Wide-view LIDAR with areas of special attention
    1.
    发明授权
    Wide-view LIDAR with areas of special attention 有权
    宽视野激光雷达与特别关注的领域

    公开(公告)号:US09383753B1

    公开(公告)日:2016-07-05

    申请号:US13627623

    申请日:2012-09-26

    Applicant: Google Inc.

    Abstract: A light detection and ranging device with dynamically adjustable angular resolution for use as a sensor providing environmental information for navigating an autonomous vehicle is disclosed. A first region of a scanning zone is scanned while emitting light pulses at a first pulse rate, and a second region of the scanning zone is scanned while emitting light pulses at a second pulse rate different from the first pulse rate. Information from the LIDAR device indicative of the time delays between the emission of the light pulses and the reception of the corresponding returning light pulses is received. A three dimensional point map is generated where the resolution of the point map in the first region is based on the first pulse rate and is based on the second pulse rate in the second region.

    Abstract translation: 公开了一种具有动态可调角度分辨率的光检测和测距装置,用作提供用于导航自主车辆的环境信息的传感器。 在以第一脉冲速率发射光脉冲的同时扫描扫描区域的第一区域,扫描区域的第二区域被扫描,同时以不同于第一脉冲速率的第二脉冲速率发射光脉冲。 来自LIDAR装置的指示光脉冲的发射与相应的返回光脉冲的接收之间的时间延迟的信息被接收。 产生三维点图,其中第一区域中的点图的分辨率基于第一脉冲率,并且基于第二区域中的第二脉冲率。

    Wide-View LIDAR With Areas of Special Attention
    5.
    发明申请
    Wide-View LIDAR With Areas of Special Attention 有权
    宽视角激光雷达特别注意的领域

    公开(公告)号:US20160274589A1

    公开(公告)日:2016-09-22

    申请号:US15170470

    申请日:2016-06-01

    Applicant: Google Inc.

    Abstract: A system and method include scanning a light detection and ranging (LIDAR) device through a range of orientations corresponding to a scanning zone while emitting light pulses from the LIDAR device. The method also includes receiving returning light pulses corresponding to the light pulses emitted from the LIDAR device and determining initial point cloud data based on time delays between emitting the light pulses and receiving the corresponding returning light pulses and the orientations of the LIDAR device. The initial point cloud data has an initial angular resolution. The method includes identifying, based on the initial point cloud data, a reflective feature in the scanning zone and determining an enhancement region and an enhanced angular resolution for a subsequent scan to provide a higher spatial resolution in at least a portion of subsequent point cloud data from the subsequent scan corresponding to the reflective feature.

    Abstract translation: 一种系统和方法包括在发射来自激光雷达装置的光脉冲的同时扫描光检测和测距(LIDAR)装置通过与扫描区对应的一系列取向。 该方法还包括接收对应于从激光雷达装置发射的光脉冲的返回光脉冲,并且基于发射光脉冲之间的时间延迟并接收相应的返回光脉冲和激光雷达装置的取向来确定初始点云数据。 初始点云数据具有初始角分辨率。 该方法包括基于初始点云数据识别扫描区域中的反射特征并且确定增强区域和增强的角度分辨率用于随后的扫描以在后续点云数据的至少一部分中提供更高的空间分辨率 从随后的扫描对应于反射特征。

    Positioning vehicles to improve quality of observations at intersections
    7.
    发明授权
    Positioning vehicles to improve quality of observations at intersections 有权
    定位车辆以提高交叉口的观测质量

    公开(公告)号:US09280156B1

    公开(公告)日:2016-03-08

    申请号:US14193674

    申请日:2014-02-28

    Applicant: Google Inc.

    Abstract: Disclosed herein are methods and apparatus for controlling autonomous vehicles utilizing maps that include visibility information. A map is stored at a computing device associated with a vehicle. The vehicle is configured to operate in an autonomous mode that supports a plurality of driving behaviors. The map includes information about a plurality of roads, a plurality of features, and visibility information for at least a first feature in the plurality of features. The computing device queries the map for visibility information for the first feature at a first position. The computing device, in response to querying the map, receives the visibility information for the first feature at the first position. The computing device selects a driving behavior for the vehicle based on the visibility information. The computing device controls the vehicle in accordance with the selected driving behavior.

    Abstract translation: 这里公开了使用包括可见度信息的地图来控制自主车辆的方法和装置。 地图存储在与车辆相关联的计算设备处。 车辆被配置为以支持多个驾驶行为的自主模式操作。 该地图包括关于多个道路的信息,多个特征以及用于多个特征中的至少第一特征的可见度信息。 计算设备在第一位置查询地图上的第一特征的可见度信息。 计算设备响应于查询地图,在第一位置接收第一特征的可见性信息。 计算装置基于可见性信息来选择车辆的驾驶行为。 计算装置根据选择的驾驶行为来控制车辆。

    Use of Relationship between Activities of Different Traffic Signals in a Network to Improve Traffic Signal State Estimation
    8.
    发明申请
    Use of Relationship between Activities of Different Traffic Signals in a Network to Improve Traffic Signal State Estimation 有权
    使用网络中不同业务信号的活动之间的关系来改善交通信号状态估计

    公开(公告)号:US20150379869A1

    公开(公告)日:2015-12-31

    申请号:US14843705

    申请日:2015-09-02

    Applicant: Google Inc.

    Abstract: Methods and devices for using a relationship between activities of different traffic signals in a network to improve traffic signal state estimation are disclosed. An example method includes determining that a vehicle is approaching an upcoming traffic signal. The method may further include determining a state of one or more traffic signals other than the upcoming traffic signal. Additionally, the method may also include determining an estimate of a state of the upcoming traffic signal based on a relationship between the state of the one or more traffic signals other than the upcoming traffic signal and the state of the upcoming traffic signal.

    Abstract translation: 公开了在网络中使用不同业务信号的活动之间的关系以改善业务信号状态估计的方法和装置。 示例性方法包括确定车辆正在接近即将到来的交通信号。 该方法还可以包括确定除即将到来的业务信号之外的一个或多个业务信号的状态。 另外,该方法还可以包括基于即将到来的业务信号之外的一个或多个业务信号的状态与即将到来的业务信号的状态之间的关系来确定即将到来的业务信号的状态的估计。

    Use of relationship between activities of different traffic signals in a network to improve traffic signal state estimation
    10.
    发明授权
    Use of relationship between activities of different traffic signals in a network to improve traffic signal state estimation 有权
    利用网络中不同交通信号的活动之间的关系来改善交通信号状态估计

    公开(公告)号:US09158980B1

    公开(公告)日:2015-10-13

    申请号:US13622418

    申请日:2012-09-19

    Applicant: Google Inc.

    Abstract: Methods and devices for using a relationship between activities of different traffic signals in a network to improve traffic signal state estimation are disclosed. An example method includes determining that a vehicle is approaching an upcoming traffic signal. The method may further include determining a state of one or more traffic signals other than the upcoming traffic signal. Additionally, the method may also include determining an estimate of a state of the upcoming traffic signal based on a relationship between the state of the one or more traffic signals other than the upcoming traffic signal and the state of the upcoming traffic signal.

    Abstract translation: 公开了在网络中使用不同业务信号的活动之间的关系以改善业务信号状态估计的方法和装置。 示例性方法包括确定车辆正在接近即将到来的交通信号。 该方法还可以包括确定除即将到来的业务信号之外的一个或多个业务信号的状态。 另外,该方法还可以包括基于即将到来的业务信号之外的一个或多个业务信号的状态与即将到来的业务信号的状态之间的关系来确定即将到来的业务信号的状态的估计。

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