The invention provides a parking space state detection method and system. The method comprises the steps of: judging whether a vortex light beam sent by an emission subsystem is received or not, wherein the topological charge value of the vortex light beam corresponds to the number of the parking space; if the vortex light beam is received, detecting a topological charge value of the vortex lightbeam; and determining that a target parking space is in an idle state according to the topological charge value of the vortex beam, wherein the number of the target parking space is the topological charge value of the vortex beam. According to the parking space state detection method and system provided by the invention, the vortex light beam is used for detecting the state of the parking space, external interference can be avoided, and the accuracy of a detection result is improved.

    本发明提供一种停车位状态检测方法及系统,所述方法包括:判断是否接受到发射子系统发送的涡旋光束;涡旋光束的拓扑荷值对应停车位的编号;若接收到所述涡旋光束,则检测所述涡旋光束的拓扑荷值;根据所述涡旋光束的拓扑荷值确定目标停车位处于空闲状态;所述目标停车位的编号为所述涡旋光束的拓扑荷值。本发明提供的一种停车位状态检测方法及系统,利用涡旋光束检测停车位状态,能够避免外界干扰,提高了检测结果的准确性。


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    Title :

    Parking space state detection method and system


    Additional title:

    停车位状态检测方法及系统


    Contributors:
    LI FANG (author) / WANG JIAN (author) / LIU HUI (author)

    Publication date :

    2021-02-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G01J Messen der Intensität, der Geschwindigkeit, der spektralen Zusammensetzung, der Polarisation, der Phase oder der Pulscharakteristik von infrarotem, sichtbarem oder ultraviolettem Licht , MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT



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