In order to address the problems of high cost, inconvenient installation and susceptibility to weather conditions of existing vehicle speed measurement methods, this paper presents a novel differential beamforming-based vehicle speed measurement method, which applies differential microphone array beamforming techniques for vehicle speed measurement with better robustness in real-world environments. To evaluate the performance of the method on vehicle speed estimation, we conducted field experiments. The experimental results show that the method proposed in this paper has a lower cost of implementation and reduced computational complexity. Our algorithm produced better accuracy and performance in vehicle speed measurement (VSM).


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    Title :

    Research on vehicle speed estimation method based on microphone array


    Contributors:
    Xu, Zijun (author) / Zhao, Zhao (author) / Sowah, Edmund (author)

    Conference:

    International Conference on Smart Transportation and City Engineering 2021 ; 2021 ; Chongqing,China


    Published in:

    Proc. SPIE ; 12050


    Publication date :

    2021-11-10





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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