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The amount of data generated by Earth observation satellites can be enormous, which poses a great challenge to the satellite-to-ground connections with limited rate. This paper considers problem of efficient downlink communication of…

信号处理 · 电气工程与系统科学 2023-11-28 Van-Phuc Bui , Thinh Q. Dinh , Israel Leyva-Mayorga , Shashi Raj Pandey , Eva Lagunas , Petar Popovski

With the rapidly increasing number of satellites in space and their enhanced capabilities, the amount of earth observation images collected by satellites is exceeding the transmission limits of satellite-to-ground links. Although existing…

图像与视频处理 · 电气工程与系统科学 2024-11-12 Ziyuan Zhang , Han Qiu , Maosen Zhang , Jun Liu , Bin Chen , Tianwei Zhang , Hewu Li

Change detection from satellite images typically incurs a delay ranging from several hours up to days because of latency in downlinking the acquired images and generating orthorectified image products at the ground stations; this may…

计算机视觉与模式识别 · 计算机科学 2025-07-22 Gabriele Inzerillo , Diego Valsesia , Aniello Fiengo , Enrico Magli

Advancements in technology and reduction in it's cost have led to a substantial growth in the quality & quantity of imagery captured by Earth Observation (EO) satellites. This has presented a challenge to the efficacy of the traditional…

机器学习 · 计算机科学 2025-01-22 Aidan Duggan , Bruno Andrade , Haithem Afli

Low-latency delivery of satellite imagery is essential for time-critical applications such as disaster response, intelligence, and infrastructure monitoring. However, traditional pipelines rely on downlinking all captured images before…

机器学习 · 计算机科学 2026-04-21 Ansel Kaplan Erol , Seungjun Lee , Divya Mahajan

Nanosatellite constellations equipped with sensors capturing large geographic regions provide unprecedented opportunities for Earth observation. As constellation sizes increase, network contention poses a downlink bottleneck. Orbital Edge…

The rapid growth of data from satellite-based Earth observation (EO) systems poses significant challenges in data transmission and storage. We evaluate the potential of task-specific learned compression algorithms in this context to reduce…

计算机视觉与模式识别 · 计算机科学 2025-12-02 Christian Mollière , Iker Cumplido , Marco Zeulner , Lukas Liesenhoff , Matthias Schubert , Julia Gottfriedsen

The synthetic aperture radar (SAR) technology enables satellites to efficiently acquire high quality images of the Earth surface. This generates significant communication traffic from the satellite to the ground stations, and, thus, image…

最优化与控制 · 数学 2015-02-17 Daniel Karapetyan , Snezana Mitrovic-Minic , Krishna T. Malladi , Abraham P. Punnen

Uplink pre-compensation in ground-to-satellite optical links remains a problem, with an appropriate measurement of the wavefront error in the uplink path often not being available. We present a method that uses successive measurements of…

仪器与探测器 · 物理学 2025-09-12 Alex Frost , Nicolas Maron , Shane Walsh , Benjamin Dix-Matthews , Sascha Schediwy , Michael Hart

The immense volume of data generated by Earth observation (EO) satellites presents significant challenges in transmitting it to Earth over rate-limited satellite-to-ground communication links. This paper presents an efficient downlink…

信号处理 · 电气工程与系统科学 2024-12-17 Van-Phuc Bui , Shashi Raj Pandey , Israel Leyva-Mayorga , Petar Popovski

Despite being an integral part of the vision of quantum Internet, Earth-to-satellite (uplink) quantum communications have been considered more challenging than their satellite-to-Earth (downlink) counterparts due to the severe channel-loss…

量子物理 · 物理学 2025-12-15 Ziqing Wang , Timothy C. Ralph , Ryan Aguinaldo , Robert Malaney

Nanosatellites are proliferating as low-cost dedicated sensing systems with lean development cycles. Kyushu Institute of Technology and collaborators have launched a joint venture for a nanosatellite mission, VERTECS. The primary mission is…

天体物理仪器与方法 · 物理学 2024-08-28 Keenan A. A. Chatar , Ezra Fielding , Kei Sano , Kentaro Kitamura

As the important component of the Earth observation system, hyperspectral imaging satellites provide high-fidelity and enriched information for the formulation of related policies due to the powerful spectral measurement capabilities.…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Li Fang , Tianyu Li , Yanghong Lin , Shudong Zhou , Wei Yao

Recent advances in deep-learning based methods for image matching have demonstrated their superiority over traditional algorithms, enabling correspondence estimation in challenging scenes with significant differences in viewing angles,…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Rahul Deshmukh , Avinash Kak

Earth observation (EO) plays a crucial role in creating and sustaining a resilient and prosperous society that has far reaching consequences for all life and the planet itself. Remote sensing platforms like satellites, airborne platforms,…

图像与视频处理 · 电气工程与系统科学 2024-12-09 Protim Bhattacharjee , PEter Jung

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.…

信息论 · 计算机科学 2024-12-02 Chang-Sik Choi

Accurately maintaining digital street maps is labor-intensive. To address this challenge, much work has studied automatically processing geospatial data sources such as GPS trajectories and satellite images to reduce the cost of maintaining…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Favyen Bastani , Songtao He , Satvat Jagwani , Mohammad Alizadeh , Hari Balakrishnan , Sanjay Chawla , Sam Madden , Mohammad Amin Sadeghi

Modern Earth Observation (EO) missions generate massive volumes of imagery that challenge existing downlink and ground-processing capabilities, particularly for time-critical applications. This work investigates how a low Earth orbit (LEO)…

Aerial and satellite imagery are inherently complementary remote sensing sources, offering high-resolution detail alongside expansive spatial coverage. However, the use of these sources for land cover segmentation introduces several…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Anas Berka , Mohamed El Hajji , Raphael Canals , Youssef Es-saady , Adel Hafiane

Artificial Intelligence (AI) has the potential to revolutionize space exploration by delegating several spacecraft decisions to an onboard AI instead of relying on ground control and predefined procedures. It is likely that there will be an…

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