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Human vision achieves remarkable perceptual performance while operating under strict metabolic constraints. A key ingredient is the selective attention mechanism, driven by rapid saccadic eye movements that constantly reposition the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-12 Matthis Dallain , Laurent Rodriguez , Laurent Udo Perrinet , Benoît Miramond

Spatial trajectories are ubiquitous and complex signals. Their analysis is crucial in many research fields, from urban planning to neuroscience. Several approaches have been proposed to cluster trajectories. They rely on hand-crafted…

Machine Learning · Computer Science 2020-05-08 Hippolyte Dubois , Patrick Le Callet , Michael Hornberger , Hugo J. Spiers , Antoine Coutrot

We provide a large image parameter dataset extracted from the Solar Dynamics Observatory (SDO) mission's AIA instrument, for the period of January 2011 through the current date, with the cadence of six minutes, for nine wavelength channels.…

Solar and Stellar Astrophysics · Physics 2019-07-31 Azim Ahmadzadeh , Dustin J. Kempton , Rafal A. Angryk

The solar-stellar connection provides a unique framework for understanding magnetic activity and atmospheric heating across a broad spectrum of stars. Solar Dynamics Observatory (SDO) of NASA, equipped with the Helioseismic and Magnetic…

Solar and Stellar Astrophysics · Physics 2026-02-20 Shin Toriumi

With the rapid development of image generation technologies, especially the advancement of Diffusion Models, the quality of synthesized images has significantly improved, raising concerns among researchers about information security. To…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Weinan Guan , Wei Wang , Bo Peng , Ziwen He , Jing Dong , Haonan Cheng

We propose a deep learning system for attention-guided dual-layer image compression (AGDL). In the AGDL compression system, an image is encoded into two layers, a base layer and an attention-guided refinement layer. Unlike the existing ROI…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Xi Zhang , Xiaolin Wu

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…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Christian Mollière , Iker Cumplido , Marco Zeulner , Lukas Liesenhoff , Matthias Schubert , Julia Gottfriedsen

The volume of data being collected in solar physics has exponentially increased over the past decade and with the introduction of the $\textit{Daniel K. Inouye Solar Telescope}$ (DKIST) we will be entering the age of petabyte solar data.…

Solar and Stellar Astrophysics · Physics 2019-07-10 John A. Armstrong , Lyndsay Fletcher

Artificial neural networks (ANNs) can help camera-based remote photoplethysmography (rPPG) in measuring cardiac activity and physiological signals from facial videos, such as pulse wave, heart rate and respiration rate with better accuracy.…

Computer Vision and Pattern Recognition · Computer Science 2025-01-06 Mingxuan Liu , Jiankai Tang , Yongli Chen , Haoxiang Li , Jiahao Qi , Siwei Li , Kegang Wang , Jie Gan , Yuntao Wang , Hong Chen

High-fidelity compression of multispectral solar imagery remains challenging for space missions, where limited bandwidth must be balanced against preserving fine spectral and spatial details. We present a learned image compression framework…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Prasiddha Siwakoti , Atefeh Khoshkhahtinat , Piyush M. Mehta , Barbara J. Thompson , Michael S. F. Kirk , Daniel da Silva

As well known, the huge memory and compute costs of both artificial neural networks (ANNs) and spiking neural networks (SNNs) greatly hinder their deployment on edge devices with high efficiency. Model compression has been proposed as a…

Neural and Evolutionary Computing · Computer Science 2020-08-21 Lei Deng , Yujie Wu , Yifan Hu , Ling Liang , Guoqi Li , Xing Hu , Yufei Ding , Peng Li , Yuan Xie

Over the past years, the ever-growing trend on data storage demand, more specifically for "cold" data (rarely accessed data), has motivated research for alternative systems of data storage. Because of its biochemical characteristics,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-23 Xavier Pic , Eva Gil San Antonio , Melpomeni Dimopoulou , Marc Antonini

Spiking neural network (SNN) is a brain-inspired model which has more spatio-temporal information processing capacity and computational energy efficiency. However, with the increasing depth of SNNs, the memory problem caused by the weights…

Neural and Evolutionary Computing · Computer Science 2022-08-02 Changqing Xu , Yijian Pei , Zili Wu , Yi Liu , Yintang Yang

Compressed Sensing (CS) theory simultaneously realizes the signal sampling and compression process, and can use fewer observations to achieve accurate signal recovery, providing a solution for better and faster transmission of massive data.…

Signal Processing · Electrical Eng. & Systems 2021-06-25 Guanxiong Nie , Yajian Zhou

In order to assure a stable series of recorded images of sufficient quality for further scientific analysis, an objective image quality measure is required. Especially when dealing with ground-based observations, which are subject to…

Solar and Stellar Astrophysics · Physics 2020-11-11 Robert Jarolim , Astrid Veronig , Werner Pötzi , Tatiana Podladchikova

Over the past years, the ever-growing trend on data storage demand, more specifically for "cold" data (rarely accessed data), has motivated research for alternative systems of data storage. Because of its biochemical characteristics,…

Machine Learning · Computer Science 2022-03-21 Xavier Pic , Marc Antonini

A coupled spintronic oscillator array has been considered attractive for neuromorphic computing applications. Experimental reports have shown the nano-constriction geometry to be a relatively easier-to-fabricate platform for implementing…

Developments in machine learning interpretability techniques over the past decade have provided new tools to observe the image regions that are most informative for classification and localization in artificial neural networks (ANNs). Are…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Thomas A. Langlois , H. Charles Zhao , Erin Grant , Ishita Dasgupta , Thomas L. Griffiths , Nori Jacoby

The radioheliograph image is essential for the study of solar short term activities and long term variations, while the continuity and granularity of radioheliograph data is not so ideal, due to the short visible time of the sun and the…

Solar and Stellar Astrophysics · Physics 2021-01-13 PeiJin Zhang , Chuanbing Wang , Guanshan Pu

Recent developments in AI techniques for space applications mirror the success achieved in terrestrial applications. Machine learning, which excels in data rich environments, is particularly well suited to space-based computer vision…

Instrumentation and Methods for Astrophysics · Physics 2025-08-05 Michael Herman , Olivia J. Pinon Fischer , Dimitri N. Mavris