Is It Cold in Here or Is It Just Me? Analysis of Augmented Reality Temperature Visualization for ComputerMediated Thermoception Modern augmented reality (AR) headmounted displays comprise a multitude of sensors that allow them to sense the environment around them. We have extended these capabilities by mounting two heatwavelength infrared cameras to a Microsoft HoloLens, facilitating the acquisition of thermal data and enabling stereoscopic thermal overlays in the userxe2x80x99s augmented view. The ability to visualize live thermal information opens several avenues of investigation on how that thermal awareness may affect a userxe2x80x99s thermoception. We present a humansubject study, in which we simulated different temperature shifts using either heat vision overlays or 3D AR virtual effects associated with thermal causeeffect relationships (e.g., flames burn and ice cools). We further investigated differences in estimated temperatures when the stimuli were applied to either the userxe2x80x99s body or their environment. Our analysis showed significant effects and first trends for the AR virtual effects and heat vision, respectively, on participantsxe2x80x99 temperature estimates for their body and the environment though with different strengths and characteristics, which we discuss in this paper.

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.