Map processor, navigation device and map displaying method
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United States of America Patent
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Issued Date -
Aug 17, 2006
app pub date -
Feb 15, 2006
filing date -
Feb 16, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
In each of the divided regions of the map, a redundancy of the region is estimated from the characteristics quantity such as fractal dimension of line segments of road. Then, regions with the same redundancies are combined to form a larger area so that the map is divided according to the redundancy. The areas thus formed are summarized by the summarization methods conforming to their redundancies and are combined into one map. In the map thus generated, only necessary information can be presented, with redundant information eliminated.
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