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1. 发明申请

US20090082948A1 TRAFFIC INCIDENT DETECTION SYSTEM 审中-公开
标题翻译：交通事故检测系统
公开(公告)号：US20090082948A1
公开(公告)日：2009-03-26
申请号：US12179246
申请日：2008-07-24
申请人： Tomoaki HIRUTA , Masatoshi Kumagai , Koichiro Tanikoshi , Takayoshi Yokota
发明人： Tomoaki HIRUTA , Masatoshi Kumagai , Koichiro Tanikoshi , Takayoshi Yokota
IPC分类号： G08G1/00
CPC分类号： G08G1/0104
摘要： An object of the present invention is to provide a traffic information system that detects an unexpected incident such as a traffic accident or construction work from traffic information about surrounding road links. Historical traffic information is used to perform component analysis for a group of links that are targets of unexpected incident detection, and recovered traffic information for the historical traffic information is determined from computed top bases of the traffic information about the group of links. Difference statistical traffic information is generated from the difference between the historical traffic information and its recovered traffic information. For real-time traffic information, recovered traffic information for the real-time traffic information is determined from the top bases. The difference between the real-time traffic information and the recovered traffic information is compared with the difference statistical traffic information, and if the difference of the real-time traffic information is larger, the occurrence of an unexpected incident is determined.
摘要翻译：本发明的目的是提供一种交通信息系统，其从关于周围道路连接的交通信息中检测诸如交通事故或建筑工程的意外事件。使用历史交通信息对作为意外事件检测的目标的一组链路进行分量分析，并且根据关于该组链路的交通信息的计算的顶部基础来确定用于历史交通信息的恢复的交通信息。根据历史交通信息与其恢复的交通信息之间的差异产生差异统计交通信息。对于实时交通信息，从顶层确定实时交通信息的恢复交通信息。实时交通信息与恢复的交通信息之间的差异与差异统计交通信息进行比较，如果实时交通信息的差异较大，则确定意外事件的发生。

2. 发明授权

US08121776B2 Incident resolution judgment system 有权
标题翻译：事件决议判断制度
公开(公告)号：US08121776B2
公开(公告)日：2012-02-21
申请号：US11945695
申请日：2007-11-27
申请人： Tomoaki Hiruta , Masatoshi Kumagai , Takayoshi Yokota , Koichiro Tanikoshi
发明人： Tomoaki Hiruta , Masatoshi Kumagai , Takayoshi Yokota , Koichiro Tanikoshi
IPC分类号： G08G1/00 , G08G1/048
CPC分类号： G08G1/0104 , G08G1/096708 , G08G1/096741 , G08G1/096791
摘要： 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.
摘要翻译：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。

3. 发明申请

US20080140303A1 Incident Resolution Judgment System 有权
标题翻译：事件决议判决制度
公开(公告)号：US20080140303A1
公开(公告)日：2008-06-12
申请号：US11945695
申请日：2007-11-27
申请人： Tomoaki HIRUTA , Masatoshi Kumagai , Takayoshi Yokota , Koichiro Tanikoshi
发明人： Tomoaki HIRUTA , Masatoshi Kumagai , Takayoshi Yokota , Koichiro Tanikoshi
IPC分类号： G08G1/127 , G06F19/00
CPC分类号： G08G1/0104 , G08G1/096708 , G08G1/096741 , G08G1/096791
摘要： 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.
摘要翻译：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。

4. 发明申请

US20080114529A1 Traffic Information Interpolation System 有权
标题翻译：交通信息插值系统
公开(公告)号：US20080114529A1
公开(公告)日：2008-05-15
申请号：US11937668
申请日：2007-11-09
申请人： Tomoaki Hiruta , Masatoshi Kumagai , Koichiro Tanikoshi
发明人： Tomoaki Hiruta , Masatoshi Kumagai , Koichiro Tanikoshi
IPC分类号： G06F17/18
CPC分类号： G08G1/0104
摘要： 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.
摘要翻译：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。

