Faster R-CNN is a general-purpose detection algorithm that performs well in most cases. However, Faster R-CNN performs poorly on detecting small-scale UAVs. In order to improve the detection performance for small-scale UAVs, a new anchor strategy (TLCS-Anchor) which could be adopted by Faster R-CNN is proposed in this paper. Firstly, the anchor templates are designed to be suitable for the UAV dataset by using the clustering method so that the aspect ratios and scales for anchors are more targeted to UAVs. Then, a new compensation strategy of anchors is proposed to help detect small-scale UAVs in this paper, which could not only improve the number of anchors matched with the UAVs, but also alleviate the problem that small-scale UAVs can’t match with enough anchors to some extent. Experimental results show that TLCS-Anchor can help improve the detection performance for UAVs, especially for small-scale UAVs. In theory, TLCS-Anchor can also be used to detect other small-scale targets.


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    Title :

    TLCS-Anchor: a new anchor strategy for detecting small-scale unmanned aerial vehicle


    Contributors:
    Xiong, Tao (author) / Hu, Jing (author) / Lu, Xinxin (author) / Jiang, Kan (author) / Li, Xiangjun (author)

    Conference:

    MIPPR 2019: Pattern Recognition and Computer Vision ; 2019 ; Wuhan,China


    Published in:

    Proc. SPIE ; 11430


    Publication date :

    2020-02-14





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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