Seamless interface transition mechanism for pedestrian navigation systems
Kayalar, Ceren and Balcısoy, Selim (2006) Seamless interface transition mechanism for pedestrian navigation systems. In: Mobile and Ubiquitous Information Access 2006 Workshop, Helsinki, Finland
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This paper presents a posture recognition system for mobilecomputing devices to switch between different visualizationmodes seamlessly. It introduces a method to estimate orientationof a mobile user‘s hand. The recognition algorithm is based onstate transitions triggered by time-line analysis of pitch angle andangular velocity of an orientation sensor. Currently the system candifferentiate between three postures successfully. We associatedeach posture with different contexts which are of interest forpedestrian navigation systems: investigation, navigation and idle.We implemented a prototype system with an orientation trackerand GPS receiver connected to a PDA running an OpenGL|ES application.The system allows users to navigate and investigate in a campus enviroment.
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