Wiebke Köhlmann

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Human-machine interaction by gestures helps to improve communication: it utilizes means of communication which are common to humans but alien to machines. We consider ergonomic, functional and semantic issues in gesture-based interfaces without visual feedback. Such situations arise with the unobtrusive usage of wearable devices but, more importantly, with(More)
—Students beginning their studies at university face manifold problems such as orientation in a new environment and organizing their courses. In contrast to a conventional scavenger hunt, mobile pervasive games, bridging in-game and real world activities, have the potential to provide help in a motivating manner using new technology which currently becomes(More)