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Auflistung nach Autor:in "Black, David"

1 - 2 von 2
  • Konferenzbeitrag
    Auditory Display for Improving Free-hand Gesture Interaction
    (Mensch und Computer 2017 - Tagungsband, 2017) Black, David; Ganze, Bastian; Hettig, Julian; Hansen, Christian
    Free-hand gesture recognition technologies allow touchless interaction with a range of applications. However, touchless interaction concepts usually only provide primary, visual feedback on a screen. The lack of secondary tactile feedback, such as that of pressing a key or clicking a mouse, in interaction with free-hand gestures is one reason that such techniques have not been adopted as a standard means of input. This work explores the use of auditory display to improve free-hand gestures. Gestures using a Leap motion controller were augmented with auditory icons and continuous, model-based sonification. Three concepts were generated and evaluated using a sphere-selection task and a video frame selection task. The user experience of the participants was evaluated using NASA TLX and QUESI questionnaires. Results show that the combination of auditory and visual display outperform both purely auditory and purely visual displays in terms of subjective workload and performance measures.
  • muc: kurzbeitrag (poster)
    Enhancing Medical Needle Placement with Auditory Display
    (Mensch & Computer 2013: Interaktive Vielfalt, 2013) Black, David; Al Issawi, Jumana; Rieder, Christian; Hahn, Horst
    Radiofrequency ablation is a minimally invasive procedure used to treat a tumor by applying local radiofrequency energy using a needle that is inserted into the patient through the skin. Current methods for guiding needle placement require the radiologist to remove the view from the patient and instead use a computer screen for guidance. We present two auditory display methods to guide needle placement that allow visual attention to remain on the patient. Initial results indicate that the needle placement task can be accomplished using almost solely auditory support, increasing user attention on the patient and reducing head and neck movements.