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The absorption of light by molecules in the atmosphere of Earth is a complication for ground-based observations of astrophysical objects. Comprehensive information on various molecular species is required to correct for this so called…

Instrumentation and Methods for Astrophysics · Physics 2021-11-18 Rune D. Kjærsgaard , Aaron Bello-Arufe , Alexander D. Rathcke , Lars A. Buchhave , Line K. H. Clemmensen

CT images corrupted by metal artifacts have serious negative effects on clinical diagnosis. Considering the difficulty of collecting paired data with ground truth in clinical settings, unsupervised methods for metal artifact reduction are…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Wangduo Xie , Matthew B. Blaschko

Earth observation machine learning pipelines differ fundamentally from standard computer vision workflows. Imagery is typically delivered as large, georeferenced scenes, labels may be raster masks or vector geometries in distinct coordinate…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Caleb Robinson , Nils Lehmann , Adam J. Stewart , Burak Ekim , Heng Fang , Isaac A. Corley , Mauricio Cordeiro

Land cover classification and change detection are two important applications of remote sensing and Earth observation (EO) that have benefited greatly from the advances of deep learning. Convolutional and transformer-based U-net models are…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Martin Willbo , Aleksis Pirinen , John Martinsson , Edvin Listo Zec , Olof Mogren , Mikael Nilsson

This paper describes a new method of data encoding which may be used in various modern digital, computer and telecommunication systems and devices. The method permits the compression of data for storage or transmission, allowing the exact…

Information Theory · Computer Science 2012-01-27 Igor Nesiolovskiy , Artem Nesiolovskiy

Earth Observation (EO) data analysis is vital for monitoring environmental and human dynamics. Recent Multimodal Large Language Models (MLLMs) show potential in EO understanding but remain restricted to single-sensor inputs, overlooking the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Yan Shu , Bin Ren , Zhitong Xiong , Danda Pani Paudel , Luc Van Gool , Begüm Demir , Nicu Sebe , Paolo Rota

Precipitation nowcasting, predicting future radar echo sequences from current observations, is a critical yet challenging task due to the inherently chaotic and tightly coupled spatio-temporal dynamics of the atmosphere. While recent…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Thao Nguyen , Jiaqi Ma , Fahad Shahbaz Khan , Souhaib Ben Taieb , Salman Khan

Satellite-based remote sensing is instrumental in the monitoring and mitigation of the effects of anthropogenic climate change. Large scale, high resolution data derived from these sensors can be used to inform intervention and policy…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Matt Allen , Francisco Dorr , Joseph A. Gallego-Mejia , Laura Martínez-Ferrer , Anna Jungbluth , Freddie Kalaitzis , Raúl Ramos-Pollán

We consider a monitoring application where sensors periodically report data to a common receiver in a time division multiplex fashion. The sensors are constrained by the limited and unpredictable energy availability provided by Energy…

Information Theory · Computer Science 2017-06-29 Chiara Pielli , Cedomir Stefanovic , Petar Popovski , Michele Zorzi

Remote sensing and automatic earth monitoring are key to solve global-scale challenges such as disaster prevention, land use monitoring, or tackling climate change. Although there exist vast amounts of remote sensing data, most of it…

Computer Vision and Pattern Recognition · Computer Science 2021-05-04 Oscar Mañas , Alexandre Lacoste , Xavier Giro-i-Nieto , David Vazquez , Pau Rodriguez

In the past years, learned image compression (LIC) has achieved remarkable performance. The recent LIC methods outperform VVC in both PSNR and MS-SSIM. However, the low bit-rate reconstructions of LIC suffer from artifacts such as blurring,…

Image and Video Processing · Electrical Eng. & Systems 2022-05-31 Dailan He , Ziming Yang , Hongjiu Yu , Tongda Xu , Jixiang Luo , Yuan Chen , Chenjian Gao , Xinjie Shi , Hongwei Qin , Yan Wang

The rapid evolution of satellite-borne Earth Observation (EO) systems has revolutionized terrestrial monitoring, yielding petabyte-scale archives. However, the immense computational and storage requirements for global-scale analysis often…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Shuang Chen , Jie Wang , Shuai Yuan , Jiayang Li , Yu Xia , Yuanhong Liao , Junbo Wei , Jincheng Yuan , Xiaoqing Xu , Xiaolin Zhu , Peng Zhu , Hongsheng Zhang , Yuyu Zhou , Haohuan Fu , Huabing Huang , Bin Chen , Fan Dai , Peng Gong

It remains a significant challenge to compress images at extremely low bitrate while achieving both semantic consistency and high perceptual quality. Inspired by human progressive perception mechanism, we propose a Semantically Disentangled…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Juan Song , Lijie Yang , Mingtao Feng

The emergence of Neural Radiance Fields (NeRF) has greatly impacted 3D scene modeling and novel-view synthesis. As a kind of visual media for 3D scene representation, compression with high rate-distortion performance is an eternal target.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Sicheng Li , Hao Li , Yiyi Liao , Lu Yu

The use of remote vision sensors for autonomous decision-making poses the challenge of transmitting high-volume visual data over resource-constrained channels in real-time. In robotics and control applications, many systems can quickly…

Information Theory · Computer Science 2026-02-04 Ronald Ogden , David Fridovich-Keil , Takashi Tanaka

The rapid advancement of artificial intelligence (AI) in weather research has been driven by the ability to learn from large, high-dimensional datasets. However, this progress also poses significant challenges, particularly regarding the…

Machine Learning · Computer Science 2024-10-15 Qian Liu , Bing Gong , Xiaoran Zhuang , Xiaohui Zhong , Zhiming Kang , Hao Li

Although deep learning based image compression methods have achieved promising progress these days, the performance of these methods still cannot match the latest compression standard Versatile Video Coding (VVC). Most of the recent…

Image and Video Processing · Electrical Eng. & Systems 2021-08-29 Yueqi Xie , Ka Leong Cheng , Qifeng Chen

Existing time series tokenization methods predominantly encode a constant number of samples into individual tokens. This inflexible approach can generate excessive tokens for even simple patterns like extended constant values, resulting in…

Machine Learning · Computer Science 2026-01-29 Leon Götz , Marcel Kollovieh , Stephan Günnemann , Leo Schwinn

Earth Observation (EO) Foundation Modelling (FM) holds great promise for simplifying and improving the use of EO data for diverse real-world tasks. However, most existing models require additional adaptation before they can be used and are…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Samuel J. Barrett , Docko Sow

Existing visual token compression methods for Multimodal Large Language Models (MLLMs) predominantly operate as post-encoder modules, limiting their potential for efficiency gains. To address this limitation, we propose LaCo (Layer-wise…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Juntao Liu , Liqiang Niu , Wenchao Chen , Jie Zhou , Fandong Meng