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One of the most relevant challenges in future 6G wireless networks is how to support a massive spatial multiplexing of a large number of user terminals. Recently, extremely large antenna arrays (ELAAs), also referred to as extra-large MIMO…

Information Theory · Computer Science 2023-12-01 Adrian Agustin , Xavier Mestre

We present a new algorithm to search for distant clusters of galaxies on catalogues deriving from imaging data, as those of the ESO Imaging Survey. Our algorithm is a matched filter one, similar to that adopted by Postman et al. (1996),…

Astrophysics · Physics 2007-05-23 C. Lobo , A. Iovino , D. Lazzati , G. Chincarini

As the dependence on satellite imaging continues to grow, modern satellites have become increasingly agile, with the new generation, namely super-agile Earth observation satellites (SAEOS), providing unprecedented imaging flexibility. The…

Systems and Control · Electrical Eng. & Systems 2026-01-22 Margarida Caleiras , Samuel Moniz , Paulo Jorge Nascimento

Monocular re-localization plays a crucial role in enabling intelligent agents to achieve human-like perception. However, traditional methods rely on dense maps, which face scalability limitations and privacy risks. OpenStreetMap (OSM), as a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Yuchen Zou , Xiao Hu , Dexing Zhong , Yuqing Tang

Recently, satellites with high temporal resolution have fostered wide attention in various practical applications. Due to limitations of bandwidth and hardware cost, however, the spatial resolution of such satellites is considerably low,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Jiaming Wang , Zhenfeng Shao , Tao Lu , Xiao Huang , Ruiqian Zhang , Yu Wang

Nowadays, Earth Observation systems provide a multitude of heterogeneous remote sensing data. How to manage such richness leveraging its complementarity is a crucial chal- lenge in modern remote sensing analysis. Data Fusion techniques deal…

Computer Vision and Pattern Recognition · Computer Science 2018-07-02 Raffaele Gaetano , Dino Ienco , Kenji Ose , Remi Cresson

AEROS aims to develop a nanosatellite as a precursor of a future system of systems, which will include assets and capabilities of both new and existing platforms operating in the Ocean and Space, equipped with state-of-the-art sensors and…

Delivering broadband connectivity to unconnected areas is extremely challenging. The emergence of Low Earth Orbit (LEO) satellite systems has been seen as a potential solution for connecting remote areas. Despite the hype around these new…

Systems and Control · Electrical Eng. & Systems 2021-08-25 Osoro B. Ogutu , Edward J. Oughton

Recent advancements in foundation models have significantly impacted various fields, including natural language processing, computer vision, and multi-modal tasks. One area that stands to benefit greatly is Earth observation, where these…

Computer Vision and Pattern Recognition · Computer Science 2024-10-21 Yohei Nakayama , Jiawei Su , Luis M. Pazos-Outón

Under the sponsorship of the European Union Horizon 2020 program, RapidAI4EO will establish the foundations for the next generation of Copernicus Land Monitoring Service (CLMS) products. The project aims to provide intensified monitoring of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-06 Giovanni Marchisio , Patrick Helber , Benjamin Bischke , Timothy Davis , Caglar Senaras , Daniele Zanaga , Ruben Van De Kerchove , Annett Wania

In multi-spectral images made by Earth observation satellites that use push-broom scanning, such as those operated by Planet Labs Corp., moving objects can be identified by the appearance of the object at a different locations in each…

Earth and Planetary Astrophysics · Physics 2024-06-21 Eric Keto , Wesley Andres Watters

The real-time detection of small objects in complex scenes, such as the unmanned aerial vehicle (UAV) photography captured by drones, has dual challenges of detecting small targets (<32 pixels) and maintaining real-time efficiency on…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Defan Chen , Yaohua Hu , Luchan Zhang

The number of low Earth orbit (LEO) satellite constellations has grown rapidly in recent years, bringing a major change to global wireless communications. As LEO satellite links take on a growing role in critical services such as emergency…

Signal Processing · Electrical Eng. & Systems 2026-03-27 Jinyoung Lee , Stefano Tomasin , Dong-Hyun Jung

Interest in the use of the low earth orbit (LEO) in space - from $160 \text{ km}$ to $2000 \text{ km}$ - has skyrocketed; this is evident by the fact that National Aeronautics and Space Administration (NASA) has partnered with various…

Signal Processing · Electrical Eng. & Systems 2025-02-11 Don-Roberts Emenonye , Harpreet S. Dhillon , R. Michael Buehrer

We present the ALTO dataset, a vision-focused dataset for the development and benchmarking of Visual Place Recognition and Localization methods for Unmanned Aerial Vehicles. The dataset is composed of two long (approximately 150km and…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Ivan Cisneros , Peng Yin , Ji Zhang , Howie Choset , Sebastian Scherer

Image hashing is a popular technique applied to large scale content-based visual retrieval due to its compact and efficient binary codes. Our work proposes a new end-to-end deep network architecture for supervised hashing which directly…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Dang-Khoa Le Tan , Thanh-Toan Do , Ngai-Man Cheung

Binary Hashing is widely used for effective approximate nearest neighbors search. Even though various binary hashing methods have been proposed, very few methods are feasible for extremely high-dimensional features often used in visual…

Computer Vision and Pattern Recognition · Computer Science 2015-01-30 Kohta Ishikawa , Ikuro Sato , Mitsuru Ambai

We present the DeepGlobe 2018 Satellite Image Understanding Challenge, which includes three public competitions for segmentation, detection, and classification tasks on satellite images. Similar to other challenges in computer vision domain…

Computer Vision and Pattern Recognition · Computer Science 2019-05-15 Ilke Demir , Krzysztof Koperski , David Lindenbaum , Guan Pang , Jing Huang , Saikat Basu , Forest Hughes , Devis Tuia , Ramesh Raskar

Nowadays, the increasing deployment of edge clouds globally provides users with low-latency services. However, connecting an edge cloud to a core cloud via optic cables in terrestrial networks poses significant barriers due to the…

Networking and Internet Architecture · Computer Science 2024-06-18 Zhiyuan Zhao , Zhe Chen , Zheng Lin , Wenjun Zhu , Kun Qiu , Chaoqun You , Yue Gao

The utility of Synthetic Aperture Radar (SAR) imagery in remote sensing and satellite image analysis is well established, offering robustness under various weather and lighting conditions. However, SAR images, characterized by their unique…

Computer Vision and Pattern Recognition · Computer Science 2024-09-25 Grant Rosario , David Noever