An Introduction to Map Matching for Personal Navigation Assistants
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1996-08-01
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TRIS Online Accession Number:00813892
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NTL Classification:NTL-GEOGRAPHIC INFORMATION SYSTEMS-GEOGRAPHIC INFORMATION SYSTEMS
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Abstract:The paper examines Personal Navigation Assistants (PNAs) and identifies three different types. The first one provides the user with a map and the ability to search the map in a variety of ways; the second provides both a map and the user's current location; and the third provides a map, the user's location, and directions of some kind. The paper then explores map-matching algorithms that can be used to reconcile inaccurate locational data with an inaccurate map/network. Point-to-point, point-to-curve, and curve-to-curve matching is discussed, and in all three cases algorithms that only use geometric information and that also use topological information are considered.
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