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1. 发明授权

US6047234A System and method for updating, enhancing or refining a geographic database using feedback 失效
公开(公告)号：US6047234A
公开(公告)日：2000-04-04
申请号：US951767
申请日：1997-10-16
申请人： Kevin Cherveny , Aaron Crane , Lawrence M. Kaplan , John Jasper , Russell Shields
发明人： Kevin Cherveny , Aaron Crane , Lawrence M. Kaplan , John Jasper , Russell Shields
IPC分类号： G09B29/00 , G01C21/26 , G06F17/30 , G08G1/09 , G08G1/0969 , G06F165/00
CPC分类号： G01C21/32 , G01C21/26 , G08G1/0969
摘要： A system for updating, enhancing and/or refining a geographic database. A geographic database includes data representing physical features in the geographic region, and, optionally, attributes of such features. The system includes a plurality of data collecting sensors. Each of the data collecting sensors is installed in a separate one of a plurality of vehicles each of which is capable of traveling on roads in a geographic region. Each of the data collecting sensors provides outputs indicative of one or more features in the geographic region as the vehicle in which it is installed travels on the roads in the geographic region. A computer program executes a feedback process on the geographic database using the outputs of the data collecting sensors. A first part of the feedback program compares the outputs of the data collecting sensors to the data identifying the physical features and provides results representative of the comparisons. A second part of the feedback program is responsive to the results from the first part and determines the significance of the comparisons. A third part of the feedback program modifies the data in the geographic database based upon the significance determined by the second part of the program. The data in the geographic database representing physical features in the geographic region are updated, enhanced, or refined based upon the significance determined by the feedback program. The data which has been updated, enhanced, or refined, is used to provide updated, enhanced, or refined data in end-user vehicles, some of which may include the vehicles in which data collecting sensors have been installed. Sensors in end-users' vehicles are calibrated to high levels of accuracy using the data which has been updated, enhanced or refined using a feedback process. Further, an out-of-calibration sensor in an end-user's vehicle is detected and re-calibrated using the data which has been updated, enhanced or refined using a feedback process. Using a feedback process, levels of confidence are assigned to data in the geographic database representing physical features in the geographic region, thereby enabling the data to be used for purposes requiring high levels of confidence.

2. 发明授权

US06516267B1 System and method for updating, enhancing or refining a geographic database using feedback 有权
标题翻译：使用反馈更新，增强或改进地理数据库的系统和方法
公开(公告)号：US06516267B1
公开(公告)日：2003-02-04
申请号：US09532751
申请日：2000-03-22
申请人： Kevin Cherveny , Aaron Crane , Lawrence M. Kaplan , John Jasper , Russell Shields
发明人： Kevin Cherveny , Aaron Crane , Lawrence M. Kaplan , John Jasper , Russell Shields
IPC分类号： G06F1700
CPC分类号： G01C21/32 , G01C21/26 , G08G1/0969
摘要： A method for updating a geographic database is disclosed. Data collecting equipment is installed in each of a plurality of vehicles each of which also has a navigation system. The data collection equipment is used to collect data while the vehicles are being driven along roads by their respective users. In addition, a method for assigning a confidence level to geographic data is disclosed. The confidence level is assigned to the geographic data as an attribute. In addition, a method for determining a position of a vehicle by sensing roadside structures is disclosed. Data indicating positions of roadside structures are contained in a geographic database. By matching positions of sensed roadside structures to data in the geographic database that indicates the positions of the structures, the position of the vehicle while traveling can be determined.
摘要翻译：公开了一种用于更新地理数据库的方法。数据采集设备安装在每个也具有导航系统的多个车辆中的每一个中。数据采集设备用于收集数据，同时车辆由相应用户沿着道路行驶。另外，公开了一种将置信水平分配给地理数据的方法。将置信水平分配给地理数据作为属性。此外，公开了一种通过感测路边结构来确定车辆的位置的方法。表示路边结构位置的数据包含在地理数据库中。通过将感测到的路边结构的位置与指示结构的位置的地理数据库中的数据相匹配，可以确定行驶时车辆的位置。

3. 发明申请

US20050149259A1 System and method for updating, enhancing, or refining a geographic database using feedback 审中-公开
标题翻译：使用反馈更新，增强或改进地理数据库的系统和方法
公开(公告)号：US20050149259A1
公开(公告)日：2005-07-07
申请号：US11044139
申请日：2005-01-27
申请人： Kevin Cherveny , Aaron Crane , Lawrence Kaplan , John Jasper , Russell Shields
发明人： Kevin Cherveny , Aaron Crane , Lawrence Kaplan , John Jasper , Russell Shields
IPC分类号： G09B29/00 , G01C21/26 , G06F17/30 , G08G1/09 , G08G1/0969
CPC分类号： G01C21/32 , G01C21/26 , G08G1/0969
摘要： A method for updating a geographic database is disclosed. Data collecting equipment is installed in each of a plurality of vehicles each of which also has a navigation system. The data collection equipment is used to collect data while the vehicles are being driven along roads by their respective users. In addition, a method for assigning a confidence level to geographic data is disclosed. The confidence level is assigned to the geographic data as an attribute. In addition, a method for determining a position of a vehicle by sensing roadside structures is disclosed. Data indicating positions of roadside structures are contained in a geographic database. By matching positions of sensed roadside structures to data in the geographic database that indicates the positions of the structures, the position of the vehicle while traveling can be determined.
摘要翻译：公开了一种用于更新地理数据库的方法。数据采集设备安装在每个也具有导航系统的多个车辆中的每一个中。数据采集设备用于收集数据，同时车辆由相应用户沿着道路行驶。另外，公开了一种将置信水平分配给地理数据的方法。将置信水平分配给地理数据作为属性。此外，公开了一种通过感测路边结构来确定车辆的位置的方法。表示路边结构位置的数据包含在地理数据库中。通过将感测到的路边结构的位置与指示结构的位置的地理数据库中的数据相匹配，可以确定行驶时车辆的位置。

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