Most existing autonomous UAV inspection tasks focus on environment surroundings and facilities. The UAV often navigates above the inspected target and conducts inspection with the camera aiming downward on the target. However, in some scenarios, it is risky to allow UAVs to navigate above the inspected target. For example, when patrolling a river, the UAV may risk falling into the river. Similar risks also exist for scenarios such as railways and power lines. This research proposes a lateral shot following approach for UAVs to follow the river laterally while collecting image data with a front view camera. The proposed approach has been evaluated with different segments of river in real world environments. The experiments include two types of following method and two types of viewpoint to suit different task needs. Results show that our deep neural network can extract the river masks in real-time with high accuracy. With adaptive steering adjustments, the UAV can achieve accurate and robust following when handling geographical change of river segments. Performance comparison between human operators and our developed autonomous system shows that better following accuracy and consistency can be achieved by our autonomous system.


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    Titel :

    Real-Time Vision-Based River Detection and Lateral Shot Following for Autonomous UAVs


    Beteiligte:
    Huang, Yenting (Autor:in) / Lee, Gongyi (Autor:in) / Soong, Rutai (Autor:in) / Liu, Jyishane (Autor:in)


    Erscheinungsdatum :

    2020-09-28


    Format / Umfang :

    1408699 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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