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A Unified Deep Learning Framework of Multi-scale Detectors for Geo-spatial Object Detection in High-Resolution Satellite Images

  • Research Article-Computer Engineering and Computer Science
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Abstract

Geo-spatial object detection in high-resolution satellite images has many applications in urban planning, military applications, maritime surveillance, environment control and management. Despite the success of convolutional neural networks in object detection tasks in natural images, the current deep learning models face challenges in geo-spatial object detection in satellite images due to complex background, arbitrary views and large variations in object sizes. In this paper, we propose a framework that tackles these problems in efficient and effective way. The framework consists of two stages. The first stage generates multi-scale object proposals and the second stage classifies each proposal into different classes. The first stage utilizes feature pyramid network to obtain multi-scale feature maps and then convert each level of the pyramid into an independent multi-scale proposal generator by appending multiple region proposal networks (RPNs). We define scale range for each RPN to capture different scales of the target. The multi-scale object proposals are provided as input to the detection sub-network. We evaluate proposed framework on publicly available benchmark dataset, and from the experiment results, we demonstrate that proposed framework outperformed other reference methods

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Acknowledgements

This research is supported by National University of Technology, Islamabad, Pakistan, and Umm Al-Qura University, Makkah, Saudi Arabia.

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Authors and Affiliations

  1. Department of Computer Science, National University of Technology, Islamabad, Pakistan

    Sultan Daud Khan

  2. Department of Computer Science, Umm Al-Qura University, Makkah, Saudi Arabia

    Louai Alarabi

  3. Department of Computer Engineering, Umm Al-Qura University, Makkah, Saudi Arabia

    Saleh Basalamah

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  1. Sultan Daud Khan
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  2. Louai Alarabi
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  3. Saleh Basalamah
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Correspondence to Sultan Daud Khan.

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Khan, S.D., Alarabi, L. & Basalamah, S. A Unified Deep Learning Framework of Multi-scale Detectors for Geo-spatial Object Detection in High-Resolution Satellite Images. Arab J Sci Eng 47, 9489–9504 (2022). https://doi.org/10.1007/s13369-021-06288-x

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