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In ultrasound shear wave elasticity (SWE) imaging, a number of algorithms exist for estimating the shear wave speed (SWS) from spatiotemporal displacement data. However, no method provides a well-calibrated and practical uncertainty metric,…

Image and Video Processing · Electrical Eng. & Systems 2022-03-22 Felix Q. Jin , Lindsey C. Carlson , Helen Feltovich , Timothy J. Hall , Mark L. Palmeri

Driven by rapid climate change, the frequency and intensity of flood events are increasing. Electro-Optical (EO) satellite imagery is commonly utilized for rapid response. However, its utilities in flood situations are hampered by issues…

Computer Vision and Pattern Recognition · Computer Science 2023-07-17 Minseok Seo , Youngtack Oh , Doyi Kim , Dongmin Kang , Yeji Choi

High resolution Digital Elevation models, such as the (Big) grid terrain model of Denmark with more than 200 billion measurements, is a basic requirement for water flow modelling and flood risk analysis. However, a large number of…

Computer Vision and Pattern Recognition · Computer Science 2019-09-18 Lars Arge , Allan Grønlund , Svend Christian Svendsen , Jonas Tranberg

Underwater image enhancement (UIE) poses challenges due to distinctive properties of the underwater environment, including low contrast, high turbidity, visual blurriness, and color distortion. In recent years, the application of deep…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 Wangzhen Peng , Chenghao Zhou , Runze Hu , Jingchao Cao , Yutao Liu

Removing rain degradations in images is recognized as a significant issue. In this field, deep learning-based approaches, such as Convolutional Neural Networks (CNNs) and Transformers, have succeeded. Recently, State Space Models (SSMs)…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Shugo Yamashita , Masaaki Ikehara

Climate change and sea-level rise (SLR) pose escalating threats to coastal cities, intensifying the need for efficient and accurate methods to predict potential flood hazards. Traditional physics-based hydrodynamic simulators, although…

Computer Vision and Pattern Recognition · Computer Science 2025-10-31 Bilal Hassan , Areg Karapetyan , Aaron Chung Hin Chow , Samer Madanat

Depth estimation from a single underwater image is one of the most challenging problems and is highly ill-posed. Due to the absence of large generalized underwater depth datasets and the difficulty in obtaining ground truth depth-maps,…

Computer Vision and Pattern Recognition · Computer Science 2019-05-29 Honey Gupta , Kaushik Mitra

We performed Out-Of-Distribution (OOD) analysis of 7.8 million Sea Surface Topography Merged Altimeter L4 cdr grid cutouts in an effort to identify rare (possibly unknown) physical phenomenon sea surface height (SSH) data. The algorithm…

Atmospheric and Oceanic Physics · Physics 2023-06-13 Benjamin Pritikin , J. Xavier Prochaska

Soil moisture sensing through biomass or vegetation canopy has challenged researchers, even those who use SAR sensors with penetration capabilities. This is mainly due to the imposed extra time and phase offsets on Radio Frequency (RF)…

Signal Processing · Electrical Eng. & Systems 2024-04-25 Luke Jacobs , Mohamad Alipour , Adam Watts , Elahe Soltanaghai

Detecting roadway segments inundated due to floodwater has important applications for vehicle routing and traffic management decisions. This paper proposes a set of algorithms to automatically detect floodwater that may be present in an…

Computer Vision and Pattern Recognition · Computer Science 2019-09-04 Cem Sazara , Mecit Cetin , Khan M. Iftekharuddin

We describe a technique of image analysis providing the time resolved shape of a water surface simultaneously with the three-component velocity field on this surface. The method relies on a combination of stereoscopic surface mapping and…

Fluid Dynamics · Physics 2019-02-18 Quentin Aubourg , Joel Sommeria , Samuel Viboud , Nicolas Mordant

When performing robot/vehicle localization using ground penetrating radar (GPR) to handle adverse weather and environmental conditions, existing techniques often struggle to accurately estimate distances when processing B-scan images with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Huaichao Wang , Xuanxin Fan , Ji Liu , Haifeng Li , Dezhen Song

Learning to reconstruct depths in a single image by watching unlabeled videos via deep convolutional network (DCN) is attracting significant attention in recent years. In this paper, we introduce a surface normal representation for…

Computer Vision and Pattern Recognition · Computer Science 2017-11-13 Zhenheng Yang , Peng Wang , Wei Xu , Liang Zhao , Ramakant Nevatia

It is challenging to remove rain-steaks from a single rainy image because the rain steaks are spatially varying in the rainy image. Although the CNN based methods have reported promising performance recently, there are still some defects,…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Chaobing Zheng , Jun Jiang , Wenjian Ying , Shiqian Wu

Deep Learning (DL) based downscaling has become a popular tool in earth sciences recently. Increasingly, different DL approaches are being adopted to downscale coarser precipitation data and generate more accurate and reliable estimates at…

This work addresses the problem of camera elevation estimation from a single photograph in an outdoor environment. We introduce a new benchmark dataset of one-hundred thousand images with annotated camera elevation called Alps100K. We…

Computer Vision and Pattern Recognition · Computer Science 2016-07-13 Martin Cadik , Jan Vasicek , Michal Hradis , Filip Radenovic , Ondrej Chum

One of the main challenges in deep learning-based underwater image enhancement is the limited availability of high-quality training data. Underwater images are difficult to capture and are often of poor quality due to the distortion and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Alzayat Saleh , Marcus Sheaves , Dean Jerry , Mostafa Rahimi Azghadi

The use of small unmanned aircraft systems (sUAS) for applications in the field of precision agriculture has demonstrated the need to produce temporally consistent imagery to allow for quantitative comparisons. In order for these aerial…

Image and Video Processing · Electrical Eng. & Systems 2018-04-26 Baabak Mamaghani , Geoffrey Sasaki , Ryan Connal , Kevin Kha , Jackson Knappen , Ryan Hartzell , Evan Marcellus , Timothy Bauch , Nina Raqueno , Carl Salvaggio

Urban water is important for the urban ecosystem. Accurate and efficient detection of urban water with remote sensing data is of great significance for urban management and planning. In this paper, we proposed a new method to combine Google…

Computer Vision and Pattern Recognition · Computer Science 2024-05-21 Yudie Wang , Zhiwei Li , Chao Zeng , Gui-Song Xia , Huanfeng Shen

We present an algorithm to photometrically calibrate wide field optical imaging surveys, that simultaneously solves for the calibration parameters and relative stellar fluxes using overlapping observations. The algorithm decouples the…