天空地一体化网络中溢油SAR图像检测的分级调度

IF 7.1 2区 计算机科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Seok Bin Son;Soohyun Park
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引用次数: 0

摘要

石油泄漏是海洋生态系统的重大环境危害,需要快速准确的检测和响应机制。合成孔径雷达(SAR)以其优异的性能,成为海洋环境远程监测的重要工具。然而,低地球轨道(LEO)卫星与地面站(GS)之间的通信时间以及有限的缓冲器等操作限制带来了挑战。为了解决这些问题,本文提出了一个由LEO卫星、高空平台(HAPs)和地面站(GSs)组成的空间-空气-地面一体化网络(SAGIN)方案,适用于使用SAR图像快速准确地检测溢油。此外,提出了一种新的三步算法,有效地促进了SAR图像的传输。该算法的第一步侧重于最大限度地将海洋SAR图像从LEO卫星传输到HAPs。该优化涉及基于神经Myerson拍卖(NMA)的调度程序,这是一种二级价格拍卖机制,采用深度学习方法实现真实性、分布式计算和低计算复杂性。此外,有效的通信系统设计还考虑了路径损耗。第二步算法采用基于马尔可夫决策过程(MDP)的调度策略,以最大限度地提高从HAPs到gps的数据传输效率。考虑到每个GS的吞吐量和信息的年龄(AoI)比率,该算法可以在时间步长上实现最优决策。最后,在GSs上采用基于Lyapunov优化的图像压缩率控制算法,在保证队列稳定性的同时提高检测精度。将该算法的性能与各种基准算法进行了比较,证明了该算法在溢油检测方面的优越性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hierarchical Scheduling for Oil Spill SAR Image Detection in Space-Air-Ground Integrated Networks
Oil spills represent significant environmental hazards in ocean ecosystems, requiring rapid and accurate detection and response mechanisms. Due to its efficacy, synthetic aperture radar (SAR) is an important tool for remote monitoring of ocean environments. However, operational constraints such as communication time between low Earth orbit (LEO) satellites and ground stations (GS), as well as finite buffers, pose challenges. To address these issues, this paper proposes a space-air-ground-integrated network (SAGIN) scenario comprising LEO satellites, high altitude platforms (HAPs), and ground stations (GSs), suitable for rapid and accurate oil spill detection using SAR images. In addition, a novel three-step algorithm is proposed to facilitate SAR image transmission effectively. The first step of the proposed algorithm focuses on maximizing the transmission of ocean SAR images from the LEO satellites to the HAPs. This optimization involves the neural Myerson auction (NMA)-based scheduler, a second-price auction mechanism with deep learning methodologies for truthfulness, distributed computation, and low computational complexity. In addition, the pathloss is also considered for effective communication system design. The second step algorithm aims to maximize data transmission efficiency from HAPs to GSs, employing scheduling strategies based on the Markov decision process (MDP). This algorithm enables optimal decision-making over time steps, considering the throughput of each GS and the age of the information (AoI) ratio. Finally, an image compression rate control algorithm based on Lyapunov optimization is employed at the GSs to enhance detection accuracy while ensuring queue stability. The performance of the proposed three-step algorithm is intensively evaluated against various benchmark algorithms, demonstrating its superiority in oil spill detection efficacy.
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来源期刊
CiteScore
6.00
自引率
8.80%
发文量
1245
审稿时长
6.3 months
期刊介绍: The scope of the Transactions is threefold (which was approved by the IEEE Periodicals Committee in 1967) and is published on the journal website as follows: Communications: The use of mobile radio on land, sea, and air, including cellular radio, two-way radio, and one-way radio, with applications to dispatch and control vehicles, mobile radiotelephone, radio paging, and status monitoring and reporting. Related areas include spectrum usage, component radio equipment such as cavities and antennas, compute control for radio systems, digital modulation and transmission techniques, mobile radio circuit design, radio propagation for vehicular communications, effects of ignition noise and radio frequency interference, and consideration of the vehicle as part of the radio operating environment. Transportation Systems: The use of electronic technology for the control of ground transportation systems including, but not limited to, traffic aid systems; traffic control systems; automatic vehicle identification, location, and monitoring systems; automated transport systems, with single and multiple vehicle control; and moving walkways or people-movers. Vehicular Electronics: The use of electronic or electrical components and systems for control, propulsion, or auxiliary functions, including but not limited to, electronic controls for engineer, drive train, convenience, safety, and other vehicle systems; sensors, actuators, and microprocessors for onboard use; electronic fuel control systems; vehicle electrical components and systems collision avoidance systems; electromagnetic compatibility in the vehicle environment; and electric vehicles and controls.
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