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Auflistung nach Schlagwort "navigation"

1 - 4 von 4
  • Workshopbeitrag
    NAVIGONS - Analyzing tactons for navigation
    (Mensch und Computer 2020 - Workshopband, 2020) Krauß, Anna-Magdalena; Ramian, Alexander; Ballin, Philipp; Wittchen, Dennis; Freitag, Georg
    Vibro-tactile navigation systems use the sense of touch across numerous application contexts and motivations. The vibrotactile patterns (tactons) deployed to transmit the information are often tailored to the scenario and the respective hardware. Without an appropriate classification system, it is difficult to compare tactons with each other or to identify their potential for new use cases. Therefore, we apply the previously developed taxonomy VibTacX to a set of tactons used for navigation tasks – NAVIGONS. Following, we present and discuss the identified characteristics of the use cases. Furthermore, the application of VibTacX acts as a filter system to identify and investigate similarities and differences independent of the use cases. This procedure may be the basis for the structured development of tactons. Hence, we conclude with an outlook on future design guidelines for vibro-tactile user interfaces and the qualitative improvement of tactons.
  • Workshopbeitrag
    A real-world driving experiment to collect expert knowledge for the design of AR HUD navigation that covers less
    (Mensch und Computer 2019 - Workshopband, 2019) Schneider, Matthias; Bruder, Anna; Necker, Marc; Schluesener, Tim; Henze, Niels; Wolff, Christian
    Augmented reality head-up displays (AR HUD) can be seen as a promising advancement of conventional head-up displays in vehicles. Information can be displayed in a contact analogue way in the real world by projecting it onto the vehicle’s windshield. Two major challenges for concept developers are to reduce masking caused by augmented reality (AR) content and to create concepts that work with the limited field of view (FOV). To examine these two challenges, we designed two contact analogue navigation concepts. We compared them to each other in a field study with a prototype car that contained a complete AR HUD testing environment. The participants were experts in interaction design, AR, HUDs, design, and sales. The experiment showed that the application of Gestalt Principles for AR HUD concept design to reduce masking can be a promising approach. In addition, suggestions for further improvement of contact analogue navigation concepts were collected.
  • Zeitschriftenartikel
    Strukturieren mit Multitrees: Ein Fachkonzept zur verbesserten Navigation in Hypermedia
    (Wirtschaftsinformatik: Vol. 45, No. 6, 2003) Feldmann, Martin; Wagner, Ralf
    Hypermedia are more and more common in business practice. Insufficient navigation frequently leads to the phenomenon of ‘lost in hyperspace’.In addition to recent contributions in web-engineering, we suggest an assessment of navigational efforts in alternative structured hypermedia. The main advantage is its applicability previous to implementation. Different topologies are evaluated with respect to three criteria: movements burden and choices burden for the user, and the complexity of the resulting graphs. A sophisticated concept for structuring hypermedia by multi-trees is suggested. In contrast to competing concepts, e.g., the hyperbolic tree, the multi-tree offers improvements for both the provider as well as the user. The provider benefits from an increased flexibility for designing access paths. Moreover, the user takes advantage of decreased navigational efforts. The implementation of the concept is demonstrated by means of the prototype DYMU-tree.
  • Konferenzbeitrag
    Using wrist vibrations to guide hand movement and whole body navigation
    (i-com: Vol. 13, No. 3, 2014) Brock, Anke; Kammoun, Slim; Macé, Marc; Jouffrais, Christophe
    In the absence of vision, mobility and orientation are challenging. Audio and tactile feedback can be used to guide visually impaired people. In this paper, we present two complementary studies on the use of vibrational cues for hand guidance during the exploration of itineraries on a map, and whole body-guidance in a virtual environment. Concretely, we designed wearable Arduino bracelets integrating a vibratory motor producing multiple patterns of pulses. In a first study, this bracelet was used for guiding the hand along unknown routes on an interactive tactile map. A wizard-of-Oz study with six blindfolded participants showed that tactons, vibrational patterns, may be more efficient than audio cues for indicating directions. In a second study, this bracelet was used by blindfolded participants to navigate in a virtual environment. The results presented here show that it is possible to significantly decrease travel distance with vibrational cues. To sum up, these preliminary but complementary studies suggest the interest of vibrational feedback in assistive technology for mobility and orientation for blind people.