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    • 1. 发明授权
    • Method and system for route searching, and navigation apparatus using the same
    • 用于路线搜索的方法和系统,以及使用该方法和系统的导航装置
    • US08255162B2
    • 2012-08-28
    • US12188040
    • 2008-08-07
    • Mariko OkudeMasatoshi KumagaiTakumi FushikiKoichiro Tanikoshi
    • Mariko OkudeMasatoshi KumagaiTakumi FushikiKoichiro Tanikoshi
    • G01C21/34
    • G01C21/3484G01C21/3446
    • A route searching method is provided which allows drivers having mutually similar traveling purposes and preferences to find highly convenient routes by sharing their route searching know-how. A center apparatus (1) collects probe data received from an in-vehicle terminal apparatus (5). A preference parameter creating unit (14) calculates, based on the probe data, road usage frequencies according to preference items such as vehicle type, driver age and gender, and travel purpose which can be factors for route selection and stores the calculated road usage frequencies as preference parameters in a preference parameter database (15). A route searching unit (513) included in the in-vehicle terminal apparatus (5) requests the center apparatus (1) to transmit a preference parameter similar to user attribute information (519), adjusts link costs according to the preference parameter received from the center apparatus, and determines a minimum-cost route to a destination.
    • 提供了一种路由搜索方法,其允许具有相互相似的旅行目的和偏好的驾驶员通过共享他们的路线搜索专有技术来找到非常方便的路线。 中心装置(1)收集从车载终端装置(5)接收的探测数据。 偏好参数创建单元(14)基于探测数据,根据诸如车辆类型,驾驶员年龄和性别的偏好项目以及可以作为路线选择的因素的旅行目的来计算道路使用频率,并存储所计算的道路使用频率 作为偏好参数数据库(15)中的偏好参数。 包括在车载终端装置(5)中的路线搜索单元(513)请求中心设备(1)发送类似于用户属性信息(519)的偏好参数,根据从 并确定到目的地的最低成本路线。
    • 2. 发明授权
    • Traffic information system based on travel history
    • 基于旅游历史的交通信息系统
    • US07991549B2
    • 2011-08-02
    • US12019151
    • 2008-01-24
    • Kazuya KimitaTakayoshi YokotaKoichiro Tanikoshi
    • Kazuya KimitaTakayoshi YokotaKoichiro Tanikoshi
    • G01C21/30G01C21/32G08G1/00G01C21/00
    • G08G1/0104G08G1/20
    • A traffic information system including a travel history database retaining the data on the travel history of vehicle measured at a constant temporal or running interval; a link cost weighting pattern database for storing patterns for weighting the link costs of road links, used in the determination of the travel paths of vehicles; a vehicle ID/link cost weighting pattern set database retaining the data representing the matching of the vehicle IDs with their associated link cost weighting patterns used to determine the travel paths of the vehicles; a link cost weighting pattern selection unit selecting the patterns for weighting the link costs used to determine the travel paths of the vehicles on the basis of the vehicle IDs; and a vehicle ID/link cost weighting pattern matching unit recording the data representing the matching of the vehicle IDs with their associated link cost weighting patterns.
    • 一种交通信息系统,其包括保持以恒定的时间或运行间隔测量的车辆的行驶历史的数据的旅行历史数据库; 链路成本加权模式数据库,用于存储用于对车辆行驶路径的确定中使用的道路链路的链路费用进行加权的模式; 车辆ID /链路成本加权模式集数据库,保存表示车辆ID的匹配的数据及其用于确定车辆的行驶路径的相关链路成本加权模式; 链路成本加权模式选择单元,基于车辆ID选择用于加权用于确定车辆的行驶路径的链路成本的模式; 以及车辆ID /链路成本加权模式匹配单元,其将表示车辆ID的匹配的数据与其相关联的链路成本加权模式进行记录。
    • 3. 发明申请
    • Traffic Information Interpolation System
    • 交通信息插值系统
    • US20080114529A1
    • 2008-05-15
    • US11937668
    • 2007-11-09
    • Tomoaki HirutaMasatoshi KumagaiKoichiro Tanikoshi
    • Tomoaki HirutaMasatoshi KumagaiKoichiro Tanikoshi
    • G06F17/18
    • G08G1/0104
    • In a traffic information system, the principal component analysis of the floating car data collected in the past is performed for each traffic area. From among the bases representing the traffic data collected on the road-links in the traffic area, the bases which have strong correlation to the road-links on which real-time traffic data were collected are selected. The weighting coefficients for the selected bases are calculated by projecting the real-time traffic data onto the selected bases. The traffic estimation data are calculated by linearly combining the selected bases with the obtained weighting coefficients as the coefficients of the respective bases. The calculated traffic estimation data are used for the interpolation of the road-links on which the real-time traffic data were not collected.
