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- W4287635175 abstract "The paper presents a method for audio-based vehicle counting (VC) in low-to-moderate traffic using one-channel sound. We formulate VC as a regression problem, i.e., we predict the distance between a vehicle and the microphone. Minima of the proposed distance function correspond to vehicles passing by the microphone. VC is carried out via local minima detection in the predicted distance. We propose to set the minima detection threshold at a point where the probabilities of false positives and false negatives coincide so they statistically cancel each other in total vehicle number. The method is trained and tested on a traffic-monitoring dataset comprising $422$ short, $20$-second one-channel sound files with a total of $ 1421 $ vehicles passing by the microphone. Relative VC error in a traffic location not used in the training is below $ 2 %$ within a wide range of detection threshold values. Experimental results show that the regression accuracy in noisy environments is improved by introducing a novel high-frequency power feature." @default.
- W4287635175 created "2022-07-25" @default.
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- W4287635175 date "2020-10-22" @default.
- W4287635175 modified "2023-10-17" @default.
- W4287635175 title "Robust Audio-Based Vehicle Counting in Low-to-Moderate Traffic Flow" @default.
- W4287635175 doi "https://doi.org/10.48550/arxiv.2010.11716" @default.
- W4287635175 hasPublicationYear "2020" @default.
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