CELL-BASED VEHICLE DRIVING CONTROL METHOD AND SYSTEM
    11.
    发明申请
    CELL-BASED VEHICLE DRIVING CONTROL METHOD AND SYSTEM 有权
    基于细胞的车辆驾驶控制方法和系统

    公开(公告)号:US20110130918A1

    公开(公告)日:2011-06-02

    申请号:US12819658

    申请日:2010-06-21

    IPC分类号: G06F7/00 G01S19/42 G01C21/26

    摘要: A cell-based vehicle driving control system includes a local server for obtaining road environment information on roads within a cell and target vehicle information on a target vehicle within the cell and generating local waypoints based on the road environment information and the target vehicle information; a global server for monitoring the target vehicle information, the road environment information and local server information on the local server received from the local server; and a vehicle control terminal, mounted in the target vehicle, for receiving the local waypoints from the local server and controlling the target vehicle based on the local waypoints. The road environment information is obtained by using at least one sensor installed on the roads.

    摘要翻译: 基于小区的车辆驾驶控制系统包括:本地服务器,用于获取小区内的道路的道路环境信息,以及在所述小区内的目标车辆上的目标车辆信息,并且基于所述道路环境信息和所述目标车辆信息生成本地道路点; 用于监视从本地服务器接收的本地服务器上的目标车辆信息,道路环境信息和本地服务器信息的全球服务器; 以及安装在目标车辆中的车辆控制终端,用于从本地服务器接收本地航路点并且基于本地航路点来控制目标车辆。 通过使用安装在道路上的至少一个传感器获得道路环境信息。

    AUTOMATIC VEHICLE GUIDANCE SYSTEM
    13.
    发明申请
    AUTOMATIC VEHICLE GUIDANCE SYSTEM 有权
    自动车辆指导系统

    公开(公告)号:US20110125344A1

    公开(公告)日:2011-05-26

    申请号:US12904478

    申请日:2010-10-14

    IPC分类号: G05D1/00 G01C21/34

    摘要: A vehicle controller includes a communications unit for performing data communications with local servers; a local path generation unit for generating, in response to an automatic vehicle guidance service request, a local path based on a driving control command and sensing information received from the local servers via the communications unit; a path-following control unit for generating actuator control signals for controlling actuators of a vehicle to drive the vehicle along the local path; and a vehicle driving unit for driving the actuators according to the actuator control signals. Each local server pre-processes and merges sensor data received from the infra-sensor to generate the sensing information. A global server generates the driving control command based on the sensing information and transmits the driving control command to the local servers.

    摘要翻译: 车辆控制器包括用于与本地服务器进行数据通信的通信单元; 本地路径产生单元,用于响应于自动车辆引导服务请求,基于来自本地服务器的驱动控制命令和感测信息经由通信单元生成本地路径; 路径跟随控制单元,用于产生用于控制车辆的致动器沿着本地路径驱动车辆的致动器控制信号; 以及用于根据致动器控制信号驱动致动器的车辆驱动单元。 每个本地服务器预处理和合并从基础传感器接收的传感器数据,以生成感测信息。 全局服务器基于感测信息生成驱动控制命令,并将驱动控制命令发送到本地服务器。

    APPARATUS AND METHOD OF ESTIMATING CENTER LINE OF INTERSECTION
    15.
    发明申请
    APPARATUS AND METHOD OF ESTIMATING CENTER LINE OF INTERSECTION 有权
    估计中心线交点的装置和方法

    公开(公告)号:US20080123902A1

    公开(公告)日:2008-05-29

    申请号:US11858181

    申请日:2007-09-20

    IPC分类号: G06K9/00 G06K9/46

    CPC分类号: G06K9/00798

    摘要: Provided are a method and apparatus for estimating a center line of an intersection by recognizing a crosswalk on a road input through a camera installed in a vehicle. The apparatus includes a road information providing unit which provides information about a road being traveled based on location information of a traveling vehicle; a crosswalk recognizing unit which recognizes a crosswalk based on an input image of the intersection and the information about the road and obtains a distance from the traveling vehicle to the crosswalk; and an intersection center line estimating unit which estimates the center line of the intersection based on the information about the road and the distance from the traveling vehicle to the crosswalk. Since the center line of the intersection is estimated, the apparatus and method of estimating a center line of an intersection according to the present invention can prevent traffic accidents occurring frequently at an intersection and helps indicate direction information of ‘real vehicle navigation.’

