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公开(公告)号：US20160216124A1
公开(公告)日：2016-07-28
申请号：US14982727
申请日：2015-12-29
发明人： Reiji Shionoya
摘要： A current location measured by a GPS receiver is defined as a base location. Individual points fairly near to the base location that are located on roads whose distances from the base location fall within a predetermined distance are set as candidate points. A distance between the base location and a candidate point to be evaluated is calculated. In a case where the distance is larger than a threshold value statistically estimated from a history of calculated distances between the base location and previously set candidate points that draw a trajectory on a road leading to the candidate point to be evaluated, the threshold value defining a rough upper limit of a distribution range of distances between the base location and the candidate points, it is judged that a true current location is not located on the road in which the candidate point is located.
摘要翻译： 由GPS接收机测量的当前位置被定义为基本位置。 将位于距离基座位置的距离落在预定距离内的道路上的基本位置相当靠近的单个点被设置为候选点。 计算基准位置与要评估的候选点之间的距离。 在所述距离大于从所述基本位置与在通向要评估的候选点的道路上绘制轨迹的先前设定的候选点之间的计算距离的历史统计估计的阈值的情况下，定义 基本位置和候选点之间的距离的分布范围的粗略上限，判断出真实的当前位置不位于候选点所在的道路上。
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公开(公告)号：US09976861B2
公开(公告)日：2018-05-22
申请号：US14982727
申请日：2015-12-29
发明人： Reiji Shionoya
摘要： A current location measured by a GPS receiver is defined as a base location. Individual points fairly near to the base location that are located on roads whose distances from the base location fall within a predetermined distance are set as candidate points. A distance between the base location and a candidate point to be evaluated is calculated. In a case where the distance is larger than a threshold value statistically estimated from a history of calculated distances between the base location and previously set candidate points that draw a trajectory on a road leading to the candidate point to be evaluated, the threshold value defining a rough upper limit of a distribution range of distances between the base location and the candidate points, it is judged that a true current location is not located on the road in which the candidate point is located.
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