5. 发明授权

US07542844B2 Dynamic prediction of traffic congestion by tracing feature-space trajectory of sparse floating-car data 有权
标题翻译：通过追踪稀疏浮动车辆数据的特征空间轨迹来动态预测交通拥堵
公开(公告)号：US07542844B2
公开(公告)日：2009-06-02
申请号：US12193565
申请日：2008-08-18
申请人： Masatoshi Kumagai , Tomoaki Hiruta , Mariko Okude , Koichiro Tanikoshi
发明人： Masatoshi Kumagai , Tomoaki Hiruta , Mariko Okude , Koichiro Tanikoshi
IPC分类号： G08G1/00
CPC分类号： G08G1/0141 , G08G1/0112 , G08G1/0116 , G08G1/0129
摘要： A traffic situation is predicted based on the correlation in the traffic situation between road sections. A base vector generation unit generates the base vectors constituting a feature space representing the correlation between a plurality of links by making a principal component analysis for the necessary time in the past recorded in a necessary time database. A projection point trajectory generation unit records a projection point trajectory of projecting the necessary time in the past recorded in the necessary time database to the feature space in a projection point database. A feature space projection unit projects the necessary time at present to the feature space, and a neighboring projection point retrieval unit retrieves a past projection point in the neighborhood of the concerned projection point from the projection point database, and a projection point trajectory trace unit traces the trajectory of past projection points starting from the retrieved neighboring projection point for a prediction target time width, and an inverse projection unit inversely projects the end point of the concerned trajectory to calculate the predicted value of the necessary time.
摘要翻译：根据路段交通情况的相关性预测交通状况。基矢量生成单元通过对必要时间数据库中记录的过去必要时间进行主成分分析，生成构成表示多个链接之间的相关性的特征空间的基本矢量。投影点轨迹生成单元将投影点轨迹，将投影点数据库中记录的过去的必要时间投影到投影点数据库中的特征空间。特征空间投影单元将当前所需的时间投射到特征空间，并且相邻投影点检索单元从投影点数据库检索相关投影点附近的过去投影点，并且投影点轨迹跟踪单元跟踪从所检索的相邻投影点开始的预测目标时间宽度的过去投影点的轨迹，反投影单元相反地投影相关轨迹的终点以计算所需时间的预测值。

6. 发明授权

US07693650B2 System and method for collecting and distributing traffic information 有权
标题翻译：收集和分发交通信息的系统和方法
公开(公告)号：US07693650B2
公开(公告)日：2010-04-06
申请号：US11848343
申请日：2007-08-31
申请人： Masatoshi Kumagai , Tomoaki Hiruta , Mariko Okude , Koichiro Tanikoshi
发明人： Masatoshi Kumagai , Tomoaki Hiruta , Mariko Okude , Koichiro Tanikoshi
IPC分类号： G08G1/00
CPC分类号： G08G1/0104
摘要： 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.
摘要翻译：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。

7. 发明授权

US07580788B2 Traffic information interpolation system 有权
标题翻译：交通信息插补系统
公开(公告)号：US07580788B2
公开(公告)日：2009-08-25
申请号：US11937668
申请日：2007-11-09
申请人： Tomoaki Hiruta , Masatoshi Kumagai , Koichiro Tanikoshi
发明人： Tomoaki Hiruta , Masatoshi Kumagai , Koichiro Tanikoshi
IPC分类号： G08G1/00
CPC分类号： G08G1/0104
摘要： 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.
摘要翻译：在交通信息系统中，对每个交通区域进行过去收集的浮动车辆数据的主成分分析。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。

8. 发明授权

US08255162B2 Method and system for route searching, and navigation apparatus using the same 有权
标题翻译：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
公开(公告)号：US08255162B2
公开(公告)日：2012-08-28
申请号：US12188040
申请日：2008-08-07
申请人： Mariko Okude , Masatoshi Kumagai , Takumi Fushiki , Koichiro Tanikoshi
发明人： Mariko Okude , Masatoshi Kumagai , Takumi Fushiki , Koichiro Tanikoshi
IPC分类号： G01C21/34
CPC分类号： G01C21/3484 , G01C21/3446
摘要： 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.
摘要翻译：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。

9. 发明授权

US07555381B2 Traffic information providing device, traffic information providing system, traffic information transmission method, and traffic information request method 有权
标题翻译：交通信息提供装置，交通信息提供系统，交通信息传输方式和交通信息请求方式
公开(公告)号：US07555381B2
公开(公告)日：2009-06-30
申请号：US11835387
申请日：2007-08-07
申请人： Masatoshi Kumagai , Mariko Okude , Koichiro Tanikoshi
发明人： Masatoshi Kumagai , Mariko Okude , Koichiro Tanikoshi
IPC分类号： G08G1/00
CPC分类号： G01C21/26
摘要： A probe center server (10) previously performs filtering to determine whether or not a projection norm of a link in a feature space can be interpolated, and notifies a probe terminal (20) to preferentially collect and upload detected probe data for the link whose missing data can not be interpolated.
摘要翻译：探测中心服务器（10）先前执行滤波以确定特征空间中的链路的投影范数是否可被插值，并且通知探测终端（20）优先收集并上传检测到的探测数据，该探测数据丢失了数据不能内插。

10. 发明申请

US20090048775A1 Method and System for Route Searching, and Navigation Apparatus Using the Same 有权
标题翻译：路线搜索的方法和系统，以及使用它的导航装置
公开(公告)号：US20090048775A1
公开(公告)日：2009-02-19
申请号：US12188040
申请日：2008-08-07
申请人： Mariko Okude , Masatoshi Kumagai , Takumi Fushiki , Koichiro Tanikoshi
发明人： Mariko Okude , Masatoshi Kumagai , Takumi Fushiki , Koichiro Tanikoshi
IPC分类号： G01C21/26
CPC分类号： G01C21/3484 , G01C21/3446
摘要： 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.
摘要翻译：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。

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