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10 November 2021 Research on vehicle speed estimation method based on microphone array
Zijun Xu, Zhao Zhao, Edmund Sowah
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Proceedings Volume 12050, International Conference on Smart Transportation and City Engineering 2021; 120500H (2021) https://doi.org/10.1117/12.2613740
Event: 2021 International Conference on Smart Transportation and City Engineering, 2021, Chongqing, China
Abstract
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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Zijun Xu, Zhao Zhao, and Edmund Sowah "Research on vehicle speed estimation method based on microphone array", Proc. SPIE 12050, International Conference on Smart Transportation and City Engineering 2021, 120500H (10 November 2021); https://doi.org/10.1117/12.2613740
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KEYWORDS
Acoustics
Roads
Signal processing
Signal detection
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