Maritime object detection is a crucial task in the environmental perception of unmanned surface vehicles. It faces challenges such as complex backgrounds, varying object scales, and numerous small objects. To address these issues, we propose a lightweight network based on YOLOv7-tiny. Our proposed method introduces the P2 detection head with high resolution to improve small object detection, the parameter-free attention module SimAM for better object feature extraction in complex maritime backgrounds, and the CARAFE module to reduce the loss of feature information during upsampling. We conducted experiments on a self-made maritime object detection dataset, and our proposed model outperforms the original YOLOv7-tiny by 2.6% mAP@.5:.95, achieving a real-time inference speed of 101 FPS. Furthermore, our proposed model performs better than other lightweight models.


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    Title :

    A Lightweight and Efficient Network for Maritime Object Detection


    Contributors:
    Chen, Gang (author) / Sun, Shiping (author) / Li, Feng (author) / Duan, Jiaxing (author) / Zhang, Xiaogang (author)

    Published in:

    Publication date :

    2023-11-17


    Size :

    1079831 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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