PROBLEM TO BE SOLVED: To highly accurately estimate a movement route by means of autonomous navigation without performing GPS positioning.SOLUTION: An electronic instrument 100 comprises: height detection units 4d, 8a and 8d that detect a height of locations Pand Pwhere the electronic instrument 100 exists at times tand t; a movement candidate location setting unit 8b that sets a plurality of movement candidate locations PCserving as a candidate of the location P; a height information acquisition unit 8c that acquires height information at the location Pand each of the plurality of movement candidate locations PCon the basis of map information including height information; and a movement route estimation unit 8e that extracts the most likely movement candidate position PC of each movement candidate location PCon the basis of an amount of displacement of an estimation height when moving to each movement candidate location PCfrom the position P, and an amounts of actual height displacement of positions Pand Pbased on a detection result of the height detection unit, and estimates a movement route to location Pfrom the position Pon the basis of the movement candidate position PC.SELECTED DRAWING: Figure 1
【課題】GPS測位を行うことなく自律航法によって精度よく移動経路を推定する。【解決手段】電子機器100であって、時刻t0、t1において電子機器100が存在する位置P0、P1の高さを検出する高さ検出部4d、8a、8dと、位置P1の候補とされる複数の移動候補位置PCiを設定する移動候補位置設定部8bと、高さの情報を含む地図情報に基づいて位置P0及び複数の移動候補位置PCiの各々における高さ情報を取得する高さ情報取得部8cと、当該高さ情報に基づく位置P0から各移動候補位置PCiへ移動する場合の推定高さ変位量と、高さ検出部の検出結果による位置P0、P1の実際の高さ変位量と、に基づいて各移動候補位置PCiのうちで尤もらしい移動候補位置PCを抽出し、当該移動候補位置PCに基づいて位置P0から位置P1への移動経路を推定する移動経路推定部8eと、を備える。【選択図】図1
ELECTRONIC INSTRUMENT, MOVEMENT ROUTE ESTIMATION METHOD, AND MOVEMENT ROUTE ESTIMATION PROGRAM
電子機器、移動経路推定方法、及び移動経路推定プログラム
2017-09-21
Patent
Electronic Resource
Japanese
European Patent Office | 2018
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