关注目光：通过根据观看距离适应目光目标来改进手持移动环境中的停留输入可用性
Mind the Gaze: Improving the Usability of Dwell Input by Adapting Gaze Targets Based on Viewing Distance
AI总结：
GAUI通过根据观看距离动态调整目标大小，提升了手持移动环境中停留输入的性能和可用性。
摘要：
停留输入在手持移动环境中显示出潜力，但其性能受到目标大小和观看距离的影响。虽然固定目标大小在静态设置中足够，但在移动设置中，频繁的姿势变化会改变观看距离，从而扭曲感知大小并阻碍停留性能。我们通过GAUI（基于目光的自适应用户界面）来解决这个问题，该界面动态调整目标大小以在给定的观看距离下最大化性能。在一项两阶段研究（N=24）中，GAUI利用其距离响应设计的优势，在任务时间上优于大UI静态基准，并且比小UI静态基准更少出错。它被评价为最受青睐的界面。参与者在六种不同的姿势下反思使用GAUI的经历。我们讨论了他们的经验如何受到姿势的影响，并提出了设计针对手持移动设备停留界面的上下文感知自适应UI的指南，以最大化性能。
英文摘要：
Dwell input shows promise for handheld mobile contexts, but its performance is impacted by target size and viewing distance. While fixed target sizes suffice in static setups, in mobile settings, frequent posture changes alter viewing distances, which in turn distort perceived size and hinder dwell performance. We address this through GAUI, a Gaze-based Adaptive User Interface that dynamically resizes targets to maximise performance at the given viewing distance. In a two-phased study (N=24), GAUI leveraged the strengths of its distance-responsive design, outperforming the large UI static baseline in task time, and being less error-prone than the small UI static baseline. It was rated the most preferred interface overall. Participants reflected on using GAUI in six different postures. We discuss how their experience is impacted by posture, and propose guidelines for designing context-aware adaptive UIs for dwell interfaces on handheld mobile devices that maximise performance.
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