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HRSiam: High-Resolution Siamese Network, Towards Space-Borne Satellite Video Tracking.

Jia Shao, Bo Du, Chen Wu

    IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society
    |February 8, 2021
    PubMed
    Summary

    This study introduces a novel high-resolution Siamese network (HRSiam) for tracking small, moving objects in satellite videos. HRSiam enhances precision and real-time performance, overcoming challenges like low resolution and occlusion.

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    Area of Science:

    • Computer Vision
    • Remote Sensing
    • Artificial Intelligence

    Background:

    • Tracking small objects in satellite videos is challenging due to limited pixels, appearance variations, and occlusion.
    • Existing methods often use low-resolution features and neglect inter-frame motion information, hindering accurate localization.

    Purpose of the Study:

    • To develop a lightweight, high-resolution network for precise and real-time small object tracking in satellite imagery.
    • To improve tracking robustness against occlusion and illumination variations using a pixel-level refining model.

    Main Methods:

    • Designed a lightweight parallel network with high spatial resolution for small object localization.
    • Integrated a pixel-level refining model using online moving object detection and adaptive fusion.
    • Applied the architecture to Siamese Trackers for enhanced performance.

    Main Results:

    • The proposed HIGH-RESOLUTION SIAMESE NETWORK (HRSiam) achieves state-of-the-art tracking performance on real satellite video datasets.
    • The network demonstrates real-time processing capabilities, running at over 30 frames per second.
    • The pixel-level refining model significantly enhances tracking robustness.

    Conclusions:

    • HRSiam effectively addresses the challenges of small object tracking in satellite videos.
    • The proposed method offers a robust and efficient solution for real-time satellite video analysis.
    • This work advances the capabilities of object tracking in remote sensing applications.