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In the face of pressing environmental issues in the 21st century, monitoring surface changes on Earth is more important than ever. Large-scale remote sensing, such as satellite imagery, is an important tool for this task. However, using…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Raymond Yu , Paul Han , Josh Myers-Dean , Piper Wolters , Favyen Bastani

6G system is evolving toward full-spectrum coverage,ultra-wide bandwidth, and high mobility, resulting in increasingly complex propagation environments. The deep integration of communication and sensing is widely recognized as a core 6G…

Information Theory · Computer Science 2026-01-27 Xuejian Zhang , Ruisi He , Mi Yang , Zhengyu Zhang , Ziyi Qi

We present Sat2Sound, a unified multimodal framework for geospatial soundscape understanding, designed to predict and map the distribution of sounds across the Earth's surface. Existing methods for this task rely on paired satellite images…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Subash Khanal , Srikumar Sastry , Aayush Dhakal , Adeel Ahmad , Abby Stylianou , Nathan Jacobs

We propose a new method to retrieve the optical depth of Martian aerosols (AOD) from OMEGA and CRISM hyperspectral imagery at a reference wavelength of 1 {\mu}m. Our method works even if the underlying surface is completely made of…

Earth and Planetary Astrophysics · Physics 2015-06-12 S. Douté , X. Ceamanos , T. Appéré

Accurate, high-resolution, and real-time DOA estimation is a cornerstone of environmental perception in automotive radar systems. While sparse signal recovery techniques offer super-resolution and high-precision estimation, their…

Signal Processing · Electrical Eng. & Systems 2026-02-19 Longxin Bai , Jingchao Zhang , Liyan Qiao

With the commissioning of the refurbished adaptive secondary mirror (ASM) for the 6.5-meter MMT Observatory under way, special consideration had to be made to properly calibrate the mirror response functions to generate an interaction…

Instrumentation and Methods for Astrophysics · Physics 2024-08-14 Jacob Taylor , Robin Swanson , Parker Levesque , Masen Lamb , Amali Vaz , Manny Montoya , Andrew Gardner , Katie M. Morzinski , Suresh Sivanandam

We describe a photon-conserving radiative transfer algorithm, using a spatially-adaptive ray tracing scheme, and its parallel implementation into the adaptive mesh refinement (AMR) cosmological hydrodynamics code, Enzo. By coupling the…

Instrumentation and Methods for Astrophysics · Physics 2015-05-20 John H. Wise , Tom Abel

Remote sensing of oceanographic data often yields incomplete coverage of the measurement domain. This can limit interpretability of the data and identification of coherent features informative of ocean dynamics. Several methods exist to…

Atmospheric and Oceanic Physics · Physics 2019-03-27 Siavash Ameli , Shawn C. Shadden

Multiple scattering of seismic waves is often seen as a nightmare for conventional migration techniques that generally rely on a ballistic or a single scattering assumption. In heterogeneous areas such as volcanoes, the multiple scattering…

Lens Distortion Encoding System (LDES) allows for a distortion-accurate workflow, with a seamless interchange of high quality motion picture images regardless of the lens source. This system is similar in a concept to the Academy Color…

Computer Vision and Pattern Recognition · Computer Science 2024-12-16 Jakub Maksymilian Fober

Diffusion Posterior Sampling (DPS) provides a principled Bayesian approach to inverse problems by sampling from $p(x_0 \mid y)$. While posterior sampling is valuable for capturing uncertainty and multi-modality, many classical and practical…

Graphics · Computer Science 2026-05-26 Shaorong Zhang , Rob Brekelmans , Greg Ver Steeg

Accurate retrieval of surface solar radiation (SSR) from satellite imagery critically depends on estimating the background reflectance that a spaceborne sensor would observe under clear-sky conditions. Deviations from this baseline can then…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Yael Frischholz , Devis Tuia , Michael Lehning

In this work, we present a novel dense-correspondence method for 6DoF object pose estimation from a single RGB-D image. While many existing data-driven methods achieve impressive performance, they tend to be time-consuming due to their…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Yongliang Lin , Yongzhi Su , Praveen Nathan , Sandeep Inuganti , Yan Di , Martin Sundermeyer , Fabian Manhardt , Didier Stricker , Jason Rambach , Yu Zhang

This paper presents an infrastructure-free approach for obstacle detection and environmental mapping using ultra-wideband (UWB) radar mounted on a mobile robotic platform. Traditional sensing modalities such as visual cameras and Light…

Robotics · Computer Science 2026-03-04 Adelina Giurea , Stijn Luchie , Dieter Coppens , Jeroen Hoebeke , Eli De Poorter

There is a growing urgency to track greenhouse gasses with the resolution, precision and accuracy needed to support independent verification of $CO_2$ fluxes at local to global scales. The current generation of space-based sensors, however,…

Atmospheric and Oceanic Physics · Physics 2026-05-27 Aaron Sonabend-W , Sean Campbell , John Platt , Christopher Van Arsdale , Anna M. Michalak

For aquaculture resource evaluation and ecological environment monitoring, automatic detection and identification of marine organisms is critical. However, due to the low quality of underwater images and the characteristics of underwater…

Computer Vision and Pattern Recognition · Computer Science 2022-05-23 Zheng Liu , Yaoming Zhuang , Pengrun Jia , Chengdong Wu , Hongli Xu ang Zhanlin Liu

To meet the ambitious goals of next-generation 6G networks, including ultra-high data rates and ubiquitous coverage, we propose a novel high-altitude platform station (HAPS)-based integrated sensing and communication (ISAC) architecture.…

Signal Processing · Electrical Eng. & Systems 2025-10-28 Parisa Kanani , Mohammad Javad Omidi , Mahmoud Modarres-Hashemi , Halim Yanikomeroglu

With the upcoming multitude of commercial and public applications envisioned in the mobile 6G radio landscape using unmanned aerial vehicles (UAVs), integrated sensing and communication (ISAC) plays a key role to enable the detection and…

Soil moisture is a critical variable for managing irrigation, improving crop yield, and understanding field-scale hydrology. Radars mounted on unmanned aerial vehicles (UAVs) offer a promising means to monitor soil moisture over large…

Signal Processing · Electrical Eng. & Systems 2026-04-13 Luke Jacobs , Ishfaq Aziz , Benhao Lu , Alireza Tabatabaeenejad , Mohamad Alipour , Elahe Soltanaghai

Intelligent reflecting surfaces (IRSs) with the ability to reconfigure inherent electromagnetic reflection and absorption characteristics in real-time provide unparalleled prospects to improve wireless connectivity in adverse circumstances.…

Signal Processing · Electrical Eng. & Systems 2022-05-18 Mobasshir Mahbub , Raed M. Shubair