远距离选择通过一个大的透明触摸屏。

IF 6.5
Sebastian Rigling, Steffen Koch, Dieter Schmalstieg, Bruce H Thomas, Michael Sedlmair
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引用次数: 0

摘要

大型透明触摸屏(LTTS)最近已经商业化。这些显示器具有增强现实(AR)应用的潜力,特别是在公共和共享空间。然而,在显示器背后的真实环境中与物体的交互仍然具有挑战性:如果用户想要选择不同距离的物体,就必须将指向和触摸输入结合起来。关于可穿戴或移动AR显示器的研究很多,但关于用户如何与LTTS交互的研究却很少。我们的目标是更好地理解这些AR显示器的自然用户交互。为此,我们开发了一个原型,并评估了不同的指向技术,以选择LTTS后面的12个物理目标,距离从6到401厘米不等。我们对16名参与者进行了用户研究,并测量了用户的偏好、表现和行为。我们分析了准确度的变化取决于目标位置和所使用的选择技术。我们的发现包括:(a)用户自然地将触点与视线对齐,以瞄准LTTS后面36厘米以上的目标。(b)与其他技术相比,该技术提供了最小的角度偏差。(c)一些用户闭上一只眼睛来改善他们的表现。我们的研究结果有助于改善使用LTTS系统的未来AR场景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Selection at a Distance through a Large Transparent Touch Screen.

Large transparent touch screens (LTTS) have recently become commercially available. These displays have the potential for engaging Augmented Reality (AR) applications, especially in public and shared spaces. However, the interaction with objects in the real environment behind the display remains challenging: Users must combine pointing and touch input if they want to select objects at varying distances. There is a lot of work on wearable or mobile AR displays, but little on how users interact with LTTS. Our goal is to contribute to a better understanding of natural user interaction for these AR displays. To this end, we developed a prototype and evaluated different pointing techniques for selecting 12 physical targets behind an LTTS, with distances ranging from 6 to 401 cm. We conducted a user study with 16 participants and measured user preferences, performance, and behavior. We analyzed the change in accuracy depending on the target position and the selection technique used. Our fndings include: (a) Users naturally align the touch point with their line of sight for targets farther than 36 cm behind the LTTS. (b) This technique provides the lowest angular deviation compared to other techniques. (c) Some user close one eye to improve their performance. Our results help to improve future AR scenarios using LTTS systems.

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