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    • 3. 发明授权
    • Mapping techniques using probe vehicles
    • 使用探测车辆的测绘技术
    • US09528834B2
    • 2016-12-27
    • US14570638
    • 2014-12-15
    • Intelligent Technologies International, Inc.
    • David S BreedRyan Breed
    • G01C21/16G01S19/13B60W30/00G06T7/00B60R21/0132
    • G01C21/165B60R21/0132B60W30/00G01S19/13G06T7/73G06T2207/10004G06T2207/30244G06T2207/30252
    • Vehicle-mounted device includes an inertial measurement unit (IMU) having at least one accelerometer or gyroscope, a GPS receiver, a camera positioned to obtain unobstructed images of an area exterior of the vehicle and a control system coupled to these components. The control system re-calibrates each accelerometer or gyroscope using signals obtained by the GPS receiver, and derives information about objects in the images obtained by the camera and location of the objects based on data from the IMU and GPS receiver. A communication system communicates the information derived by the control system to a location separate and apart from the vehicle. The control system includes a processor that provides a location of the camera and a direction in which the camera is imaging based on data from the IMU corrected based on data from the GPS receiver, for use in creating the map database.
    • 车载装置包括具有至少一个加速度计或陀螺仪的惯性测量单元(IMU),GPS接收器,定位成获得车辆外部区域的无障碍图像的照相机以及耦合到这些部件的控制系统。 控制系统使用GPS接收机获得的信号对每个加速度计或陀螺仪进行重新校准,并根据来自IMU和GPS接收机的数据,从摄像机获取的图像和对象位置中导出有关对象的信息。 通信系统将由控制系统导出的信息传送到与车辆分离和分离的位置。 控制系统包括处理器,该处理器基于来自基于来自GPS接收器的数据校正的IMU的数据,提供照相机的位置和照相机成像方向,以用于创建地图数据库。
    • 5. 发明授权
    • Wireless sensing and communication system for traffic lanes
    • 无线传感通信系统
    • US08781715B2
    • 2014-07-15
    • US14026513
    • 2013-09-13
    • Intelligent Technologies International, Inc.
    • David S Breed
    • G08G1/00
    • G08G1/096783G07C5/008G07C5/085G08G1/096716G08G1/096758
    • Wireless sensing and communication system including sensors located in the roadway or in the vicinity of the roadway and which provide information which is transmitted to one or more interrogators in the vehicle by a wireless radio frequency mechanism. Power to operate a particular sensor is supplied by the interrogator or the sensor is independently connected to either a battery, generator, vehicle power source or some source of power external to the vehicle. The sensors can provide information about the exterior environment, about the roadway, ambient atmosphere, travel conditions and/or external objects. The sensors arranged on the roadway or ancillary structures include pressure sensors, temperature sensors, moisture content or humidity sensors, and friction sensors.
    • 无线感测和通信系统包括位于道路或道路附近的传感器,其提供通过无线射频机制传输到车辆中的一个或多个询问器的信息。 操作特定传感器的电源由询问器提供,或者传感器独立地连接到电池,发电机,车辆电源或车辆外部的一些电源。 传感器可以提供关于外部环境,关于道路,环境大气,旅行条件和/或外部物体的信息。 布置在道路或辅助结构上的传感器包括压力传感器,温度传感器,水分含量或湿度传感器以及摩擦传感器。