Browsing by Author "Zochodne, Julia"

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    Body-Centric Interaction with Wall Displays in Multi-Display Environments
    (2017) Zochodne, Julia; Maurer, Frank; Jacob, Christian; Tang, Tony
    Large wall displays have become increasingly widespread, and they can be used in diverse environments to support information sharing and collaboration. Wall displays can also be easily incorporated into multi-display environments, allowing for information exchange between the wall display and personal devices, such as tablets. However, traditional input devices such as the mouse and keyboard present challenges for these types of displays, including problems with window and task management, navigation, as well as selecting individual regions or items. Different techniques should be investigated in order to effectively interact with these large displays. In this thesis we perform a study comparing the effectiveness of interaction techniques with large wall displays including body-centric techniques (i.e. proxemics and mid-air gestures) and interaction involving secondary devices (i.e. tablets). Participants were given tasks involving different permutations of these interaction techniques, and the results were evaluated using a quantitative measure of task completion time, and qualitative data gathered from post-study interviews and questionnaires. We found that the fastest interaction technique was touch interaction with a tablet, where the tablet was used to control the large wall display. The study also showed that touch selection was most preferred by users in terms of usability.