    摘要翻译: 提供一种用于通过识别通过安装在车辆中的相机输入的道路上的人行横道来估计交叉路口的中心线的方法和装置。 该装置包括道路信息提供单元,其基于行驶车辆的位置信息提供关于正在行驶的道路的信息; 基于交叉口的输入图像识别人行横道的人行横道识别单元和关于道路的信息,并获得从行进车辆到人行横道的距离; 以及基于关于道路的信息和从行驶车辆到人行横道的距离来估计交叉口的中心线的交叉路口中心线估计单元。 由于估计了交点的中心线,所以根据本发明的估计交叉路口的中心线的装置和方法可以防止交叉路口频繁发生的交通事故,并且有助于指示“真正的车辆导航”的方向信息。

    Apparatus for correcting position and attitude information of camera and method thereof
    16.
    发明申请
    Apparatus for correcting position and attitude information of camera and method thereof 失效
    用于校正照相机的位置和姿态信息的装置及其方法

    公开(公告)号:US20060146136A1

    公开(公告)日:2006-07-06

    申请号:US11285529

    申请日:2005-11-21

    申请人: Seong-Ik Cho

    发明人: Seong-Ik Cho

    IPC分类号: H04N5/225

    摘要: Provided is an apparatus for precisely correcting position and attitude information of a camera by analyzing image information received through a three line scanner in operation of the camera obtaining the position and attitude information from a Global Navigation Satellite System (GNSS) and an Inertial Navigation System (INS), and a method thereof. The method for correcting position and attitude information of a camera includes the steps of: a) calculating the position of the camera by using the GNSS; b) calculating the attitude of the camera by using the INS; c) generating the position and attitude correction information of the camera by analyzing an image received through a three line scanner mounted in the camera; and d) receiving a feedback of the position and attitude correction information in the GNSS and the INS.

    摘要翻译: 提供了一种用于通过分析在相机获得来自全球导航卫星系统(GNSS)和惯性导航系统(GNSS)的位置和姿态信息的相机的操作中通过三线扫描仪接收的图像信息来精确地校正照相机的位置和姿态信息的装置 INS)及其方法。 用于校正照相机的位置和姿态信息的方法包括以下步骤:a)使用GNSS计算相机的位置; b)使用INS计算摄像机的姿态; c)通过分析通过安装在相机中的三线扫描仪接收的图像来生成相机的位置和姿态校正信息; 以及d)在GNSS和INS中接收位置和姿态校正信息的反馈。

    Delay locked loop having low jitter in semiconductor device
    17.
    发明授权
    Delay locked loop having low jitter in semiconductor device 有权
    延迟锁定环在半导体器件中具有低抖动

    公开(公告)号:US06917229B2

    公开(公告)日:2005-07-12

    申请号:US10636818

    申请日:2003-08-07

    申请人: Seong-Ik Cho

    发明人: Seong-Ik Cho

    CPC分类号: H03L7/0814 H03L7/087

    摘要: A DLL circuit having a low jitter in a semiconductor device, includes a delay model unit for compensating a time difference between an external clock signal and an internal clock signals and generating a compensation signal; an input buffer for receiving a reference clock signal and an inverted clock signal, and for outputting a clock signal and an inverted clock signal activated at each edges of the reference clock signal and the inverted clock signal; a phase detection unit for generating a comparison signal by comparing the compensation signal with the inverted clock signal, and for outputting the comparison signal with a normal mode or a fast mode; a control unit for generating a plurality of control signals by receiving the comparison signal, the inverted clock signal and the clock signal; a delay unit for delaying in response to the plurality of control signals; and an output buffer for outputting a delayed clock signal by receiving an output signal of the duty corrector.

    摘要翻译: 在半导体器件中具有低抖动的DLL电路包括用于补偿外部时钟信号和内部时钟信号之间的时间差并产生补偿信号的延迟模型单元; 输入缓冲器,用于接收参考时钟信号和反相时钟信号,并用于输出在参考时钟信号和反相时钟信号的每个边沿处被激活的时钟信号和反相时钟信号; 相位检测单元,用于通过将补偿信号与反相时钟信号进行比较来产生比较信号,并用于以正常模式或快速模式输出比较信号; 控制单元,用于通过接收比较信号,反相时钟信号和时钟信号来产生多个控制信号; 延迟单元,用于响应于所述多个控制信号而延迟; 以及输出缓冲器,用于通过接收占空比校正器的输出信号来输出延迟的时钟信号。

    Apparatus for calculating optical flow and camera motion using correlation matching and system model in moving image
    18.
    发明授权
    Apparatus for calculating optical flow and camera motion using correlation matching and system model in moving image 失效
    运动图像中使用相关匹配和系统模型计算光流和相机运动的装置

    公开(公告)号:US06683677B2

    公开(公告)日:2004-01-27

    申请号:US10098430

    申请日:2002-03-18

    IPC分类号: G01F336

    CPC分类号: G06T7/20 G06T7/80

    摘要: An apparatus for calculating optical flow and camera motion using correlation matching and a system model in a moving image, in which the calculation of the optical flow is executed accurately in real time, even when an image rotation or zoom change has occurred. The apparatus comprises a feature point extracting section for extracting a feature point of a sequence of input images (previous image and current image); an optical flow calculating section for calculating an optical flow by use of the feature point extracted by the feature point extracting section; a first camera motion calculating section for calculating a camera motion by use of the optical flow calculated by the optical flow calculating section; a second camera motion calculating section for eliminating an incorrect optical flow from the optical flow calculated by the optical flow calculating section and again calculating camera motion; an optical flow location estimating section for estimating a location of the optical flow by estimating a distance difference between an estimated feature point location and a current feature point location in the previous image according to the camera motion calculated by the second camera motion calculating section; and a weighted value calculating section for calculating a weighted value according to the camera motion calculated by the second camera motion calculating section and providing the weighted value to the optical flow calculating section.

