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    • 12. 发明授权
    • Map image display device, map image display method and map image display program
    • 地图图像显示装置,地图图像显示方法和地图图像显示程序
    • US06897861B2
    • 2005-05-24
    • US10329534
    • 2002-12-27
    • Masaki WatanabeToshiro MuramatsuKoichi KurodaTakeshi OnoAtsunobu KaminumaOkihiko Nakayama
    • Masaki WatanabeToshiro MuramatsuKoichi KurodaTakeshi OnoAtsunobu KaminumaOkihiko Nakayama
    • G06T11/60G06T15/00
    • G06T11/60
    • A map image display device, a map image display method and a map image display program are disclosed. Upon determination of a map image for an objective to be displayed in response to a user's command input, a standard surface area setting unit 21 divides a surface area of a whole area shown in the map image to be displayed into n equal divisions to assign resulting values to standard surface areas. Then, a particular designation selecting unit 16 selects n pieces of relevant particular designations of areas, whose surface areas are closer to the standard surface areas, among areas involved in the map image for the objective to be displayed. A display image preparing unit 17 prepares image data to cause the selected n pieces of the relevant particular designations to be displayed on the map image as icons, and a display control unit 18 controllably drives the display unit based on image data. This causes the map image, determined responsive to the user's command input, to be displayed over the display unit, while enabling the n pieces of the particular designations to be displayed on the map image as the icons in a superimposed manner.
    • 公开了地图图像显示装置,地图图像显示方法和地图图像显示程序。 在确定用于响应于用户的命令输入显示的目标的地图图像时,标准表面区域设置单元21将要显示的地图图像中所示的整个区域的表面区域划分成n个相等的分割,以分配所得到的 值到标准表面积。 然后,特定指定选择单元16在所显示的目标的地图图像中涉及的区域之中选择n个表面积更接近标准表面积的区域的相关特定名称。 显示图像准备单元17准备图像数据以使所选择的n个相关特定名称作为图标显示在地图图像上,并且显示控制单元18基于图像数据可控制地驱动显示单元。 这使得响应于用户的命令输入确定的地图图像被显示在显示单元上,同时使得n个特定的指定以叠加方式显示在地图图像上作为图标。
    • 18. 发明申请
    • Curvature radius estimating apparatus and method
    • 曲率半径估计装置及方法
    • US20050246091A1
    • 2005-11-03
    • US11100465
    • 2005-04-07
    • Koichi KurodaTakuo IshiwakaYasunori Maruyama
    • Koichi KurodaTakuo IshiwakaYasunori Maruyama
    • G01C21/34G06F17/00
    • G01C21/3697B60W2550/143
    • A curvature radius calculator employs point sequence data of map information representing a road shape, for calculation to determine a curvature radius of a curved interval of a travel path of a vehicle, a shape pattern decider employs the point sequence data to decide a shape pattern of the curved interval, a curvature radius corrector corrects the curvature radius, commensurately with a decision result of the shape pattern decider, and a curved interval extractor selects prescribed intervals of the travel path as targets, and extracts therefrom an interval meting preset conditions on an average of link lengths representing spacings between sequential two points of the point sequence data, respectively; an extreme as a maximum or minimum of the link lengths, and an average of link angles representing angles between adjacent two links, respectively, allowing the curvature radius calculator to use point sequence data of the extracted curved interval, to acquire a curvature radius of the curved interval.
    • 曲率半径计算器使用表示道路形状的地图信息的点序列数据,计算确定车辆的行进路径的曲率间隔的曲率半径,形状图案决定器采用点序列数据来决定形状图案 弯曲间隔,曲率半径校正器与形状图案判定器的判定结果相当地校正曲率半径,并且弯曲间隔提取器选择行进路径的规定间隔作为目标,并从其中提取平均的预定条件的间隔 分别表示点序列数据的连续两点之间的间隔的链路长度; 作为链路长度的最大值或最小值的极限以及分别表示相邻两个链路之间的角度的链接角度的平均值,允许曲率半径计算器使用提取的弯曲间隔的点序列数据来获取所提取的曲线间隔的曲率半径 弯曲间隔。