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NASA's Solar Dynamics Observatory (SDO) mission collects extensive data to monitor the Sun's daily activity. In the realm of space mission design, data compression plays a crucial role in addressing the challenges posed by limited telemetry…

Image and Video Processing · Electrical Eng. & Systems 2024-07-23 Atefeh Khoshkhahtinat , Ali Zafari , Piyush M. Mehta , Nasser M. Nasrabadi , Barbara J. Thompson , Michael S. F. Kirk , Daniel da Silva

Image classification is one of the main drivers of the rapid developments in deep learning with convolutional neural networks for computer vision. So is the analogous task of scene classification in remote sensing. However, in contrast to…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Michael Schmitt , Yu-Lun Wu

We address the challenge of applying existing convolutional neural network (CNN) architectures to compressed images. Existing CNN architectures represent images as a matrix of pixel intensities with a specified dimension; this desired…

Computer Vision and Pattern Recognition · Computer Science 2019-11-22 Christopher A. George , Bradley M. West

Presently, deep learning and convolutional neural networks (CNNs) are widely used in the fields of image processing, image classification, object identification and many more. In this work, we implemented convolutional neural network based…

Computer Vision and Pattern Recognition · Computer Science 2024-11-13 Jai G Singla , Bakul Vaghela

The Colorado Ultraviolet Transit Experiment (CUTE) is a 6U NASA CubeSat carrying on-board a low-resolution, near-ultraviolet (2479-3306 A) spectrograph. It has a Cassegrain telescope with a rectangular primary to maximize the collecting…

Instrumentation and Methods for Astrophysics · Physics 2022-12-07 A. G. Sreejith , Luca Fossati , S. Ambily , Arika Egan , Nicholas Nell , Kevin France , Brian T. Fleming , Stephanie Haas , Michael Chambliss , Nicholas DeCicco , Manfred Steller

The upcoming landscape of Earth Observation missions will defined by networked heterogeneous nanosatellite constellations required to meet strict mission requirements, such as revisit times and spatial resolution. However, scheduling…

Signal Processing · Electrical Eng. & Systems 2024-03-05 Guillem Casadesus-Vila , Joan-Adria Ruiz-de-Azua , Eduard Alarcon

Missions to small celestial bodies rely heavily on optical feature tracking for characterization of and relative navigation around the target body. While techniques for feature tracking based on deep learning are a promising alternative to…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Travis Driver , Panagiotis Tsiotras

In order to be able to deliver today's voluminous amount of video contents through limited bandwidth channels in a perceptually optimal way, it is important to consider perceptual trade-offs of compression and space-time downsampling…

Image and Video Processing · Electrical Eng. & Systems 2021-04-01 Dae Yeol Lee , Hyunsuk Ko , Jongho Kim , Alan C. Bovik

Recent advances in signal processing have focused on the use of sparse representations in various applications. A new field of interest based on sparsity has recently emerged: compressed sensing. This theory is a new sampling framework that…

Astrophysics · Physics 2009-11-13 J. Bobin , J-L Starck , R. Ottensamer

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…

Artificial Intelligence · Computer Science 2024-11-06 Jonah Ekelund , Ricardo Vinuesa , Yuri Khotyaintsev , Pierre Henri , Gian Luca Delzanno , Stefano Markidis

IoT devices are increasingly the source of data for machine learning (ML) applications running on edge servers. Data transmissions from devices to servers are often over local wireless networks whose bandwidth is not just limited but, more…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-02-26 Ruiqi Wang , Hanyang Liu , Jiaming Qiu , Moran Xu , Roch Guerin , Chenyang Lu

Lossy image compression is generally formulated as a joint rate-distortion optimization to learn encoder, quantizer, and decoder. However, the quantizer is non-differentiable, and discrete entropy estimation usually is required for rate…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Mu Li , Wangmeng Zuo , Shuhang Gu , Debin Zhao , David Zhang

A Compton/Pair telescope, designed to provide spectral resolved images of cosmic photons from sub-MeV to GeV energies, records a wealth of data in a combination of tracking detector and calorimeter. Onboard event classification can be…

Instrumentation and Methods for Astrophysics · Physics 2024-11-05 Jan Peter Lommler , Uwe Oberlack

There has been much interest in deploying deep learning algorithms on low-powered devices, including smartphones, drones, and medical sensors. However, full-scale deep neural networks are often too resource-intensive in terms of energy and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Yoshitomo Matsubara , Ruihan Yang , Marco Levorato , Stephan Mandt

CubeSats and small satellites are emerging as low-cost tools for performing science and exploration in deep space. These new classes of satellite exploit the latest advancement in miniaturization of electronics, power systems, and…

Instrumentation and Methods for Astrophysics · Physics 2017-01-31 Stephen R. Schwartz , Shota Ichikawa , Pranay Gankidi , Nalik Kenia , Graham Dektorand Jekan Thangavelautham

Vision transformer (ViT) and its variants have swept through visual learning leaderboards and offer state-of-the-art accuracy in tasks such as image classification, object detection, and semantic segmentation by attending to different parts…

Computer Vision and Pattern Recognition · Computer Science 2023-09-07 Eric Youn , Sai Mitheran J , Sanjana Prabhu , Siyuan Chen

Optical navigation on a CubeSat must rely on the best extraction of the directions of some beacons from on-board images. We present an experiment on OPS-SAT, a CubeSat of the European Space Agency (ESA), that will characterize an onboard…

Instrumentation and Methods for Astrophysics · Physics 2022-03-15 Boris Segret , Youssoupha Diaw , Valery Lainey

Virtual Super-resolution Optics with Reconfigurable Swarms (VISORS) is a distributed telescope mission for high-resolution imaging of the Sun using two 6U CubeSats flying in formation in a Sun-synchronous low-Earth orbit. An optics…

Robotics · Computer Science 2023-10-02 Tommaso Guffanti , Toby Bell , Samuel Y. W. Low , Mason Murray-Cooper , Simone D'Amico

Modern computer vision requires processing large amounts of data, both while training the model and/or during inference, once the model is deployed. Scenarios where images are captured and processed in physically separated locations are…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Sudeep Katakol , Basem Elbarashy , Luis Herranz , Joost van de Weijer , Antonio M. Lopez

Coreset selection aims to identify a small yet highly informative subset of data, thereby enabling more efficient model training while reducing storage overhead. Recently, this capability has been leveraged to tackle the challenges of…

Machine Learning · Computer Science 2025-11-19 Hanyu Zhang , Zhen Xing , Ruian He , Wenxuan Yang , Chenxi Ma , Weimin Tan , Bo Yan