English
Related papers

Related papers: Scene-aware SAR ship detection guided by unsupervi…

200 papers

This letter presents an effective method for assessing the feasibility of detecting ocean ships using spaceborne synthetic aperture radar (SAR). The technique employs the minimum detectable radar cross-section criterion under specified…

Signal Processing · Electrical Eng. & Systems 2025-06-18 Anatolii Kononov

Unmanned Aerial Vehicles (UAVs) are crucial in Search and Rescue (SAR) missions due to their ability to monitor vast maritime areas. However, small objects often remain difficult to detect from high altitudes due to low object-to-background…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Sakib Ahmed , Oscar Pizarro

Despite the importance of unsupervised object detection, to the best of our knowledge, there is no previous work addressing this problem. One main issue, widely known to the community, is that object boundaries derived only from 2D image…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Hao Tian , Yuntao Chen , Jifeng Dai , Zhaoxiang Zhang , Xizhou Zhu

Knowledge about historic landslide event occurrence is important for supporting disaster risk reduction strategies. Building upon findings from 2022 Landslide4Sense Competition, we propose a deep neural network based system for landslide…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Cam Le , Lam Pham , Jasmin Lampert , Matthias Schlögl , Alexander Schindler

Unsupervised skin lesion segmentation offers several benefits, including conserving expert human resources, reducing discrepancies due to subjective human labeling, and adapting to novel environments. However, segmenting dermoscopic images…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xiaofan Li , Bo Peng , Jie Hu , Changyou Ma , Daipeng Yang , Zhuyang Xie

This research paper presents an innovative ship detection system tailored for applications like maritime surveillance and ecological monitoring. The study employs YOLOv8 and repurposed U-Net, two advanced deep learning models, to…

Image and Video Processing · Electrical Eng. & Systems 2025-03-20 Bibi Erum Ayesha , T. Satyanarayana Murthy , Palamakula Ramesh Babu , Ramu Kuchipudi

In the current salient object detection network, the most popular method is using U-shape structure. However, the massive number of parameters leads to more consumption of computing and storage resources which are not feasible to deploy on…

Computer Vision and Pattern Recognition · Computer Science 2021-12-21 Bin Zhang , Yang Wu , Xiaojing Zhang , Ming Ma

The outstanding pattern recognition performance of deep learning brings new vitality to the synthetic aperture radar (SAR) automatic target recognition (ATR). However, there is a limitation in current deep learning based ATR solution that…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Fan Zhang , Chen Hu , Qiang Yin , Wei Li , Hengchao Li , Wen Hong

Synthetic Aperture Radar (SAR) offers a unique capability for all-weather, space-based maritime activity monitoring by capturing and imaging strong reflections from ships at sea. A well-defined challenge in this domain is ship type…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Benyamin Hosseiny , Kamirul Kamirul , Odysseas Pappas , Alin Achim

In order to analyse synthetic aperture radar (SAR) images of the sea surface, ship wake detection is essential for extracting information on the wake generating vessels. One possibility is to assume a linear model for wakes, in which case…

Signal Processing · Electrical Eng. & Systems 2020-05-13 Oktay Karakuş , Igor Rizaev , Alin Achim

Recent advancements in synthetic aperture radar (SAR) ship detection using deep learning have significantly improved accuracy and speed, yet effectively detecting small objects in complex backgrounds with fewer parameters remains a…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Hongyu Chen , Chengcheng Chen , Fei Wang , Yuhu Shi , Weiming Zeng

Modern autonomous systems often rely on LiDAR scanners, in particular for autonomous driving scenarios. In this context, reliable scene understanding is indispensable. Current learning-based methods typically try to achieve maximum…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Kshitij Sirohi , Sajad Marvi , Daniel Büscher , Wolfram Burgard

Shape deformation of targets in SAR image due to random orientation and partial information loss caused by occlusion of the radar signal, is an essential challenge in SAR ship detection. In this paper, we propose a data augmentation method…

Computer Vision and Pattern Recognition · Computer Science 2022-02-15 Taeyong Song , Sunok Kim , SungTai Kim , Jaeseok Lee , Kwanghoon Sohn

Small-sized unmanned surface vehicles (USV) are coastal water devices with a broad range of applications such as environmental control and surveillance. A crucial capability for autonomous operation is obstacle detection for timely reaction…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Borja Bovcon , Jon Muhovič , Duško Vranac , Dean Mozetič , Janez Perš , Matej Kristan

Object detection in satellite-borne Synthetic Aperture Radar (SAR) imagery holds immense potential in tasks such as urban monitoring and disaster response. However, the inherent complexities of SAR data and the scarcity of annotations…

Computer Vision and Pattern Recognition · Computer Science 2025-04-21 Yasin Almalioglu , Andrzej Kucik , Geoffrey French , Dafni Antotsiou , Alexander Adam , Cedric Archambeau

Obstacle detection by semantic segmentation shows a great promise for autonomous navigation in unmanned surface vehicles (USV). However, existing methods suffer from poor estimation of the water edge in the presence of visual ambiguities,…

Computer Vision and Pattern Recognition · Computer Science 2020-01-08 Borja Bovcon , Matej Kristan

Planetary rover systems need to perform terrain segmentation to identify drivable areas as well as identify specific types of soil for sample collection. The latest Martian terrain segmentation methods rely on supervised learning which is…

Computer Vision and Pattern Recognition · Computer Science 2022-02-03 Edwin Goh , Jingdao Chen , Brian Wilson

The transition of seaweed farming to an alternative food source on an industrial scale relies on automating its processes through smart farming, equivalent to land agriculture. Key to this process are autonomous underwater vehicles (AUVs)…

Robotics · Computer Science 2025-10-01 Julian Valdez , Ignacio Torroba , John Folkesson , Ivan Stenius

Recently, change detection methods for synthetic aperture radar (SAR) images based on convolutional neural networks (CNN) have gained increasing research attention. However, existing CNN-based methods neglect the interactions among…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Desen Meng , Feng Gao , Junyu Dong , Qian Du , Heng-Chao Li

Vision foundation models such as Contrastive Vision-Language Pre-training (CLIP) and Segment Anything (SAM) have demonstrated impressive zero-shot performance on image classification and segmentation tasks. However, the incorporation of…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Runnan Chen , Youquan Liu , Lingdong Kong , Nenglun Chen , Xinge Zhu , Yuexin Ma , Tongliang Liu , Wenping Wang