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    • 26. 发明申请
    • SYSTEM AND METHOD FOR UPDATING A STATISTICAL DATABASE IN A VEHICLE NAVIGATION SYSTEM
    • 用于在车辆导航系统中更新统计数据库的系统和方法
    • US20080228396A1
    • 2008-09-18
    • US11687178
    • 2007-03-16
    • Kimiyoshi MachiiSadanori Horiguchi
    • Kimiyoshi MachiiSadanori Horiguchi
    • G01C21/32
    • G01C21/32
    • In a navigation system of a vehicle having a statistical database containing travel information for a plurality of road links, a method and system for updating data contained in the statistical database. Real-time travel data for the vehicle is acquired for at least one of the road links in the statistical database as the vehicle travels between the end nodes of that road link. The acquired real-time travel data is then processed to ensure that it meets certain criteria, e.g. the absence of nonrepeating incidents. Travel data which meets that criteria is then utilized to update the road link data in the statistical database. The travel data acquisition, processing and updating of the statistical database is performed internally in the navigation system without interconnecting to external servers.
    • 在具有包含多个道路链路的行驶信息的统计数据库的车辆的导航系统中,用于更新统计数据库中包含的数据的方法和系统。 当车辆在该道路连接的端部节点之间行进时,为统计数据库中的至少一个道路连接获取用于车辆的实时旅行数据。 然后处理所获取的实时旅行数据以确保其符合某些标准,例如 没有不重复的事件。 然后利用符合该标准的旅行数据来更新统计数据库中的道路链接数据。 统计数据库的旅行数据采集,处理和更新在导航系统内部执行,无需与外部服务器互连。
    • 28. 发明授权
    • Automobile navigation apparatus
    • 汽车导航仪
    • US07590486B2
    • 2009-09-15
    • US11045067
    • 2005-01-31
    • Mariko OkudeShigeru MatsuoKimiyoshi MachiiYoshitaka Atarashi
    • Mariko OkudeShigeru MatsuoKimiyoshi MachiiYoshitaka Atarashi
    • G08G1/123G08B1/00
    • G09B29/106G01C21/32
    • An automobile navigation apparatus, that has a rewritable recording medium and capability to updates the map data base by obtaining latest map data, records the map data in the recording means and comprises updating data acquisition means that acquires updated data of a map to which updating procedure is added, an information interpreting means that interprets the updating procedure information, and a map data updating means that searches over said map data base and updates said map data base on the basis of the results of such interpretation and manages the map data by using attributions that indicates additional information of the map elements which are composed into a table as the records thereof so that the row record of the table is classified by the attribution which indicates the additional information of the map element.
    • 具有可重写记录介质和通过获取最新地图数据更新地图数据库的能力的汽车导航装置将地图数据记录在记录装置中,并且包括更新数据获取装置,其获取更新程序的更新数据 添加解释更新过程信息的信息解释装置,以及地图数据更新装置,其基于所述解释的结果搜索所述地图数据库并更新所述地图数据库,并且通过使用属性来管理地图数据 其指示作为其记录组成表的地图元素的附加信息,使得通过指示地图元素的附加信息的属性对表的行记录进行分类。
    • 30. 发明授权
    • Apparatus and system for recognizing environment surrounding vehicle
    • 用于识别车辆周围环境的装置和系统
    • US07957559B2
    • 2011-06-07
    • US11777585
    • 2007-07-13
    • Takeshi ShimaShoji MuramatsuYuji OtsukaKimiyoshi MachiiMirai HiguchiTatsuhiko MonjiKota Irie
    • Takeshi ShimaShoji MuramatsuYuji OtsukaKimiyoshi MachiiMirai HiguchiTatsuhiko MonjiKota Irie
    • G06K9/00
    • G06K9/00798
    • In conventional systems using an onboard camera disposed rearward of a vehicle for recognizing an object surrounding the vehicle, the object is recognized by the camera disposed rearward of the vehicle. In the image recognized by the camera, a road surface marking taken by the camera appears at a lower end of a screen of the image, which makes it difficult to predict a specific position in the screen from which the road surface marking appears. Further, an angle of depression of the camera is large, and it is a short period of time to acquire the object. Therefore, it is difficult to improve a recognition rate and to reduce false recognition. Results of recognition (type, position, angle, recognition time) made by a camera disposed forward of the vehicle, are used to predict a specific timing and a specific position of a field of view of a camera disposed rearward of the vehicle, at which the object appears. Parameters of recognition logic of the rearwardly disposed camera and processing timing are then optimally adjusted. Further, luminance information of the image from the forwardly disposed camera is used to predict possible changes to be made in luminance of the field of view of the rearwardly disposed camera. Gain and exposure time of the rearwardly disposed camera are then adjusted.
    • 在使用设置在车辆后方的车载照相机以识别车辆周围的物体的常规系统中,物体被设置在车辆后方的照相机识别。 在由相机识别的图像中,由相机拍摄的路面标记出现在图像的屏幕的下端,这使得难以预测出现路面标记的屏幕中的特定位置。 此外,相机的下压角度大,获取物体的时间短。 因此,难以提高识别率并减少错误识别。 使用布置在车辆前方的相机进行的识别(类型,位置,角度,识别时间)的结果用于预测设置在车辆后方的相机的视场的具体定时和特定位置, 该对象出现。 然后,最佳地调整后置摄像机的识别逻辑和处理定时的参数。 此外,来自前方照相机的图像的亮度信息用于预测在向后设置的相机的视场的亮度可能发生的变化。 然后调整向后放置的相机的增益和曝光时间。