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Object tracking in satellite videos remains a complex endeavor in remote sensing due to the intricate and dynamic nature of satellite imagery. Existing state-of-the-art trackers in computer vision integrate sophisticated architectures,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Athena Psalta , Vasileios Tsironis , Andreas El Saer , Konstantinos Karantzalos

Widely-deployed encryption-based security prevents unauthorized decoding, but does not ensure undetectability of communication. However, covert, or low probability of detection/intercept (LPD/LPI) communication is crucial in many scenarios…

Information Theory · Computer Science 2015-06-02 Boulat A. Bash , Dennis Goeckel , Saikat Guha , Don Towsley

Chaotic behavior arises from very simple non-linear dynamical equation of logistic map which makes it was used often in designing chaotic image encryption schemes. However, some properties of chaotic maps can also facilitate cryptanalysis…

Cryptography and Security · Computer Science 2016-10-14 Chengqing Li , Tao Xie , Qi Liu , Ge Cheng

A mega-constellation of low-earth orbit (LEO) satellites has the potential to enable long-range communication with low latency. Integrating this with burgeoning unmanned aerial vehicle (UAV) assisted non-terrestrial networks will be a…

Networking and Internet Architecture · Computer Science 2020-05-27 Ju-Hyung Lee , Jihong Park , Mehdi Bennis , Young-Chai Ko

Low Earth Orbit satellite Internet has recently been deployed, providing worldwide service with non-terrestrial networks. With the large-scale deployment of both non-terrestrial and terrestrial networks, limited spectrum resources will not…

Networking and Internet Architecture · Computer Science 2024-05-27 Haoxuan Yuan , Zhe Chen , Zheng Lin , Jinbo Peng , Zihan Fang , Yuhang Zhong , Zihang Song , Yue Gao

Emerging satellite Internet constellations such as SpaceX's Starlink will deploy thousands of broadband satellites and construct Low-Earth Orbit(LEO) satellite networks(LSNs) in space, significantly expanding the boundaries of today's…

Networking and Internet Architecture · Computer Science 2024-12-24 Chenwei Gu , Qian Wu , Zeqi Lai , Hewu Li , Jihao Li , Weisen Liu , Qi Zhang , Jun Liu , Yuanjie Li

Although a significant number satellites are deemed essential for facilitating diverse applications of satellite networks, aerial platforms are emerging as excellent alternatives for enabling reliable communications with fewer satellites.…

Information Theory · Computer Science 2024-12-02 Chang-Sik Choi

The security of bio-metric information - finger print, retina mapping, DNA mapping and some other chemical and biological modified genes related information - transfer through low bandwidth and unreliable or covert channel is challenging…

Cryptography and Security · Computer Science 2011-03-18 Raju Singh , A. K. Vatsa

Offering space-based Internet services with mega-constellations of low Earth orbit (LEO) satellites is a promising solution to connecting the unconnected. It can complement the coverage of terrestrial networks to help bridge the digital…

Networking and Internet Architecture · Computer Science 2021-08-18 Xingqin Lin , Stefan Cioni , Gilles Charbit , Nicolas Chuberre , Sven Hellsten , Jean-Francois Boutillon

Caching is crucial in hybrid satellite-terrestrial networks to reduce latency, optimize throughput, and improve data availability by storing frequently accessed content closer to users, especially in bandwidth-limited satellite systems,…

Signal Processing · Electrical Eng. & Systems 2025-10-07 Zhou Zhang , Yizhu Wang , Saman Atapattu , Sumei Sun

Academia, governments, and industry around the world are on a quest to build long-distance quantum communication networks for a future quantum internet. Using air and fiber channels, quantum communication quickly faced the daunting…

Satellite-based quantum communications represent a critical advancement in the pursuit of secure, global-scale quantum networks. Leveraging the principles of quantum mechanics, these systems offer unparalleled security through Quantum Key…

The growing density of satellites in low-Earth orbit (LEO) presents serious challenges to space sustainability, primarily due to the increased risk of in-orbit collisions. Traditional ground-based tracking systems are constrained by latency…

Image and Video Processing · Electrical Eng. & Systems 2025-08-04 Peng Hu , Wenxuan Zhang

Spatiotemporal chaos of a two-dimensional one-way coupled map lattice is used for chaotic cryptography. The chaotic outputs of many space units are used for encryption simultaneously. This system shows satisfactory cryptographic properties…

Chaotic Dynamics · Physics 2018-01-17 Shihong Wang , Weiping Ye , Huaping Lu , Jinyu Kuang , Jinghua Li , Yunlun Luo , Gang Hu

In the era of Industrial IoT (IIoT) and Industry 4.0, ensuring secure data transmission has become a critical concern. Among other data types, images are widely transmitted and utilized across various IIoT applications, ranging from…

Cryptography and Security · Computer Science 2023-09-21 Hassan Ali , Muhammad Shahbaz Khan , Maha Driss , Jawad Ahmad , William J. Buchanan , Nikolaos Pitropakis

This paper studies secure video streaming in cache-enabled small cell networks, where some of the cache-enabled small cell base stations (BSs) helping in video delivery are untrusted. Unfavorably, caching improves the eavesdropping…

Information Theory · Computer Science 2018-01-30 Lin Xiang , Derrick Wing Kwan Ng , Robert Schober , Vincent W. S. Wong

We address the applicability of quantum key distribution with continuous-variable coherent and squeezed states over long-distance satellite-based links, considering low Earth orbits and taking into account strong varying channel…

Quantum Physics · Physics 2021-01-25 Ivan Derkach , Vladyslav C Usenko

Multimedia data security is becoming important with the continuous increase of digital communications on internet. The encryption algorithms developed to secure text data are not suitable for multimedia application because of the large data…

Cryptography and Security · Computer Science 2011-04-06 Jolly Shah , Dr. Vikas Saxena

In satellite constellation-based communication systems, continuous user coverage requires frequent handoffs due to the dynamic topology induced by the Low Earth Orbit (LEO) satellites. Each handoff between a satellite and ground users…

Information Theory · Computer Science 2025-11-26 Yassine Afif , Mohammed Almekhlafi , Antoine Lesage-Landry , Gunes Karabulut Kurt

Cooperative positioning with multiple low earth orbit (LEO) satellites is promising in providing location-based services and enhancing satellite-terrestrial communication. However, positioning accuracy is greatly affected by inter-beam…

Information Theory · Computer Science 2024-04-02 Hongtao Xv , Yaohua Sun , Yafei Zhao , Mugen Peng , Shijie Zhang