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Related papers: Fusion between ground- and space-based mid-infrare…

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The proliferation of near-infrared (1--5 $\mu$m) photometric systems over the last 30 years has made the comparison of photometric results difficult. In an effort to standardize infrared filters in use, the Mauna Kea Observatories…

Astrophysics · Physics 2007-05-23 A. T. Tokunaga W. D. Vacca

The far-infrared (IR) region is rich with information needed to characterize interstellar dust and to investigate the cold outer planets of the solar system and their icy moons. The proposed sub-orbital observatory the Balloon Experiment…

Instrumentation and Methods for Astrophysics · Physics 2023-12-27 Joanna Perido , Kevin Denis , Jason Glenn , Nicholas F. Cothard , Manuel Quijada , Jessica Patel , Edward Wollack , Tilak Hewagama , Shahid Aslam , Peter K. Day

Optical interferometric imaging enables astronomical observation at extremely high angular resolution. The necessary optical information for imaging, such as the optical path differences and visibilities, is easy to extract from fringes…

Atomic Force Microscopy - Infrared (AFM-IR) has emerged as a useful technique for measuring absorption spectra with spatial resolution better than the optical diffraction limit. The technique relies on the movement of a probe for atomic…

Applied Physics · Physics 2024-01-17 Luca Quaroni

Coherent interconversion of signals between optical and mechanical domains is enabled by optomechanical interactions. Extreme light-matter coupling produced by confining light to nanoscale mode volumes can then access single mid-infrared…

The photometric accuracy in the near-infrared (NIR) wavelength range (0.9 -2.6 microns) is strongly affected by the variability of atmospheric transmission. The Infrared Working Group (IRWG) has recommended filters that help alleviate this…

Instrumentation and Methods for Astrophysics · Physics 2025-06-30 Anwesh Kumar Mishra , U. S. Kamath

Integral-field-spectroscopy and multi-object-spectroscopy provide the high multiplex gain required for efficient use of the upcoming generation of extremely large telescopes. We present instrument developments and designs for both concepts,…

Astrophysics · Physics 2007-05-23 F. Eisenhauer , M. Tecza , N. Thatte , S. Mengel , R. Hofmann , R. Genzel

This paper reviews the most important information fusion data-driven algorithms based on Machine Learning (ML) techniques for problems in Earth observation. Nowadays we observe and model the Earth with a wealth of observations, from a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-11 S. Salcedo-Sanz , P. Ghamisi , M. Piles , M. Werner , L. Cuadra , A. Moreno-Martínez , E. Izquierdo-Verdiguier , J. Muñoz-Marí , Amirhosein Mosavi , G. Camps-Valls

The gravitational wave GW170817 from a binary neutron star merger and the simultaneous electromagnetic detection of the GRB170817A by Fermi Gamma-Ray Space Telescope, opened a new era in the multi-messenger astronomy. Furthermore, the GRBs…

High Energy Astrophysical Phenomena · Physics 2024-07-16 Alessandro Drago , Simone Bini , Mariangela Cestelli Guidi , Augusto Marcelli , Valerio Bocci , Emanuele Pace

Nonnegative matrix factorization (NMF) methods have proved to be powerful across a wide range of real-world clustering applications. Integrating multiple types of measurements for the same objects/subjects allows us to gain a deeper…

Machine Learning · Computer Science 2014-09-16 Daniel Hidru , Anna Goldenberg

The space-time correlations of streams of photons can provide fundamentally new channels of information about the Universe. Today's astronomical observations essentially measure certain amplitude coherence functions produced by a source.…

Instrumentation and Methods for Astrophysics · Physics 2009-03-03 C. Barbieri , M. K. Daniel , W. J. de Wit , D. Dravins , H. Jensen , P. Kervella , S. Le Bohec , F. Malbet , P. Nunez , J. P. Ralston , E. N. Ribak

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

While NeRF has shown great success for neural reconstruction and rendering, its limited MLP capacity and long per-scene optimization times make it challenging to model large-scale indoor scenes. In contrast, classical 3D reconstruction…

Computer Vision and Pattern Recognition · Computer Science 2022-03-23 Xiaoshuai Zhang , Sai Bi , Kalyan Sunkavalli , Hao Su , Zexiang Xu

We present high-resolution 345 GHz interferometric observations of two extreme luminous (L_{IR}>10^{13} L_sun), submillimetre-selected galaxies (SMGs) in the COSMOS field with the Submillimeter Array (SMA). Both targets were previously…

The angular differential imaging (ADI) is used to improve contrast in high resolution astronomical imaging. An example is the direct imaging of exoplanet in camera fed by Extreme Adaptive Optics. The subtraction of the main dazzling object…

Instrumentation and Methods for Astrophysics · Physics 2018-07-04 Carmelo Arcidiacono , Valeria Simoncini

Infrared and visible image fusion aims to combine complementary information from both modalities to provide a more comprehensive scene understanding. However, due to the significant differences between the two modalities, preserving key…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Jian Xu , Xin He

(Abridged) Context: In the previous paper in this series, we identified that a pentagonal arrangement of five telescopes, using a kernel-nulling beam combiner, shows notable advantages for some important performance metrics for a…

Instrumentation and Methods for Astrophysics · Physics 2023-02-08 Jonah T. Hansen , Michael J. Ireland , Romain Laugier , the LIFE collaboration

Nonnegative matrix factorization (NMF) is a linear dimensionality technique for nonnegative data with applications such as image analysis, text mining, audio source separation and hyperspectral unmixing. Given a data matrix $M$ and a…

Machine Learning · Computer Science 2021-04-14 Junjun Pan , Nicolas Gillis

Deep near-infrared imaging surveys allow us to select and study distant galaxies in the rest-frame optical, and have transformed our understanding of the early Universe. As the vast majority of K- or IRAC-selected galaxies is too faint for…

Nonnegative matrix factorization (NMF) is a powerful class of feature extraction techniques that has been successfully applied in many fields, namely in signal and image processing. Current NMF techniques have been limited to a…

Machine Learning · Statistics 2015-01-26 Paul Honeine , Fei Zhu