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Dimensionality reduction can be applied to hyperspectral images so that the most useful data can be extracted and processed more quickly. This is critical in any situation in which data volume exceeds the capacity of the computational…

Image and Video Processing · Electrical Eng. & Systems 2024-02-27 Daniela Lupu , Joseph L. Garrett , Tor Arne Johansen , Milica Orlandic , Ion Necoara

Object detection using aerial drone imagery has received a great deal of attention in recent years. While visible light images are adequate for detecting objects in most scenarios, thermal cameras can extend the capabilities of object…

Computer Vision and Pattern Recognition · Computer Science 2022-01-12 Lizhi Yang , Ruhang Ma , Avideh Zakhor

As an important branch of photoacoustic microscopy, optical-resolution photoacoustic microscopy suffers from limited depth of field due to the strongly focused laser beam. In this work, a 3D information fusion algorithm based on 3D…

Image and Video Processing · Electrical Eng. & Systems 2022-11-29 Xianlin Song , Sihang Li , Zhuangzhuang Wang

The upcoming James Webb Space Telescope (JWST) promises a generational shift in the study of temperate mini-Neptune atmospheres using transit spectroscopy. High-altitude clouds however threaten to impede their atmospheric characterisation…

Earth and Planetary Astrophysics · Physics 2022-06-22 Savvas Constantinou , Nikku Madhusudhan

Understanding the complex dynamics and structure of the upper solar atmosphere benefits strongly from the use of a combination of several diagnostics. Frequently, such diverse diagnostics can only be obtained from telescopes and/or…

Solar and Stellar Astrophysics · Physics 2019-11-13 J. de la Cruz Rodríguez

The intrinsically hierarchical and blended structure of interstellar molecular clouds, plus the always increasing resolution of astronomical instruments, demand advanced and automated pattern recognition techniques for identifying and…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Martín Villanueva , Mauricio Araya

I present an overview of the JWST Advanced Deep Extragalactic Survey (JADES), a joint program of the JWST/NIRCam and NIRSpec Guaranteed Time Observations (GTO) teams involving 950 hours of observation. We will target two well-studied fields…

Astrophysics of Galaxies · Physics 2022-01-03 Andrew J. Bunker

In this paper, we propose a novel method for image fusion with a high-resolution panchromatic image and a low-resolution multispectral image at the same geographical location. The fusion is formulated as a convex optimization problem which…

Computer Vision and Pattern Recognition · Computer Science 2015-10-28 Chen Chen , Yeqing Li , Wei Liu , Junzhou Huang

Many advances in astronomy and astrophysics originate from accurate images of the sky emission across multiple wavelengths. This often requires reconstructing spatially and spectrally correlated signals detected from multiple instruments.…

Instrumentation and Methods for Astrophysics · Physics 2024-09-17 Vincent Eberle , Matteo Guardiani , Margret Westerkamp , Philipp Frank , Julian Rüstig , Julia Stadler , Torsten A. Enßlin

Organizations are starting to realize of the combined power of data and data-driven algorithmic models to gain insights, situational awareness, and advance their mission. A common challenge to gaining insights is connecting inherently…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Benjamin Ortiz , David Lindenbaum , Joseph Nassar , Brendan Lammers , John Wahl , Robert Mangum , Margaret Smith , Marc Bosch

In this paper, we explore the possibility of achieving a more accurate depth estimation by fusing monocular images and Radar points using a deep neural network. We give a comprehensive study of the fusion between RGB images and Radar…

Computer Vision and Pattern Recognition · Computer Science 2020-10-02 Juan-Ting Lin , Dengxin Dai , Luc Van Gool

Hyperspectral image (HSI) super-resolution is commonly used to overcome the hardware limitations of existing hyperspectral imaging systems on spatial resolution. It fuses a low-resolution (LR) HSI and a high-resolution (HR) conventional…

Image and Video Processing · Electrical Eng. & Systems 2021-04-27 Xiuheng Wang , Jie Chen , Qi Wei , Cédric Richard

We present an original method for reconstructing a three-dimensional object having two spatial dimensions and one spectral dimension from data provided by the infrared slit spectrograph on board the Spitzer Space Telescope. During…

Instrumentation and Methods for Astrophysics · Physics 2011-08-31 T. Rodet , F. Orieux , J. -F. Giovannelli , A. Abergel

We review some aspects of the current state of data-intensive astronomy, its methods, and some outstanding data analysis challenges. Astronomy is at the forefront of "big data" science, with exponentially growing data volumes and data…

Instrumentation and Methods for Astrophysics · Physics 2014-11-04 G. Longo , M. Brescia , S. G. Djorgovski , S. Cavuoti , C. Donalek

Scientific exploitation of the ever increasing volumes of astronomical data requires efficient and practical methods for data access, visualisation, and analysis. Hierarchical sky tessellation techniques enable a multi-resolution approach…

Instrumentation and Methods for Astrophysics · Physics 2015-06-17 P. Fernique , M. G. Allen , T. Boch , A. Oberto , F-X. Pineau , D. Durand , C. Bot , L. Cambresy , S. Derriere , F. Genova , F. Bonnarel

Collaborations in astronomy and astrophysics are faced with numerous cyber infrastructure challenges, such as large data sets, the need to combine heterogeneous data sets, and the challenge to effectively collaborate on those large,…

Instrumentation and Methods for Astrophysics · Physics 2018-05-23 Falk Herwig , Robert Andrassy , Nic Annau , Ondrea Clarkson , Benoit Cote , Aaron D'Sa , Sam Jones , Belaid Moa , Jericho O'Connell , David Porter , Christian Ritter , Paul Woodward

In this paper we discuss a new variational approach to the Date Fusion problem of multi-spectral satellite images from Sentinel-2 and MODIS that have been captured at different resolution level and, arguably, on different days. The crucial…

Optimization and Control · Mathematics 2023-02-27 Natalya Ivanchuk , Peter Kogut , Petro Martyniuk

The James Webb Space Telescope (JWST) will measure exoplanet transmission and eclipse spectroscopy at un-precedented precisions to better understand planet structure, dynamics, chemistry and formation. These are essential tools on the march…

Earth and Planetary Astrophysics · Physics 2018-07-18 Everett Schlawin , Thomas P. Greene , Michael Line , Jonathan J. Fortney , Marcia Rieke

Current and upcoming radio-interferometers are expected to produce volumes of data of increasing size that need to be processed in order to generate the corresponding sky brightness distributions through imaging. This represents an…

Instrumentation and Methods for Astrophysics · Physics 2023-01-18 Claudio Gheller , Giuliano Taffoni , David Goz
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