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Auflistung nach Autor:in "Keppler, Sebastian"

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  • Konferenzbeitrag
    Physics-Based Hand-Object-Interaction for Immersive Environments
    (Mensch und Computer 2022 - Tagungsband, 2022) Kaminski, Wolf Elias; Keppler, Sebastian; Israel, Johann Habakuk
    In this work, we developed a physics-based hand-object interaction that can be used in immersive virtual environments. The resulting interaction technique enables the user to interact with objects in a pseudo-realistic way that works on the calculation of forces, friction and other factors. Even though this approach can lead to a grasping method that is suitable for arbitrary interactions and is not limited by predefined gestures and data, our prototype is limited to sliding objects on a plane. We evaluated our implementation in a user study in which users had to move an object with their virtual hands, and made a comparison with a rule-based interaction method.
  • Zeitschriftenartikel
    Self-touch: an immersive interaction-technique to enhance body awareness
    (i-com: Vol. 21, No. 3, 2022) Keppler, Sebastian; Döllinger, Nina; Wienrich, Carolin; Latoschik, Marc Erich; Israel, Johann Habakuk
    Physical well-being depends essentially on how the own body is perceived. A missing correspondence between the perception of one’s own body and reality can be distressing and eventually lead to mental illness. The touch of the own body is a multi-sensory experience to strengthen the feeling of the own body. We have developed an interaction technique that allows the self-touch of the own body in an immersive environment to support therapy procedures. Through additional visual feedback, we want to strengthen the feeling for the own body to achieve a sustainable effect in the own body perception. We conducted an expert evaluation to analyse the potential impact of our application and to localize and fix possible usability problems. The experts noted the ease of understanding and suitability of the interaction technique for increasing body awareness. However, the technical challenges such as stable and accurate body tracking were also mentioned. In addition, new ideas were given that would further support body awareness.