VisualizationGuided Attention Direction in Dynamic Control Tasks In highpaced applications like air traffic control, disaster management, and medical triage, information is often routed through a central location such as a dispatch or control center. In this work, we introduce a set of colorcoded and gazeaware visualizations designed to simultaneously manage both information priority and user attention. These notifications are unique in that they not only respond to whether or not they have been observed by the user, but they use color to represent the priority of the object to assist processing of other incoming information in the environment. We built both headsup display (HUD)based and insitu information management paradigms and combined these with gaze and color visualizations. In an interactive virtual reality (VR) control center simulation, HUD visualizations slightly reduced unnecessary head movement without sacrificing performance, but were distracting to participants.

Effects of RealWorld Visual Fidelity on AR Interface Assessment: A Case Study Using AR Headup Display Graphics in Driving Recent AR research efforts have explored the use of virtual environments to test augmented reality (AR) user interfaces. However, it is yet to be seen what effects the visual fidelity of such virtual environments may have on AR interface assessment, and specifically to what degree assessment results observed in a virtual world would apply to the real world. Automotive AR headup (HUD) interfaces provide a meaningful application area to examine this problem, especially given that immersive, 3Dgraphicsbased driving simulators are established tools to examine invehicle interfaces safely before testing in real vehicles. In this work, we present an argument that adequately assessing AR interfaces requires a suite of different measures, and that such measures should be considered when debating the appropriateness of virtual environments for AR interface assessment. We present a case study that examines how an AR interface presented via HUD effects driver performance and behavior in different virtual and real environments. Twelve participants completed the study measuring driver task performance, eye gaze behavior and situational awareness during AR guided navigation in lowand highfidelity virtual simulation, and an onroad environment. Our results suggest that the visual fidelity of the environmental in which an AR interface is assessed, could impact some measures of effectiveness. Discussion is guided by a proposed initial assessment classification for AR user interfaces that may serve to guide future discussions on AR interface evaluation, as well as the suitability of virtual environments for AR assessment.