    摘要翻译: 即使在发生了图像旋转或变焦变化的情况下,也可以使用相关性匹配和运动图像中的系统模型来计算光流量和摄像机运动的装置,其中即使精确地实时地执行光流的计算。 该装置包括用于提取输入图像序列(先前图像和当前图像)的特征点的特征点提取部分; 光流计算部分,用于通过使用由特征点提取部分提取的特征点来计算光流; 第一相机运动计算部分,用于通过使用由光流计算部分计算出的光流来计算相机运动; 第二相机运动计算部分,用于从光流计算部分计算的光流中消除不正确的光流,并再次计算相机运动; 光流位置估计部分,用于通过根据由第二相机运动计算部分计算的相机运动估计在先前图像中的估计特征点位置和当前特征点位置之间的距离差来估计光流的位置; 以及加权值计算部分,用于根据由第二相机运动计算部分计算的相机运动来计算加权值,并将加权值提供给光流计算部分。

    Apparatus and method of estimating center line of intersection
    19.
    发明授权
    Apparatus and method of estimating center line of intersection 有权
    估计中心线交点的装置和方法

    公开(公告)号:US07894632B2

    公开(公告)日:2011-02-22

    申请号:US11858181

    申请日:2007-09-20

    IPC分类号: G06K9/00

    CPC分类号: G06K9/00798

    摘要: Provided are a method and apparatus for estimating a center line of an intersection by recognizing a crosswalk on a road input through a camera installed in a vehicle. The apparatus includes a road information providing unit which provides information about a road being traveled based on location information of a traveling vehicle; a crosswalk recognizing unit which recognizes a crosswalk based on an input image of the intersection and the information about the road and obtains a distance from the traveling vehicle to the crosswalk; and an intersection center line estimating unit which estimates the center line of the intersection based on the information about the road and the distance from the traveling vehicle to the crosswalk. Since the center line of the intersection is estimated, the apparatus and method of estimating a center line of an intersection according to the present invention can prevent traffic accidents occurring frequently at an intersection and helps indicate direction information of ‘real vehicle navigation.’

    摘要翻译: 提供一种用于通过识别通过安装在车辆中的相机输入的道路上的人行横道来估计交叉路口的中心线的方法和装置。 该装置包括道路信息提供单元,其基于行驶车辆的位置信息提供关于正在行驶的道路的信息; 基于交叉口的输入图像识别人行横道的人行横道识别单元和关于道路的信息,并获得从行进车辆到人行横道的距离; 以及基于关于道路的信息和从行驶车辆到人行横道的距离来估计交叉口的中心线的交叉路口中心线估计单元。 由于估计了交点的中心线,所以根据本发明的估计交叉路口的中心线的装置和方法可以防止交叉路口频繁发生的交通事故,并且有助于指示“真正的车辆导航”的方向信息。

    Method for providing services on online geometric correction using GCP chips
    20.
    发明授权
    Method for providing services on online geometric correction using GCP chips 失效
    使用GCP芯片在线几何校正提供服务的方法

    公开(公告)号:US07379614B2

    公开(公告)日:2008-05-27

    申请号:US10872384

    申请日:2004-06-22

    IPC分类号: G06K9/40

    CPC分类号: G06T5/006 G06T2207/30181

    摘要: Disclosed is a method for providing services on online geometric correction using, in which information related with GCP (Ground Control Point) used for correcting geometric distortion of an image collected by an aircraft or a satellite are transmitted online through Internet network, thereby allowing a user at a remote place to perform geometric correction or ortho-rectification. In the geometric correction process, the image information related with the GCP is provided but the precise geographic coordinate of the GCP itself is not provided to thereby maintain the secretion of detailed geographic information.

    摘要翻译: 公开了一种用于在线几何校正的服务的方法,其中使用用于校正由飞行器或卫星收集的图像的几何失真的GCP(地面控制点)的信息通过因特网网络在线传输,从而允许用户 在远程位置执行几何矫正或矫正矫正。 在几何校正处理中,提供与GCP相关的图像信息,但是不提供GCP本身的精确地理坐标,从而保持详细地理信息的分泌。