| 摘要 |
<p>PROBLEM TO BE SOLVED: To properly specify a movement path even when not moved in the extension direction of the road.SOLUTION: A position collation device 100 includes: a change direction detection part 4a which sequentially detects the change direction of a position where a device main body exists; a movement direction estimation part 4b in which the direction obtained by integrating the change directions detected within a prescribed time range is used as the movement direction of the device main body within the prescribed time range; and a position collation part 5 in which, based on this movement direction, the position where the device main body exists is specified and collated on the road in a map.</p> |
