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Wide-View LIDAR with Areas of Special Attention

机译:宽视利达与特别关注的领域

摘要

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.
机译:一种系统和方法包括通过与扫描区域对应的一系列取向扫描光检测和测距(LIDAR)装置,同时从LIDAR设备发射光脉冲。该方法还包括接收与LIDAR设备发射的光脉冲对应的返回光脉冲,并基于发射光脉冲之间的时间延迟和接收相应的返回光脉冲和LIDAR装置的方向来确定初始点云数据。初始点云数据具有初始角度分辨率。该方法包括基于初始点云数据,扫描区域中的反射特征以及确定随后扫描的增强角度分辨率来识别,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。

著录项

  • 公开/公告号US2021103289A1

    专利类型

  • 公开/公告日2021-04-08

    原文格式PDF

  • 申请/专利权人 WAYMO LLC;

    申请/专利号US202017101597

  • 申请日2020-11-23

  • 分类号G05D1/02;G01S17/42;G01S17/89;G01S7/48;G01S7/484;G01S17/86;G01S17/931;G01S7/4865;G01S17/10;

  • 国家 US

  • 入库时间 2022-08-24 17:24:01

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