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In this field report, we detail the lessons learned from our field expedition to collect Ground Penetrating Radar (GPR) data in a Mars analog environment for the purpose of validating GPR localization techniques in rugged environments.…

机器人学 · 计算机科学 2025-06-09 Anja Sheppard , Katherine A. Skinner

Surface enhanced Raman scattering (SERS) exploits surface plasmons induced by the incident field in metallic nanostructures to significantly increase the Raman intensity. Graphene provides the ideal prototype two dimensional (2d) test…

介观与纳米尺度物理 · 物理学 2013-04-03 F. Schedin , E. Lidorikis , A. Lombardo , V. G. Kravets , A. K. Geim , A. N. Grigorenko , K. S. Novoselov , A. C. Ferrari

We propose a revolutionary way of studying the sur-face of Mars using a wind-driven network of mobile sensors- Gone with the Wind ON_Mars (GOWON). GOWON is envisioned to be a scalable, 100% self energy-generating and distributed system that…

仪器与探测器 · 物理学 2012-05-09 Faranak Davoodi , Ali Hajimiri , Neil Murphy , Michael Mischna , Issa Nesnas , Shouleh Nikzad

Hyper-spectral data can be analyzed to recover physical properties at large planetary scales. This involves resolving inverse problems which can be addressed within machine learning, with the advantage that, once a relationship between…

应用统计 · 统计学 2015-12-31 Antoine Deleforge , Florence Forbes , Sileye Ba , Radu Horaud

This paper outlines image domain material decomposition algorithms that have been routinely used in MARS spectral CT systems. These algorithms (known collectively as MARS-MD) are based on a pragmatic heuristic for solving the…

It has long been a goal to efficiently compute and use second order information on a function ($f$) to assist in numerical approximations. Here it is shown how, using only basic physics and a numerical approximation, such information can be…

机器学习 · 计算机科学 2021-05-31 Michael F. Zimmer

Models for RNA secondary structures (the topology of folded RNA) without pseudo knots are disordered systems with a complex state-space below a critical temperature. Hence, a complex dynamical (glassy) behavior can be expected, when…

无序系统与神经网络 · 物理学 2008-02-02 S. Wolfsheimer , B. Burghardt , A. Mann , A. K. Hartmann

The Multimodal Learning for Earth and Environment Workshop (MultiEarth 2023) aims to harness the substantial amount of remote sensing data gathered over extensive periods for the monitoring and analysis of Earth's ecosystems'health. The…

计算机视觉与模式识别 · 计算机科学 2023-06-23 Jingi Ju , Hyeoncheol Noh , Minwoo Kim , Dong-Geol Choi

The plasma environment around Mars is highly variable because it is strongly influenced by the solar wind. Accurate identification of plasma regions around Mars is important for the community studying solar wind-Mars interactions,…

We demonstrate spectroscopy of incoherent light with sub-diffraction resolution. In a proof-of-principle experiment we analyze the spectrum of a pair of incoherent point-like sources whose separation is below the diffraction limit. The two…

光学 · 物理学 2025-03-24 Luigi Santamaria Amato , Fabrizio Sgobba , Deborah Pallotti , Cosmo Lupo

The Sentinel-2 satellite mission delivers multi-spectral imagery with 13 spectral bands, acquired at three different spatial resolutions. The aim of this research is to super-resolve the lower-resolution (20 m and 60 m Ground Sampling…

计算机视觉与模式识别 · 计算机科学 2018-10-23 Charis Lanaras , José Bioucas-Dias , Silvano Galliani , Emmanuel Baltsavias , Konrad Schindler

The Mars Perseverance Rover represents a generational change in the scale of measurements that can be taken on Mars, however this increased resolution introduces new challenges for techniques in exploratory data analysis. The multiple…

计算工程、金融与科学 · 计算机科学 2024-09-11 Austin P. Wright , Scott Davidoff , Duen Horng Chau

In this document, we summarize the main capabilities of the James Webb Space Telescope (JWST) for performing observations of Mars. The distinctive vantage point of JWST at the Sun-Earth Lagrange point (L2) will allow sampling the full…

This paper reviews the challenge on constrained high dynamic range (HDR) imaging that was part of the New Trends in Image Restoration and Enhancement (NTIRE) workshop, held in conjunction with CVPR 2022. This manuscript focuses on the…

With the ChemCam instrument, laser-induced breakdown spectroscopy (LIBS) has successively contributed to Mars exploration by determining elemental compositions of the soil, crust and rocks. Two new lunched missions, Chinese Tianwen 1 and…

应用物理 · 物理学 2022-04-19 Chen Sun , Weijie Xu , Yongqi Tan , Yuqing Zhang , Zengqi Yue , Sahar Shabbir , Mengting Wu , Long Zou , Fengye Chen , Jin Yu

PET/CT is extensively used in imaging malignant tumors because it highlights areas of increased glucose metabolism, indicative of cancerous activity. Accurate 3D lesion segmentation in PET/CT imaging is essential for effective oncological…

图像与视频处理 · 电气工程与系统科学 2024-09-12 Ching-Wei Wang , Ting-Sheng Su , Keng-Wei Liu

The expected accurate astrometric data from Gaia offer the opportunity and the obligation to exploitation by a second all-sky mission. Therefore a proposal was submitted to ESA in May 2013 for a Gaia-like mission in about twenty years. Two…

天体物理仪器与方法 · 物理学 2014-08-15 Erik Høg , Jens Knude

Strong Lensing is a powerful probe of the matter distribution in galaxies and clusters and a relevant tool for cosmography. Analyses of strong gravitational lenses with Deep Learning have become a popular approach due to these astronomical…

This paper focuses on a survey of experimental data related to radiation into CO$_2$ plasma flows, which are encountered during Mars and Venus entries. The review emphasizes on VUV and IR radiation, since recent experimental efforts has…

等离子体物理 · 物理学 2020-07-10 Philippe Reynier