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    • 18. 发明专利
    • Map data correction apparatus
    • 地图数据校正装置
    • JP2006058669A
    • 2006-03-02
    • JP2004241228
    • 2004-08-20
    • Mitsubishi Electric Corp三菱電機株式会社
    • TAMADA TAKASHIKAMEI KATSUYUKI
    • G09B29/00G01C15/00G01C21/00G01S19/20G01S19/28G06T11/60G08G1/0969
    • PROBLEM TO BE SOLVED: To provide a map data correction apparatus with which the number of location reference points is reduced resulting in observation cost reduction.
      SOLUTION: The map data correction apparatus is provided with; a map data storing section 3 for storing a map data of an object area for map correction; a reading section 41 for dividing the map data into regions demarcated in a mesh-like form; a location reference candidate point extracting section 42 for extracting a location reference candidate point used for map correction for each demarcated mesh; a GPS adaptability calculation section 43 for calculating GPS adaptability which is adaptability for GPS observation at each location reference candidate point; a location reference point selecting section 44 for selecting a location reference point from location reference candidate points extracted within the allowable number of the location reference points for acquiring actual position information; a location reference point observation section 1 for acquiring the position information of the location reference point selected by the location reference point selecting section 44 using the GPS observation; and a map correction section 5 for correcting the map data based on the position information acquired by the location reference point observation section 1.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种地图数据校正装置,其中位置参考点的数量减少,导致观察成本降低。 解决方案:提供地图数据校正装置; 地图数据存储部分3,用于存储用于地图校正的对象区域的地图数据; 读取部分41,用于将地图数据划分成以网状形式划分的区域; 位置参考候选点提取部分42,用于提取用于每个分界网格的地图校正的位置参考候选点; GPS适应性计算部43,用于计算在各位置参考候补点为GPS观测的适应性的GPS适应性; 位置参考点选择部分44,用于从在可允许数量的位置参考点中提取的用于获取实际位置信息的位置参考候选点中选择位置参考点; 位置参考点观察部分1,用于获取由GPS观测由位置参考点选择部分44选择的位置参考点的位置信息; 以及地图校正部分5,用于基于由位置参考点观察部分1获取的位置信息来校正地图数据。版权所有:(C)2006,JPO&NCIPI