INTERFERENCE POINT DETERMINING METHOD AND APPARATUS, STORAGE MEDIUM, AND MULTI-CHANNEL LIDAR

    公开(公告)号:US20230215089A1

    公开(公告)日:2023-07-06

    申请号:US18088749

    申请日:2022-12-26

    Inventor: Yan SONG

    CPC classification number: G06T17/00 G01S17/89 G06T2210/21

    Abstract: An interference point determining method is provided. The method includes: obtaining a target point cloud corresponding to a highly reflective object from a target channel; obtaining a to-be-determined point cloud at the same pixel position as the target point cloud from each channel other than the target channel based on the target point cloud; based on a distance value and a reflectivity of each to-be-determined point cloud, and distance values and reflectivities respectively corresponding, to other point clouds in a neighborhood of each to-be-determined point cloud, determining whether each to-be-determined point cloud is a suspected interference point; and based on a variance between distance values of the other point clouds in the neighborhood of one to-be-determined point cloud and the one to-be-determined point cloud, or based on an interference point range determined for the one to-be-determined point cloud, determining whether the one to-be-determined point cloud is the interference point.

    COORDINATE TRANSFORMATION CIRCUIT AND METHOD

    公开(公告)号:US20250110214A1

    公开(公告)日:2025-04-03

    申请号:US18784945

    申请日:2024-07-26

    Inventor: Yuqi LIU Yan SONG

    Abstract: This application provides a coordinate transformation circuit and method, applied in the field of LiDAR technology. The circuit includes at least one coordinate transformation module, where the coordinate transformation module includes a control module and a data processing module. The control module is connected to an optical detection module, and the data processing module is connected to the control module. The optical detection module is used to obtain the scanning coordinates and detection distance of the detection point during operation. The control module is used to receive an operation trigger signal and the scanning coordinates and detection distance of the detection point sent by the optical detection module. The control module sends the scanning coordinates and detection distance to the data processing module and controls the data processing module to determine the radar coordinates of the detection point.

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