公开(公告)号：US06510377B2

公开(公告)日：2003-01-21

申请号：US09862222

申请日：2001-05-21

申请人： Tam A. Phung ,  Ronald C. Allison ,  James R. Yurgil ,  Xiaowen Dai ,  Thomas E. Bolander

发明人： Tam A. Phung ,  Ronald C. Allison ,  James R. Yurgil ,  Xiaowen Dai ,  Thomas E. Bolander

IPC分类号： G06F1900

CPC分类号： G08G1/0104 ,  B60W2520/10 ,  B60W2550/20

摘要： A method for continuously predicting the type of traffic in which a vehicle is traveling. The traffic pattern can be used in other vehicle control systems as an input to determine how to adjust system parameters, such as control loop proportional and integral gain calibrations. Vehicle speed is sampled over a variable number of sampling intervals, defining a prediction period. The prediction period varies as a function of distance traveled, and is limited for conditions where the distance interval is not reached within a particular time interval. When the prediction period is reached, average vehicle speed and speed variation over the period are determined. A lookup table incorporating average speed and speed variation is used to determine the traffic pattern. The prediction period can be shortened to quickly recognize transitions from city or highway traffic pattern.

摘要翻译： 一种用于连续预测车辆行驶的交通类型的方法。 交通模式可以在其他车辆控制系统中用作输入，以确定如何调整系统参数，如控制回路比例和积分增益校准。 在可变数量的采样间隔采样车速，定义预测周期。 预测周期作为行进距离的函数而变化，并且对于在特定时间间隔内没有达到距离间隔的条件是有限的。 当达到预测周期时，确定该周期内的平均车速和速度变化。 使用包含平均速度和速度变化的查找表来确定流量模式。 可以缩短预测周期，快速识别城市或公路交通模式的转变。

公开(公告)号：US07356407B2

公开(公告)日：2008-04-08

申请号：US11244788

申请日：2005-10-06

申请人： Richard A. Johnson ,  Xiaowen Dai ,  Robert P. Roesser

发明人： Richard A. Johnson ,  Xiaowen Dai ,  Robert P. Roesser

IPC分类号： G01C21/30

CPC分类号： G01C21/3484 ,  G08G1/096811 ,  G08G1/096838

摘要： The invention includes cohort analysis as an element of an in-vehicle navigation system. As an operator makes trips from an origin to a destination, the navigation system records various route segments chosen. These choices are compared to route segments comprising a minimal time route calculated for the trip. Segments not part of the prescribed route are collected and periodically sent along with the origin and destination to a centralized server, wherein they are stored in a database. The central server also has an extensive map database that lists many attributes for each segment not generally included in an in-vehicle database. The attributes include variables pertaining to traffic flow, e.g. speed, number of lanes, lane width; topology, e.g. possible turns at endpoints; geometry, e.g. horizontal shape, vertical curvature, and super-elevation; usage, e.g. freeway, arterial, local, residential, business; and topography, e.g. buildings, trees, open-space, facilities, and stores.

摘要翻译： 本发明包括作为车载导航系统的元件的队列分析。 作为运营商从起点到目的地的旅行，导航系统记录所选择的各种路段。 将这些选择与包括为行程计算的最小时间路线的路线段进行比较。 收集不是规定路线的一部分的段，并将其与起点和目的地一起定期发送到集中式服务器，其中它们存储在数据库中。 中央服务器还具有广泛的地图数据库，列出了车辆数据库中通常不包括的每个段的许多属性。 属性包括与流量有关的变量，例如 速度，车道数，车道宽度; 拓扑，例如 端点可能转向; 几何形状，例如 水平形状，垂直曲率和超高程; 用法，例如 高速公路，动脉，本地，住宅，商业; 和地形，例如。 建筑物，树木，开放空间，设施和商店。

公开(公告)号：US08340889B2

公开(公告)日：2012-12-25

申请号：US11393320

申请日：2006-03-30

申请人： Martin A. Ferman ,  Xiaowen Dai ,  Robert P. Roesser

发明人： Martin A. Ferman ,  Xiaowen Dai ,  Robert P. Roesser

IPC分类号： G06F19/00

CPC分类号： G08G1/0104

摘要： A system and method for combining sequential map segments to aggregate, analyze, and display traffic data collected from one or more probe vehicles located on one or more of the map segments.

