Guidance information providing apparatus, server apparatus,...

Details Guidance information providing apparatus, server apparatus,... Guidance information providing apparatus, server apparatus,...

2006-04-18

2006-04-18

Nguyen, Tan Q. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S210000, C701S211000, C340S995240, C345S419000

Reexamination Certificate

active

07031830

ABSTRACT:
A guidance information providing apparatus comprises a first memory to store network data including line segment data representing a passage in a target area of route guidance in an information map and point data representing a connecting point of a passage, a second memory store three-dimensional shape data representing a three-dimensional shape of the target area, a route search unit which searches for a guiding route connecting an input departure place and destination, a setting unit which sets viewpoint position candidates, an evaluation unit which obtains an evaluation value, from each viewpoint position candidate, an generating unit which determines a viewpoint position, on the basis of the evaluation value of visibility from each viewpoint position candidate, and generates the information map by projecting the three-dimensional shape data, and a presentation unit which presents the generated information map to a user.

REFERENCES:
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patent: 2001/0040505 (2001-11-01), Ishida et al.
patent: 2002/0010543 (2002-01-01), Watanabe et al.
patent: 10-170301 (1998-06-01), None
patent: 2001-273526 (2001-10-01), None
patent: 2001-330465 (2001-11-01), None
Pere-Pau Vazquez, et al., “Viewpoint Selection Using Viewpoint Entropy”, Vision, Modeling, and Visualization 2001, Nov. 21-23, 2001, 8 pages.

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