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This paper presents a combined ocean and oil model for adaptive placement of sensors in the immediate aftermath of oilspills. A key feature of this model is the ability to correct its predictions of spill location using continual…

Systems and Control · Electrical Eng. & Systems 2019-11-13 Zak Hodgson , David Browne , Inaki Esnaola , Bryn Jones

Foreign Object Debris (FOD) within aircraft fuel tanks presents critical safety hazards including fuel contamination, system malfunctions, and increased maintenance costs. Despite the severity of these risks, there is a notable lack of…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Ashish Vashist , Qiranul Saadiyean , Suresh Sundaram , Chandra Sekhar Seelamantula

The identification and removal of systematic errors in object detectors can be a prerequisite for their deployment in safety-critical applications like automated driving and robotics. Such systematic errors can for instance occur under very…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Valentyn Boreiko , Matthias Hein , Jan Hendrik Metzen

Target detection is the front-end stage in any automatic target recognition system for synthetic aperture radar (SAR) imagery (SAR-ATR). The efficacy of the detector directly impacts the succeeding stages in the SAR-ATR processing chain.…

Image and Video Processing · Electrical Eng. & Systems 2018-04-16 Khalid El-Darymli , Peter McGuire , Desmond Power , Cecilia Moloney

Synthetic aperture radar (SAR) imaging, celebrated for its high resolution, all-weather capability, and day-night operability, is indispensable for maritime applications. However, ship detection in SAR imagery faces significant challenges,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Congxia Zhao , Xiongjun Fu , Jian Dong , Shen Cao , Chunyan Zhang

End-to-end autonomous driving systems promise stronger performance through unified optimization of perception, motion forecasting, and planning. However, vision-based approaches face fundamental limitations in adverse weather conditions,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Philipp Wolters , Johannes Gilg , Torben Teepe , Gerhard Rigoll

Simultaneous localization and mapping (SLAM) is a critical capability for any autonomous underwater vehicle (AUV). However, robust, accurate state estimation is still a work in progress when using low-cost sensors. We propose enhancing a…

Robotics · Computer Science 2022-02-14 John McConnell , Fanfei Chen , Brendan Englot

Earth observation technologies, such as optical imaging and synthetic aperture radar (SAR), provide excellent means to monitor ever-growing urban environments continuously. Notably, in the case of large-scale disasters (e.g., tsunamis and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Bruno Adriano , Naoto Yokoya , Junshi Xia , Hiroyuki Miura , Wen Liu , Masashi Matsuoka , Shunichi Koshimura

Training deep models for LiDAR semantic segmentation is challenging due to the inherent sparsity of point clouds. Utilizing temporal data is a natural remedy against the sparsity problem as it makes the input signal denser. However,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xiaopei Wu , Yuenan Hou , Xiaoshui Huang , Binbin Lin , Tong He , Xinge Zhu , Yuexin Ma , Boxi Wu , Haifeng Liu , Deng Cai , Wanli Ouyang

Huge imbalance of different scenes' sample numbers seriously reduces Synthetic Aperture Radar (SAR) ship detection accuracy. Thus, to solve this problem, this letter proposes a Balance Scene Learning Mechanism (BSLM) for offshore and…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Tianwen Zhang , Xiaoling Zhang , Jun Shi , Shunjun Wei , Jianguo Wang , Jianwei Li , Hao Su , Yue Zhou

Synthetic Aperture Radar (SAR) imagery is the primary data type used for sea ice mapping due to its spatio-temporal coverage and the ability to detect sea ice independent of cloud and lighting conditions. Automatic sea ice detection using…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Martin S J Rogers , Maria Fox , Andrew Fleming , Louisa van Zeeland , Jeremy Wilkinson , J. Scott Hosking

Wall shear stress quantification is fundamental in fluid dynamics but remains challenging in wind-tunnel experiments. Sensor-based methods offer high accuracy but lack spatial resolution for capturing complex three-dimensional effects.…

Fluid Dynamics · Physics 2025-05-22 Lennart Rohlfs , Julien Weiss

Change detection plays a vital role in scene monitoring, exploration, and continual reconstruction. Existing 3D change detection methods often exhibit spatial inconsistency in the detected changes and fail to explicitly separate pre- and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-30 Zirui Zhou , Junfeng Ni , Shujie Zhang , Yixin Chen , Siyuan Huang

Photorealistic 3D scene reconstruction plays an important role in autonomous driving, enabling the generation of novel data from existing datasets to simulate safety-critical scenarios and expand training data without additional acquisition…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Pou-Chun Kung , Xianling Zhang , Katherine A. Skinner , Nikita Jaipuria

The advancement of multi-channel synthetic aperture radar (SAR) system is considered as an upgraded technology for surveillance activities. SAR sensors onboard provide data for coastal ocean surveillance and a view of the oceanic surface…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Surya Prakash Tiwari , Sudhir Kumar Chaturvedi , Subhrangshu Adhikary , Saikat Banerjee , Sourav Basu

Onsite disasters like earthquakes can trigger cascading hazards and impacts, such as landslides and infrastructure damage, leading to catastrophic losses; thus, rapid and accurate estimates are crucial for timely and effective post-disaster…

Machine Learning · Computer Science 2024-03-21 Xuechun Li , Paula M. Burgi , Wei Ma , Hae Young Noh , David J. Wald , Susu Xu

Current deep learning-based object detection for Synthetic Aperture Radar (SAR) imagery mainly adopts optical image methods, treating targets as texture patches while ignoring inherent electromagnetic scattering mechanisms. Though…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiacheng Chen , Yuxuan Xiong , Haipeng Wang

Online change detection (OCD) aims to rapidly identify change points in streaming data and is critical in applications such as power system monitoring, wireless network sensing, and financial anomaly detection. Existing OCD methods…

Machine Learning · Computer Science 2025-11-18 Zelin Zhu , Yancheng Huang , Kai Yang

The recognition or understanding of the scenes observed with a SAR system requires a broader range of cues, beyond the spatial context. These encompass but are not limited to: imaging geometry, imaging mode, properties of the Fourier…

Image and Video Processing · Electrical Eng. & Systems 2023-01-11 Mihai Datcu , Zhongling Huang , Andrei Anghel , Juanping Zhao , Remus Cacoveanu

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