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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/118864


    Title: A Distributed Barrier Coverage Mechanism for Supporting Full View in Wireless Visual Sensor Networks
    Authors: Pei Xu;I-Hsiung Chang;Chih-Yung Chang;Bhargavi Dande;Chih-Yao Hsiao
    Keywords: Visualization;Wireless sensor networks;Sensors;Monitoring;Wireless communication;Computational complexity;Licenses
    Date: 2019-10-14
    Issue Date: 2020-07-07 12:10:13 (UTC+8)
    Abstract: Barrier coverage is one of the most important issues in intruder detection applications. Visual
    sensors can give more accurate information of intruder but also raise the problem of large data volume
    for information exchange and processing. Constructing a disjoint full-view barrier using minimal number
    of visual sensors has been the main goal for handling the barrier coverage problem. This paper presents a
    decentralized FBCA mechanism which consists of Region Partitioning Phase, Grid Excluding Phase, Grid
    Verification Phase and Full-View Barrier Construction Phase. In Region Partitioning Phase, the given R
    is partitioned into a set of equal-sized grids, aiming to simplify the construction problem of the full-view
    barrier. In Grid Excluding Phase, a certain amount of grids is removed, aiming to reduce the computational
    complexity. In Grid Verification Phase, each visual sensor aims to check if its neighboring grids satisfy the
    full-view coverage criteria. Finally, the Full-View Barrier Construction Phase aims to construct as many as
    possible full-view barriers. Experimental study shows that the proposed FBCA outperforms existing work SP,
    and likely approaches to the optimal solution (MCSPS) in terms of the average success ratio for constructing
    a full-view barrier.
    Relation: IEEE Access 7, p.156895-156906
    DOI: 10.1109/ACCESS.2019.2947262
    Appears in Collections:[Department of Artificial Intelligence] Journal Article

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