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Related papers: Mars Reconnaissance Orbiter's Mars Color Imager (M…

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The MOST (Microvariability & Oscillations of STars) satellite obtains ultraprecise photometry from space with high sampling rates and duty cycles. Astronomical photometry or imaging missions in low Earth orbits, like MOST, are especially…

In interpretation of remote sensing images, it is possible that some images which are supplied by different sensors become incomprehensible. For better visual perception of these images, it is essential to operate series of pre-processing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Mohammad Reza Khosravi , Mohammad Sharif-Yazd , Mohammad Kazem Moghimi , Ahmad Keshavarz , Habib Rostami , Suleiman Mansouri

We present novel observations utilising the Cassini spacecraft to conduct an observing campaign for stellar astronomy from a vantage point in the outer solar system. By exploiting occultation events in which Mira passed behind the Saturnian…

Instrumentation and Methods for Astrophysics · Physics 2013-06-24 Paul N. Stewart , Peter G. Tuthill , Matthew M. Hedman , Philip D. Nicholson , James P. Lloyd

Quasar absorption lines provide a unique window to the relationship between galaxies and the intergalactic medium during the Epoch of Reionization. In particular, high redshift quasars enable measurements of the neutral hydrogen content of…

Cosmology and Nongalactic Astrophysics · Physics 2025-03-17 Ella Werre , David Robinson , Camille Avestruz , Nickolay Y. Gnedin

Recent papers by Ansari et al. (2024, Science Advances 10, eadn4650) and Richardson et al. (2025, arXiv eprint 2504.01455) have suggested that global warming of the Martian surface ('terraforming') by 35 K to sustain local habitats above…

Earth and Planetary Astrophysics · Physics 2026-03-03 Ashwin S. Braude , Edwin S. Kite , Mark I. Richardson , Alexandre Kling , Michael A. Mischna

Throughout its mission, the Mars Reconnaissance Orbiter (MRO) has often rolled about its along-track axis by up to 28{\deg} to partially compensate for the suboptimal location of the Shallow Radar (SHARAD) antenna along an edge of the…

The Ocean Color Monitor-3, launched aboard Oceansat-3, represents a significant advancement in ocean observation technology, building upon the capabilities of its predecessors. With thirteen spectral bands, OCM-3 enhances feature…

Signal Processing · Electrical Eng. & Systems 2024-11-08 Ankur Garg , Tushar Shukla , Sunita Arya , Ghansham Sangar , Sampa Roy , Meenakshi Sarkar , S. Manthira Moorthi , Debajyoti Dhar

Recent advances in artificial intelligence have prompted the search for enhanced algorithms and hardware to support the deployment of machine learning at the edge. More specifically, in the context of the Internet of Things (IoT), vision…

Hardware Architecture · Computer Science 2024-11-13 Martin Lefebvre , David Bol

The evaluation of object detection models is usually performed by optimizing a single metric, e.g. mAP, on a fixed set of datasets, e.g. Microsoft COCO and Pascal VOC. Due to image retrieval and annotation costs, these datasets consist…

Computer Vision and Pattern Recognition · Computer Science 2022-12-01 Floriana Ciaglia , Francesco Saverio Zuppichini , Paul Guerrie , Mark McQuade , Jacob Solawetz

The first in-situ measurements of the altitude profile of Martian upper atmospheric density and composition were carried out by the Viking lander missions in 1976. The MAVEN and MOM spacecraft launched in September 2014 with mass…

Space Physics · Physics 2024-09-16 S. C. Chakravarty , Kamsali Nagaraja

Magnetic Resonance Imaging (MRI) plays a vital role in diagnosis, management and monitoring of many diseases. However, it is an inherently slow imaging technique. Over the last 20 years, parallel imaging, temporal encoding and compressed…

Cardiac magnetic resonance imaging (MRI) has emerged as a clinically gold-standard technique for diagnosing cardiac diseases, thanks to its ability to provide diverse information with multiple modalities and anatomical views. Accelerated…

With the recent shift towards mobile computing, new challenges for biometric authentication appear on the horizon. This paper provides a comprehensive study of cross-spectral iris recognition in a scenario, in which high quality color…

Computer Vision and Pattern Recognition · Computer Science 2018-07-12 Mateusz Trokielewicz , Ewelina Bartuzi

A radiance field is an effective representation of 3D scenes, which has been widely adopted in novel-view synthesis and 3D reconstruction. It is still an open and challenging problem to evaluate the geometry, i.e., the density field, as the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Qihang Fang , Yafei Song , Keqiang Li , Li Shen , Huaiyu Wu , Gang Xiong , Liefeng Bo

We address the question of to what accuracy remote sensing images of the surface of planets can be matched, so that the possible displacement of features on the surface can be accurately measured. This is relevant in the context of the…

Astrophysics · Physics 2007-05-23 Giuseppe Vacanti , Ernst-Jan Buis

Whether extant life exists in the martian subsurface is an open question. High concentrations of photochemically produced CO and H2 in the otherwise oxidizing martian atmosphere represent untapped sources of biologically useful free energy.…

Earth and Planetary Astrophysics · Physics 2019-04-09 Steven F. Sholes , Joshua Krissansen-Totton , David C. Catling

Reconstructing high-quality magnetic resonance images (MRI) from undersampled raw data is of great interest from both technical and clinical point of views. To this date, however, it is still a mathematically and computationally challenging…

Numerical Analysis · Mathematics 2021-09-01 T. Schmoderer , A. I Aviles-Rivero , V. Corona , N. Debroux , C-B. Schönlieb

Light inherently consists of multiple dimensions beyond intensity, including spectrum, polarization, etc. The coupling among these high-dimensional optical features provides a compressive characterization of intrinsic material properties.…

Optics · Physics 2025-05-02 Liheng Bian , Zhen Wang , Pengming Peng , Zhengyi Zhao , Rong Yan , Hanwen Xu , Jun Zhang

The MACHO experiment is searching for dark matter in the halo of the Galaxy by monitoring more than 20 million stars in the LMC and Galactic bulge for gravitational microlensing events. The hardware consists of a 50 inch telescope, a…

Real-world imaging systems acquire measurements that are degraded by noise, optical aberrations, and other imperfections that make image processing for human viewing and higher-level perception tasks challenging. Conventional cameras…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Steven Diamond , Vincent Sitzmann , Frank Julca-Aguilar , Stephen Boyd , Gordon Wetzstein , Felix Heide