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Underwater Camouflaged Object Detection (UCOD) is a challenging task due to the extreme visual similarity between targets and backgrounds across varying marine depths. Existing methods often struggle with topological fragmentation of…

Computer Vision and Pattern Recognition · Computer Science 2026-02-04 Wenji Wu , Shuo Ye , Yiyu Liu , Jiguang He , Zhuo Wang , Zitong Yu

Responding to the challenge of detecting unusual radar targets in a well identified environment, innovative anomaly and novelty detection methods keep emerging in the literature. This work aims at presenting a benchmark gathering common and…

Signal Processing · Electrical Eng. & Systems 2021-06-22 Martin Bauw , Santiago Velasco-Forero , Jesus Angulo , Claude Adnet , Olivier Airiau

The Shack-Hartmann wavefront sensor is widely used to measure aberrations induced by atmospheric turbulence in adaptive optics systems. However if there exists strong atmospheric turbulence or the brightness of guide stars is low, the…

Instrumentation and Methods for Astrophysics · Physics 2021-04-14 Peng Jia , Mingyang Ma , Dongmei Cai , Weihua Wang , Juanjuan Li , Can Li

Recent real-time detection transformers have gained popularity due to their simplicity and efficiency. However, these detectors do not explicitly model object rotation, especially in remote sensing imagery where objects appear at arbitrary…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Zeyu Ding , Yong Zhou , Jiaqi Zhao , Wen-Liang Du , Xixi Li , Rui Yao , Abdulmotaleb El Saddik

For deployment on an embedded processor for autonomous driving, the object detection network should satisfy all of the accuracy, real-time inference, and light model size requirements. Conventional deep CNN-based detectors aim for high…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Seontaek Oh , Ji-Hwan You , Young-Keun Kim

Arbitrary-shaped text detection has recently attracted increasing interests and witnessed rapid development with the popularity of deep learning algorithms. Nevertheless, existing approaches often obtain inaccurate detection results, mainly…

Computer Vision and Pattern Recognition · Computer Science 2021-07-14 Tao Sheng , Zhouhui Lian

Traditional nearest points methods use all the samples in an image set to construct a single convex or affine hull model for classification. However, strong artificial features and noisy data may be generated from combinations of training…

Computer Vision and Pattern Recognition · Computer Science 2014-08-27 Shaokang Chen , Arnold Wiliem , Conrad Sanderson , Brian C. Lovell

Fine-grained object detection (FGOD) extends object detection with the capability of fine-grained recognition. In recent two-stage FGOD methods, the region proposal serves as a crucial link between detection and fine-grained recognition.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Wentao Li , Danpei Zhao , Bo Yuan , Yue Gao , Zhenwei Shi

Starting from 2021, more demanding $\text{NO}_\text{x}$ emission restrictions were introduced for ships operating in the North and Baltic Sea waters. Since all methods currently used for ship compliance monitoring are financially and time…

Machine Learning · Computer Science 2023-04-10 Solomiia Kurchaba , Jasper van Vliet , Fons J. Verbeek , Cor J. Veenman

Head pose estimation is a challenging task that aims to solve problems related to predicting three dimensions vector, that serves for many applications in human-robot interaction or customer behavior. Previous researches have proposed some…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Linh Nguyen Viet , Tuan Nguyen Dinh , Hoang Nguyen Viet , Duc Tran Minh , Long Tran Quoc

Segment Anything Model (SAM) is an advanced foundational model for image segmentation, which is gradually being applied to remote sensing images (RSIs). Due to the domain gap between RSIs and natural images, traditional methods typically…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Nanqing Liu , Xun Xu , Yongyi Su , Haojie Zhang , Heng-Chao Li

Maritime object detection faces essential challenges due to the small target size and limitations of labeled real RGB data. This paper will present a real-time object detection system based on RT-DETR, enhanced by employing augmented…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Nader Nemati

Due to the growing amount of data from in-situ sensors in wastewater systems, it becomes necessary to automatically identify abnormal behaviours and ensure high data quality. This paper proposes an anomaly detection method based on a deep…

Signal Processing · Electrical Eng. & Systems 2020-03-09 Stefania Russo , Andy Disch , Frank Blumensaat , Kris Villez

A methodology based on deep recurrent models for maritime surveillance, over publicly available Automatic Identification System (AIS) data, is presented in this paper. The setup employs a deep Recurrent Neural Network (RNN)-based model, for…

Machine Learning · Computer Science 2024-06-17 Constantine Maganaris , Eftychios Protopapadakis , Nikolaos Doulamis

Grasp is an essential skill for robots to interact with humans and the environment. In this paper, we build a vision-based, robust and real-time robotic grasp approach with fully convolutional neural network. The main component of our…

Robotics · Computer Science 2018-09-19 Hanbo Zhang , Xinwen Zhou , Xuguang Lan , Jin Li , Zhiqiang Tian , Nanning Zheng

Medical image segmentation requires large annotated datasets, creating a significant bottleneck for clinical applications. While few-shot segmentation methods can learn from minimal examples, existing approaches demonstrate suboptimal…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Ziyuan Gao

Recently, three-dimensional (3D) detection based on stereo images has progressed remarkably; however, most advanced methods adopt anchor-based two-dimensional (2D) detection or depth estimation to address this problem. Nevertheless, high…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Yuguang Shi , Yu Guo , Zhenqiang Mi , Xinjie Li

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

Ship detection needs to identify ship locations from remote sensing (RS) scenes. Due to different imaging payloads, various appearances of ships, and complicated background interference from the bird's eye view, it is difficult to set up a…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Wei Zhang , Miaoxin Cai , Tong Zhang , Guoqiang Lei , Yin Zhuang , Xuerui Mao

Beyond the choice of wavefront control systems or coronographs, advanced data processing methods play a crucial role in disentangling potential planetary signals from bright quasi-static speckles. Among these methods, angular differential…

Instrumentation and Methods for Astrophysics · Physics 2020-01-22 Carl-Henrik Dahlqvist , Faustine Cantalloube , Olivier Absil