摘要翻译： 一种用于组合顺序地图片段以聚合，分析和显示从位于一个或多个地图片段上的一个或多个探测车辆收集的交通数据的系统和方法。

公开(公告)号：US20070076918A1

公开(公告)日：2007-04-05

申请号：US11242742

申请日：2005-10-04

申请人： Xiaowen Dai ,  Robert Roesser

发明人： Xiaowen Dai ,  Robert Roesser

IPC分类号： G06K9/00

CPC分类号： G06K9/00771

摘要： A vehicle traffic monitoring apparatus includes an imaging device; an image processing device; a global positioning device; and, a wireless communications system. The image processing device includes a computer program to process a data stream from the imaging device, to recognize individual vehicles substantially in view of the vehicle; and, quantify motion of the recognized individual vehicles. A second data stream is a signal output from the image processing device and includes code representing the recognized individual vehicles in view of the vehicle, quantified motion of the recognized vehicles; and vehicle position data from the global positioning system receiver. The wireless communications device receives the second data stream and communicates it a remote device. Localized traffic is monitored in metrics of traffic density, congestion, and, turbulence.

摘要翻译： 车辆交通监控装置包括成像装置; 图像处理装置; 全球定位装置; 以及无线通信系统。 图像处理装置包括用于处理来自成像装置的数据流的计算机程序，基本上鉴于车辆识别各个车辆; 并量化识别的单个车辆的运动。 第二数据流是从图像处理装置输出的信号，并且包括代表识别的车辆的代码，识别的车辆的量化运动; 以及来自全球定位系统接收机的车辆位置数据。 无线通信设备接收第二数据流并将其传送到远程设备。 本地化流量以流量密度，拥塞和湍流的指标进行监控。

公开(公告)号：US07571029B2

公开(公告)日：2009-08-04

申请号：US11242743

申请日：2005-10-04

申请人： Xiaowen Dai ,  Robert P. Roesser

发明人： Xiaowen Dai ,  Robert P. Roesser

IPC分类号： G06F17/00

CPC分类号： G08G1/096791 ,  G08G1/0104

摘要： An on-vehicle system for identifying and reporting external conditions is presented. The system has an operator-selectable user interface to identify occurrence of an external condition, a global positioning system receiver; and, a wireless communications system. The unit may be used to assist in discovering localized roadway conditions that adversely affect safety and travel. The unit is placeable into a vehicle of a volunteer, is manually operated whenever a hazard is detected. Reportable hazards include potholes, obstacles or debris in the highway, snow or ice patches, fog, unusual traffic or pedestrian activity, and localized incidences, such as presence of disabled or emergency vehicles. Nature of the hazard is indicatable by manual activation of additional push buttons or other suitable devices. A GPS receiver is incorporated to estimate position, speed, and heading of the hazard. The information is encoded as a message sent to a central server.

摘要翻译： 介绍了用于识别和报告外部条件的车载系统。 该系统具有用于识别外部条件的发生的操作者可选择的用户界面，全球定位系统接收器; 以及无线通信系统。 该装置可用于协助发现对安全和旅行产生不利影响的局部道路状况。 该单元可放置在志愿者的车辆中，每当检测到危险时，手动操作。 可报告的危害包括公路上的坑洼，障碍物或碎片，雪或冰块，雾，异常交通或行人活动，以及局部发生，如残疾人或紧急车​​辆的存在。 通过手动激活附加按钮或其他合适的设备可以指示危险性质。 引入GPS接收机来估计危险的位置，速度和航向。 信息被编码为发送到中央服务器的消息。

公开(公告)号：US07460948B2

公开(公告)日：2008-12-02

申请号：US11372721

申请日：2006-03-10

申请人： Darrel J. Van Buer ,  Son K. Dao ,  Xiaowen Dai ,  Richard A. Johnson

发明人： Darrel J. Van Buer ,  Son K. Dao ,  Xiaowen Dai ,  Richard A. Johnson

IPC分类号： G08G1/00

CPC分类号： G08G1/0104 ,  H04W4/44

摘要： A system and method for determining and communicating a traffic anomaly at a point to at least one receiving vehicle includes a traffic information center and at least one probe device. Each probe device is configured to determine and store within an on-board database a current value of a condition at the point during each of a plurality of trips, so as to build a history of condition values. The probe device is further configured to compare the current value to the historic values during each trip, and selectively transmit notification of an anomalous value to the center.

摘要翻译： 用于确定和传送一点到达至少一个接收车辆的交通异常的系统和方法包括交通信息中心和至少一个探测设备。 每个探测设备被配置为在多个行程中的每一个期间确定并在车载数据库内存储条件的当前值，以便建立条件值的历史。 探针装置还被配置为在每个行程期间将当前值与历史值进行比较，并且选择性地将异常值的通知发送到中心。

公开(公告)号：US20070213922A1

公开(公告)日：2007-09-13

申请号：US11372721

申请日：2006-03-10

申请人： Darrel Van Buer ,  Son Dao ,  Xiaowen Dai ,  Richard Johnson

发明人： Darrel Van Buer ,  Son Dao ,  Xiaowen Dai ,  Richard Johnson

IPC分类号： G08G1/00

CPC分类号： G08G1/0104 ,  H04W4/44

摘要： A system and method for determining and communicating a traffic anomaly at a point to at least one receiving vehicle includes a traffic information center and at least one probe device. Each probe device is configured to determine and store within an on-board database a current value of a condition at the point during each of a plurality of trips, so as to build a history of condition values. The probe device is further configured to compare the current value to the historic values during each trip, and selectively transmit notification of an anomalous value to the center.