    • 在交通信息系统中,对每个交通区域执行过去收集的浮动车数据的主成分分析。 从代表在交通区域的道路链路上收集的交通数据的基数中,选择与采集实时交通数据的道路链路具有强相关性的基础。 通过将实时业务数据投影到所选择的基站上来计算所选择的基站的加权系数。 通过将所选择的碱基与所获得的加权系数线性组合作为各个碱基的系数来计算交通估计数据。 所计算的交通量估计数据用于未收集实时交通数据的道路链路的插值。
    • 4. 发明授权
    • Incident resolution judgment system
    • 事件决议判断制度
    • US08121776B2
    • 2012-02-21
    • US11945695
    • 2007-11-27
    • Tomoaki HirutaMasatoshi KumagaiTakayoshi YokotaKoichiro Tanikoshi
    • Tomoaki HirutaMasatoshi KumagaiTakayoshi YokotaKoichiro Tanikoshi
    • G08G1/00G08G1/048
    • G08G1/0104G08G1/096708G08G1/096741G08G1/096791
    • An incident resolution judgment system and method are provided which reduce processing load on a traffic information center included in an incident detection system. When an incident occurs, the traffic information center generates an incident resolution judgment condition, which is used by each vehicle to judge whether the incident is resolved, and transmits the generated incident resolution judgment condition to each vehicle. Each vehicle judges in accordance with its travel history information and the received incident resolution judgment condition whether the incident is resolved. When the incident is judged to be resolved, each vehicle notifies the traffic information center that the incident is resolved. In accordance with incident resolution detection results produced by a plurality of vehicles, the traffic information center forms a final judgment to indicate that the incident is actually resolved and notifies each vehicle of incident resolution.
    • 提供一种降低事件检测系统中包含的交通信息中心的处理负担的事件判定系统和方法。 当事件发生时,交通信息中心产生事故判定判定条件,由各车辆使用,判断事件是否解决,并将生成的事故判定判定条件发送给各车辆。 每个车辆根据其旅行历史信息和接收的事件分辨率判断条件来判断事件是否被解决。 当事件被判断为解决时,各车辆通知交通信息中心事件被解决。 根据由多个车辆产生的事故分辨率检测结果,交通信息中心形成最终判断,以指示事件被实际解决并通知每个车辆事件解决。
    • 5. 发明申请
    • Incident Resolution Judgment System
    • 事件决议判决制度
    • US20080140303A1
    • 2008-06-12
    • US11945695
    • 2007-11-27
    • Tomoaki HIRUTAMasatoshi KumagaiTakayoshi YokotaKoichiro Tanikoshi
    • Tomoaki HIRUTAMasatoshi KumagaiTakayoshi YokotaKoichiro Tanikoshi
    • G08G1/127G06F19/00
    • G08G1/0104G08G1/096708G08G1/096741G08G1/096791
    • The present invention reduces the incident resolution judgment processing load on a traffic information center included in an incident detection system. When an incident occurs, the traffic information center generates an incident resolution judgment condition, which is to be used by each vehicle to judge whether the incident is resolved, and transmits the generated incident resolution judgment condition to each vehicle. Each vehicle judges in accordance with its travel history information and the received incident resolution judgment condition whether the incident is resolved. When the incident is judged to be resolved, each vehicle notifies the traffic information center that the incident is resolved. In accordance with incident resolution detection results produced by a plurality of vehicles, the traffic information center forms a final judgment to indicate that the incident is actually resolved, and notifies each vehicle of incident resolution.
    • 本发明减少了事件检测系统中包含的交通信息中心的事件分辨率判定处理负荷。 当事件发生时,交通信息中心产生事故判定判定条件,由各车辆使用,判定事件是否被解决,并将生成的事故判定判定条件发送给各车辆。 每个车辆根据其旅行历史信息和接收的事件分辨率判断条件来判断事件是否被解决。 当事件被判断为解决时,各车辆通知交通信息中心事件被解决。 根据由多个车辆产生的事故分辨率检测结果,交通信息中心形成最终判断以指示事件被实际解决,并且通知每个车辆事件解决。
    • 6. 发明申请
    • System and Method for Collecting and Distributing Traffic Information
    • 收集和分发交通信息的系统和方法
    • US20080059051A1
    • 2008-03-06
    • US11848343
    • 2007-08-31
    • Masatoshi KUMAGAITomoaki HirutaMariko OkudeKoichiro Tanikoshi
    • Masatoshi KUMAGAITomoaki HirutaMariko OkudeKoichiro Tanikoshi
    • G08G1/01
    • G08G1/0104
    • In a center apparatus, a feature space projection processing unit performs a feature space projection process for probe data corresponding to a road section which are stored in a current probe data storage unit to extract the feature data, and a change point detecting unit; an event section partitioning unit and an event assigning unit determine a road section corresponding to the feature data, and assign the event information to the determined road section; and an event information distributing unit distributes the event information assigned to the road section. In a vehicle-installed terminal apparatus, a probe data partitioning unit and an orthogonal component decomposition unit performs processes of partitioning and orthogonal component decomposition of the probe data using a feature score vector obtained from the center apparatus, to thereby reduce the probe data to be uplinked.
    • 在中心设备中,特征空间投影处理单元对存储在当前探测数据存储单元中的与路段相对应的探测数据执行特征空间投影处理以提取特征数据,以及变化点检测单元; 事件部分割单元和事件分配单元确定与特征数据相对应的道路段,并将事件信息分配给所确定的道路段; 并且事件信息分发单元分配分配给道路部分的事件信息。 在车载终端装置中,探测数据划分部和正交成分分解部使用从中心装置得到的特征得分向量来进行探测数据的分割和正交成分分解的处理,从而将探测数据减少为 上行。