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Auflistung nach Autor:in "Guerra, Enrico"

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  • Workshopbeitrag
    An Extension to the Keystroke-Level Model for Extended Reality Interactions
    (Mensch und Computer 2022 - Workshopband, 2022) Guerra, Enrico; Kurz, Benedikt; Bräucker, Jonas
    Nowadays, Augmented Reality (AR) and Virtual Reality (VR) are acquiring increasing importance. In light of the fact that this is true not only for gaming or entertainment, but also for business and scientific scenarios, such immersive technologies may become as immensely important to us as Web 2.0 did over a decade ago. For such paradigms with rising significance over time, well de-fined guidelines, models, or even standards can be advantageous for enhancing usability. In the 1980s, the Keystroke-Level Model introduced a method with this objective in mind. Also providing developers with the means to efficiently evaluate and enhance the usability of their application in terms of time and effort. In this paper, we present a fist step toward such a model for immersive ap-plications by extending the Keystroke-Level Model. We determine new operators, specific to AR and VR, and after that, providing unit times for each of the new operators by measuring the times it takes to carry out a specific operation as part of a user study.
  • Workshopbeitrag
    Virtually Real Robots: XR as a Proxy for Physical Human-Robot Interaction
    (Mensch und Computer 2024 - Workshopband, 2024) Guerra, Enrico; Prilla, Michael
    This short position paper explores the potential of Extended Reality technologies to serve as valid proxies for real-world settings, particularly in the field of Human-Robot Interaction. With advancements in devices like Microsoft's HoloLens 2, Extended Reality simulations may replicate real-world experiences closely enough to transform industrial and research workflows. This transformation could reduce costs and the need for physical experimental setups. The paper discusses the critical factors towards achieving this ideal. We therefore discuss convincing simulations, the importance of evaluating user responses, and our own current efforts within in that regard. By conducting comparative studies and leveraging the potential of Extended Reality technologies, we aim to understand better the conditions under which Extended Reality can effectively substitute for certain physical settings, providing valuable insights for future research.