The risk of death and injury from traffic crashes has been universally recognized as one of the most serious threats to sustainable development. Among all the factors in traffic crashes, aggressive driving in which the driver usually makes excessive lane changes to overtake other vehicles is prevalent. As such, monitoring lane changes and providing real-time warnings is beneficial for improving transportation sustainability. This article presents BackWatch, a novel vehicle-mounted sensing system that uses a back view cabin camera monitoring the steering wheel rotations to track lane-change events. BackWatch consists of an encoder network to extract essential visual features of steering wheel rotations, and an inference network incorporating the visual and GPS speed features to recognize the resulting lane changes. Our system does not rely on precise coordinate alignment between the monitoring device and the vehicle, nor the wearables worn by the driver, and is robust against different drivers, vehicles, driving speeds, and environmental settings. We evaluate the system based on 16 hours of real-world on-road driving data collected from three pairs of cars and drivers under different traffic and environmental conditions. The results show that BackWatch achieves 0.952 of precision and 0.981 of recall on the detection of lane changes.


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    Title :

    Toward Sustainable Transportation: Robust Lane-Change Monitoring With a Single Back View Cabin Camera


    Contributors:
    Xia, Ming (author) / Lin, Junjie (author) / Ying, Linghao (author) / Sun, Jian (author) / Chi, Kaikai (author) / Gao, Kun (author) / Yu, Keping (author)

    Published in:

    Publication date :

    2023-12-01


    Size :

    3281366 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



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