摘要翻译： 用于确定和传送一点到达至少一个接收车辆的交通异常的系统和方法包括交通信息中心和至少一个探测设备。 每个探测设备被配置为在多个行程中的每一个期间确定并在车载数据库内存储条件的当前值，以便建立条件值的历史。 探针装置还被配置为在每个行程期间将当前值与历史值进行比较，并且选择性地将异常值的通知发送到中心。

公开(公告)号：US07518260B2

公开(公告)日：2009-04-14

申请号：US11242742

申请日：2005-10-04

申请人： Xiaowen Dai ,  Robert P. Roesser

发明人： Xiaowen Dai ,  Robert P. Roesser

IPC分类号： B60L1/00

CPC分类号： G06K9/00771

摘要： A vehicle traffic monitoring apparatus includes an imaging device; an image processing device; a global positioning device; and, a wireless communications system. The image processing device includes a computer program to process a data stream from the imaging device, to recognize individual vehicles substantially in view of the vehicle; and, quantify motion of the recognized individual vehicles. A second data stream is a signal output from the image processing device and includes code representing the recognized individual vehicles in view of the vehicle, quantified motion of the recognized vehicles; and vehicle position data from the global positioning system receiver. The wireless communications device receives the second data stream and communicates it a remote device. Localized traffic is monitored in metrics of traffic density, congestion, and, turbulence.

摘要翻译： 车辆交通监控装置包括成像装置; 图像处理装置; 全球定位装置; 以及无线通信系统。 图像处理装置包括用于处理来自成像装置的数据流的计算机程序，基本上鉴于车辆识别各个车辆; 并量化识别的单个车辆的运动。 第二数据流是从图像处理装置输出的信号，并且包括代表识别的车辆的代码，识别的车辆的量化运动; 以及来自全球定位系统接收机的车辆位置数据。 无线通信设备接收第二数据流并将其传送到远程设备。 本地化流量以流量密度，拥塞和湍流的指标进行监控。

公开(公告)号：US20070233359A1

公开(公告)日：2007-10-04

申请号：US11393320

申请日：2006-03-30

申请人： Martin Ferman ,  Xiaowen Dai ,  Robert Roesser

发明人： Martin Ferman ,  Xiaowen Dai ,  Robert Roesser

IPC分类号： G08G1/00

CPC分类号： G08G1/0104

摘要： A system and method for combining sequential map segments to aggregate, analyze, and display traffic data collected from one or more probe vehicles located on one or more of the map segments.

摘要翻译： 一种用于组合顺序地图片段以聚合，分析和显示从位于一个或多个地图片段上的一个或多个探测车辆收集的交通数据的系统和方法。

公开(公告)号：US20070083326A1

公开(公告)日：2007-04-12

申请号：US11244788

申请日：2005-10-06

申请人： Richard Johnson ,  Xiaowen Dai ,  Robert Roesser

发明人： Richard Johnson ,  Xiaowen Dai ,  Robert Roesser

IPC分类号： G01C21/30

CPC分类号： G01C21/3484 ,  G08G1/096811 ,  G08G1/096838

摘要： The invention includes cohort analysis as an element of an in-vehicle navigation system. As an operator makes trips from an origin to a destination, the navigation system records various route segments chosen. These choices are compared to route segments comprising a minimal time route calculated for the trip. Segments not part of the prescribed route are collected and periodically sent along with the origin and destination to a centralized server, wherein they are stored in a database. The central server also has an extensive map database that lists many attributes for each segment not generally included in an in-vehicle database. The attributes include variables pertaining to traffic flow, e.g. speed, number of lanes, lane width; topology, e.g. possible turns at endpoints; geometry, e.g. horizontal shape, vertical curvature, and super-elevation; usage, e.g. freeway, arterial, local, residential, business; and topography, e.g. buildings, trees, open-space, facilities, and stores.

摘要翻译： 本发明包括作为车载导航系统的元件的队列分析。 作为运营商从起点到目的地的旅行，导航系统记录所选择的各种路段。 将这些选择与包括为行程计算的最小时间路线的路线段进行比较。 收集不是规定路线的一部分的段，并将其与起点和目的地一起定期发送到集中式服务器，其中它们存储在数据库中。 中央服务器还具有广泛的地图数据库，列出了车辆数据库中通常不包括的每个段的许多属性。 属性包括与流量有关的变量，例如 速度，车道数，车道宽度; 拓扑，例如 端点可能转向; 几何形状，例如 水平形状，垂直曲率和超高程; 用法，例如 高速公路，动脉，本地，住宅，商业; 和地形，例如。 建筑物，树木，开放空间，设施和商店。