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Object detection and instance segmentation in remote sensing images is a fundamental and challenging task, due to the complexity of scenes and targets. The latest methods tried to take into account both the efficiency and the accuracy of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-31 Zhenhang Huang , Shihao Sun , Ruirui Li

Ship detection is of great importance and full of challenges in the field of remote sensing. The complexity of application scenarios, the redundancy of detection region, and the difficulty of dense ship detection are all the main obstacles…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Xue Yang , Hao Sun , Xian Sun , Menglong Yan , Zhi Guo , Kun Fu

We present a robust multi-robot convoying approach that relies on visual detection of the leading agent, thus enabling target following in unstructured 3-D environments. Our method is based on the idea of tracking-by-detection, which…

The goal of object navigation is to reach the expected objects according to visual information in the unseen environments. Previous works usually implement deep models to train an agent to predict actions in real-time. However, in the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-10 Sixian Zhang , Xinhang Song , Yubing Bai , Weijie Li , Yakui Chu , Shuqiang Jiang

Infrared sensing is a core method for supporting unmanned systems, such as autonomous vehicles and drones. Recently, infrared sensors have been widely deployed on mobile and stationary platforms for detection and classification of objects…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Zhengeng Yang , Hongshan Yu , Jianjun Zhang , Qiang Tang , Ajmal Mian

Underwater navigation presents several challenges, including unstructured unknown environments, lack of reliable localization systems (e.g., GPS), and poor visibility. Furthermore, good-quality obstacle detection sensors for underwater…

Robotics · Computer Science 2022-12-09 Pengzhi Yang , Haowen Liu , Monika Roznere , Alberto Quattrini Li

Oriented object detection, an emerging task in recent years, aims to identify and locate objects across varied orientations. This requires the detector to accurately capture the orientation information, which varies significantly within and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-01 Jiangshan Wang , Yifan Pu , Yizeng Han , Jiayi Guo , Yiru Wang , Xiu Li , Gao Huang

We propose in this paper a tracking algorithm which is able to adapt itself to different scene contexts. A feature pool is used to compute the matching score between two detected objects. This feature pool includes 2D, 3D displacement…

Computer Vision and Pattern Recognition · Computer Science 2011-12-07 Duc Phu Chau , François Bremond , Monique Thonnat

A cost effective approach to remote monitoring of protected areas such as marine reserves and restricted naval waters is to use passive sonar to detect, classify, localize, and track marine vessel activity (including small boats and…

Sound · Computer Science 2017-10-30 Eric L. Ferguson , Rishi Ramakrishnan , Stefan B. Williams , Craig T. Jin

Self-supervised learning has proved to be a powerful approach to learn image representations without the need of large labeled datasets. For underwater robotics, it is of great interest to design computer vision algorithms to improve…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Alan Preciado-Grijalva , Bilal Wehbe , Miguel Bande Firvida , Matias Valdenegro-Toro

In this paper, we tackle the challenging task of unsupervised salient object detection (SOD) by leveraging spectral clustering on self-supervised features. We make the following contributions: (i) We revisit spectral clustering and…

Computer Vision and Pattern Recognition · Computer Science 2022-03-24 Gyungin Shin , Samuel Albanie , Weidi Xie

Autonomous shipping has recently gained much interest in the research community. However, little research focuses on inland - and port navigation, even though this is identified by countries such as Belgium and the Netherlands as an…

Accurate perception of dynamic obstacles is essential for autonomous robot navigation in indoor environments. Although sophisticated 3D object detection and tracking methods have been investigated and developed thoroughly in the fields of…

Robotics · Computer Science 2025-03-03 Zhefan Xu , Haoyu Shen , Xinming Han , Hanyu Jin , Kanlong Ye , Kenji Shimada

Object detection in sonar images is crucial for underwater robotics applications including autonomous navigation and resource exploration. However, complex noise patterns inherent in sonar imagery, particularly speckle, reverberation, and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Ziyu Wang , Tao Xue , Jingyuan Li , Haibin Zhang , Zhiqiang Xu , Gaofei Xu , Zhen Wang , Yanbin Wang , Zhiquan Liu

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

For aquaculture resource evaluation and ecological environment monitoring, automatic detection and identification of marine organisms is critical. However, due to the low quality of underwater images and the characteristics of underwater…

Computer Vision and Pattern Recognition · Computer Science 2022-05-23 Zheng Liu , Yaoming Zhuang , Pengrun Jia , Chengdong Wu , Hongli Xu ang Zhanlin Liu

Numerous maritime applications rely on the ability to recognize acoustic targets using passive sonar. While there is a growing reliance on pre-trained models for classification tasks, these models often require extensive computational…

Machine Learning · Computer Science 2025-03-19 Atharva Agashe , Davelle Carreiro , Alexandra Van Dine , Joshua Peeples

In this work, we propose an extension of conventional image data by an additional channel in which the associated projection properties are encoded. This addresses the issue of sensor-dependent object representation in projection-based…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Hannes Reichert , Manuel Hetzel , Steven Schreck , Konrad Doll , Bernhard Sick

Small object detection (SOD) in optical images and videos is a challenging problem that even state-of-the-art generic object detection methods fail to accurately localize and identify such objects. Typically, small objects appear in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Aref Miri Rekavandi , Lian Xu , Farid Boussaid , Abd-Krim Seghouane , Stephen Hoefs , Mohammed Bennamoun

To improve ATR identification of ships at sea requires an advanced ISAR processor - one that not only provides focused images but can also determine the pose of the ship. This tells us whether the image shows a profile (vertical plane)…

Signal Processing · Electrical Eng. & Systems 2025-04-21 John R. Bennett