Frames of Reference, Positional Information and Navigational Assistance

Jörg Baus and Christian Kray

We present an analysis of different types of frames of reference and what they are needed for in a setting of a system providing navigational assistance. Since the position of a user of such a system is a main factor in the establishment of different frames of reference, we review different technologies for measuring positional information, and present a qualitative classification for this information. Based on this and on the previous analysis, we then examine the influence of positional information and frames of reference on typical tasks that arise in the context of navigational assistance.


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