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In recent years, increasing attentions are paid on object detection in remote sensing imagery. However, traditional optical detection is highly susceptible to illumination and weather anomaly. It is a challenge to effectively utilize the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Fang Qingyun , Wang Zhaokui

This work investigates Distributed Detection (DD) in Wireless Sensor Networks (WSNs), where spatially distributed sensors transmit binary decisions over a shared flat-fading channel. To enhance fusion efficiency, a reconfigurable…

Signal Processing · Electrical Eng. & Systems 2026-01-29 Domenico Ciuonzo , Alessio Zappone , Marco Di Renzo , Ciro D'Elia

Edge detection is a long-standing problem in computer vision. Despite the efficiency of existing algorithms, their performance, however, rely heavily on the pre-trained weights of the backbone network on the ImageNet dataset. The use of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Chenguang Liu , Chisheng Wang , Feifei Dong , Xiayang Xiao , Xin Su , Chuanhua Zhu , Dejin Zhang , Qingquan Li

Features from multiple scales can greatly benefit the semantic edge detection task if they are well fused. However, the prevalent semantic edge detection methods apply a fixed weight fusion strategy where images with different semantics are…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Yuan Hu , Yunpeng Chen , Xiang Li , Jiashi Feng

A previously developed modeling procedure for large eddy simulations (LESs) is extended to allow physical space implementations for inhomogeneous flows. The method is inspired by the well-established theoretical analyses and numerical…

Fluid Dynamics · Physics 2022-10-28 Guangrui Sun , J. Andrzej Domaradzki

Satellite altimetry has been widely utilized to monitor global sea surface dynamics, enabling investigation of upper ocean variability from basin-scale to localized eddy ranges. However, the sparse spatial resolution of observational…

Atmospheric and Oceanic Physics · Physics 2024-08-26 Qiuchang Han , Xingliang Jiang , Yang Zhao , Xudong Wang , Zhijin Li , Renhe Zhang

Underwater fish detection (UFD) remains a challenging task in computer vision due to low object resolution, significant background interference, and high visual similarity between targets and surroundings. Existing approaches primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Jinsong Yang , Zeyuan Hu , Yichen Li

In situ and remotely sensed observations have potential to facilitate data-driven predictive models for oceanography. A suite of machine learning models, including regression, decision tree and deep learning approaches were developed to…

Atmospheric and Oceanic Physics · Physics 2020-06-24 Stefan Wolff , Fearghal O'Donncha , Bei Chen

Leaf wetness detection is a crucial task in agricultural monitoring, as it directly impacts the prediction and protection of plant diseases. However, existing sensing systems suffer from limitations in robustness, accuracy, and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-31 Yimeng Liu , Maolin Gan , Yidong Ren , Gen Li , Jingkai Lin , Younsuk Dong , Zhichao Cao

The estimation of underwater sound velocity distribution serves as a critical basis for facilitating effective underwater communication and precise positioning, given that variations in sound velocity influence the path of signal…

Signal Processing · Electrical Eng. & Systems 2026-04-10 Pengfei Wu , Wei Huang , Yujie Shi , Hao Zhang

Due to the irregular space-time sampling of sea surface observations, the reconstruction of sea surface dynamics is a challenging inverse problem. While satellite altimetry provides a direct observation of the sea surface height (SSH),…

Image and Video Processing · Electrical Eng. & Systems 2023-07-19 Ronan Fablet , Quentin Febvre , Bertrand Chapron

Satellite altimetry is a unique way for direct observations of sea surface dynamics. This is however limited to the surface-constrained geostrophic component of sea surface velocities. Ageostrophic dynamics are however expected to be…

Atmospheric and Oceanic Physics · Physics 2023-01-09 Ronan Fablet , Bertrand Chapron , Julien Le Sommer , Florian Sévellec

As one of the automotive sensors that have emerged in recent years, 4D millimeter-wave radar has a higher resolution than conventional 3D radar and provides precise elevation measurements. But its point clouds are still sparse and noisy,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-14 Hongsi Liu , Jun Liu , Guangfeng Jiang , Xin Jin

Ocean eddies play an important role in the transport and mixing processes of the ocean due to their ability to transport material, heat, salt, and other tracers across large distances. They exhibit at least two timescales; an Eulerian…

Fluid Dynamics · Physics 2021-11-17 Michael C. Denes , Gary Froyland , Shane R. Keating

Understanding local currents in the North Atlantic region of the ocean is a key part of modelling heat transfer and global climate patterns. Satellites provide a surface signature of the temperature of the ocean with a high horizontal…

Atmospheric and Oceanic Physics · Physics 2019-10-22 Gautier Cosne , Guillaume Maze , Pierre Tandeo

This article investigates penetrative turbulence in the atmospheric boundary layer. Using a large eddy simulation approach, we study characteristics of the mixed layer with respect to surface heat flux variations in the range from 231.48…

Fluid Dynamics · Physics 2015-05-05 Jahrul M. Alam , M. Alamgir Hossain

SSD (Single Shot Multibox Detector) is one of the best object detection algorithms with both high accuracy and fast speed. However, SSD's feature pyramid detection method makes it hard to fuse the features from different scales. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Zuoxin Li , Lu Yang , Fuqiang Zhou

Detection of oil spills from satellite images is essential for both environmental surveillance and maritime safety. Traditional threshold-based methods frequently encounter performance degradation due to very high false alarm rates caused…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Pavan Kumar Yata , Pediredla Pradeep , Goli Himanish , Swathi M

Knowledge of ocean circulation is important for understanding and predicting weather and climate, and managing the blue economy. This circulation can be estimated through Sea Surface Height (SSH) observations, but requires decomposing the…

Atmospheric and Oceanic Physics · Physics 2024-09-27 Jingwen Lyu , Yue Wang , Christian Pedersen , Spencer Jones , Dhruv Balwada

The accumulated remote sensing data of altimeters and scatterometers have provided a new opportunity to forecast the ocean states and improve the knowledge in ocean/atmosphere exchanges. Few previous studies have focused on sea level…

Atmospheric and Oceanic Physics · Physics 2020-06-16 Guosong Wang , Xidong Wang , Xinrong Wu , Kexiu Liu , Yiquan Qi , Chunjian Sun , Hongli Fu