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Auflistung nach Schlagwort "Mid-Air Gestures"

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  • Konferenzbeitrag
    Pull Outperforms Push as Vibrotactile Wristband Feedback for Mid-Air Gesture Guidance
    (Mensch und Computer 2023 - Tagungsband, 2023) Willms, Jan; Letter, Maximilian; Marchandise, Emile; Wolf, Katrin
    The use of mid-air gestures to control interactive systems is becom- ing increasingly important, particularly in mixed reality scenarios. However, these gestures are not always intuitive and can be chal- lenging to learn as they lack visual guidance. Therefore, it is crucial to explore strategies to improve the learnability of these gestures. In this work, it is investigated how a vibration stimulus can be applied at the forearm to guide a person in performing a gesture. Utilizing a prototypical wristband with 24 vibrotactile actuators, the metaphors pull and push, representing attractive and repulsive feedback, were compared against each other. Results of a controlled user study show that participants perform significantly better with the pull metaphor, completing gestures faster, and make fewer er- rors. In line with this, the majority stated a subjective preference towards pull after experiencing both metaphors.
  • Konferenzbeitrag
    User-Defined Voice and Mid-Air Gesture Commands for Maneuver-based Interventions in Automated Vehicles
    (Mensch und Computer 2019 - Tagungsband, 2019) Detjen, Henrik; Faltaous, Sarah; Geisler, Stefan; Schneegass, Stefan
    For highly automated vehicles (AVs), new interaction concepts need to be developed. Even in AVs, the driver might want to intervene and override the automation from time to time. To create the possibility of control, we explore vehicle control through maneuver-based interventions. Thereby, we focus on explicit, contact-less interaction, which could be beneficial in future AV designs, where the driver is not necessarily bound to classical controls. We propose a set of freehand gestures and keywords for voice control derived in a user-centered design process. Further, we discuss properties, applicability and user impressions of both interaction modalities. Voice control seems to be an efficient way to select a maneuver and free-hand gestures could be used, if voice channel is blocked, e.g., through conversation with passengers.