interface prototyping and management systems • Ubiquitous computing • Wearable computers • Pervasive computing • Affective computing • Empirical studies of user behaviour • Empirical studies of programming and software engineering • Computer supported cooperative work • Computer mediated communication • Virtual reality • Mixed and augmented Reality • Intelligent user interfaces • Presence ...