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With the increasing prevalence of drones in various industries, the navigation and tracking of unmanned aerial vehicles (UAVs) in challenging environments, particularly GNSS-denied areas, have become crucial concerns. To address this need,…

Robotics · Computer Science 2023-10-16 Iacopo Catalano , Xianjia Yu , Jorge Pena Queralta

Underwater image enhancement algorithms have attracted much attention in underwater vision task. However, these algorithms are mainly evaluated on different data sets and different metrics. In this paper, we set up an effective and pubic…

Image and Video Processing · Electrical Eng. & Systems 2019-07-02 Hanyu Li , Jingjing Li , Wei Wang

Visual object tracking is an important computer vision problem with numerous real-world applications including human-computer interaction, autonomous vehicles, robotics, motion-based recognition, video indexing, surveillance and security.…

Computer Vision and Pattern Recognition · Computer Science 2018-02-15 Mustansar Fiaz , Arif Mahmood , Soon Ki Jung

Unmanned aerial vehicle (UAV) tracking is critical for applications like surveillance, search-and-rescue, and autonomous navigation. However, the high-speed movement of UAVs and targets introduces unique challenges, including real-time…

Computer Vision and Pattern Recognition · Computer Science 2025-08-22 You Wu , Xucheng Wang , Dan Zeng , Hengzhou Ye , Xiaolan Xie , Qijun Zhao , Shuiwang Li

We introduce COU: Common Objects Underwater, an instance-segmented image dataset of commonly found man-made objects in multiple aquatic and marine environments. COU contains approximately 10K segmented images, annotated from images…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Rishi Mukherjee , Sakshi Singh , Jack McWilliams , Junaed Sattar

Autonomous underwater robots working with teams of human divers may need to distinguish between different divers, e.g. to recognize a lead diver or to follow a specific team member. This paper describes a technique that enables autonomous…

Robotics · Computer Science 2019-10-23 Karin de Langis , Junaed Sattar

Underwater cameras are widely used to observe the sea floor. They are usually included in autonomous underwater vehicles, unmanned underwater vehicles, and in situ ocean sensor networks. Despite being an important sensor for monitoring…

Computer Vision and Pattern Recognition · Computer Science 2017-02-14 Huimin Lu , Yujie Li , Yudong Zhang , Min Chen , Seiichi Serikawa , Hyoungseop Kim

Visual object tracking has boosted extensive intelligent applications for unmanned aerial vehicles (UAVs). However, the state-of-the-art (SOTA) enhancers for nighttime UAV tracking always neglect the uneven light distribution in low-light…

Computer Vision and Pattern Recognition · Computer Science 2024-09-26 Liangliang Yao , Changhong Fu , Yiheng Wang , Haobo Zuo , Kunhan Lu

In an underwater scene, wavelength-dependent light absorption and scattering degrade the visibility of images, causing low contrast and distorted color casts. To address this problem, we propose a convolutional neural network based image…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Saeed Anwar , Chongyi Li , Fatih Porikli

Underwater object detection (UOD) plays a significant role in aquaculture and marine environmental protection. Considering the challenges posed by low contrast and low-light conditions in underwater environments, several underwater image…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Linhui Dai , Hong Liu , Pinhao Song , Mengyuan Liu

Underwater observation systems typically integrate optical cameras and imaging sonar systems. When underwater visibility is insufficient, only sonar systems can provide stable data, which necessitates exploration of the underwater acoustic…

Computer Vision and Pattern Recognition · Computer Science 2025-04-23 Yunfeng Li , Bo Wang , Jiahao Wan , Xueyi Wu , Ye Li

A long-term visual object tracking performance evaluation methodology and a benchmark are proposed. Performance measures are designed by following a long-term tracking definition to maximize the analysis probing strength. The new measures…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Alan Lukežič , Ugur Kart , Jani Käpylä , Ahmed Durmush , Joni-Kristian Kämäräinen , Jiří Matas , Matej Kristan

Underwater images are degraded by the selective attenuation of light that distorts colours and reduces contrast. The degradation extent depends on the water type, the distance between an object and the camera, and the depth under the water…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Chau Yi Li , Riccardo Mazzon , Andrea Cavallaro

In recent years, deep learning-based visual object trackers have achieved state-of-the-art performance on several visual object tracking benchmarks. However, most tracking benchmarks are focused on ground level videos, whereas aerial…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Abu Md Niamul Taufique , Breton Minnehan , Andreas Savakis

Underwater imagery is often compromised by factors such as color distortion and low contrast, posing challenges for high-level vision tasks. Recent underwater image restoration (UIR) methods either analyze the input image at full…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Alik Pramanick , Arijit Sur , V. Vijaya Saradhi

We consider the task of underwater robot navigation for the purpose of collecting scientifically relevant video data for environmental monitoring. The majority of field robots that currently perform monitoring tasks in unstructured natural…

Transformers have been successfully applied to the visual tracking task and significantly promote tracking performance. The self-attention mechanism designed to model long-range dependencies is the key to the success of Transformers.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Zhihong Fu , Zehua Fu , Qingjie Liu , Wenrui Cai , Yunhong Wang

Underwater image enhancement (UIE) presents a significant challenge within computer vision research. Despite the development of numerous UIE algorithms, a thorough and systematic review is still absent. To foster future advancements, we…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Xiaofeng Cong , Yu Zhao , Jie Gui , Junming Hou , Dacheng Tao

Convolutional neural networks (CNN) based tracking approaches have shown favorable performance in recent benchmarks. Nonetheless, the chosen CNN features are always pre-trained in different task and individual components in tracking systems…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Zheng Zhu , Guan Huang , Wei Zou , Dalong Du , Chang Huang

Visual object tracking and segmentation in omnidirectional videos are challenging due to the wide field-of-view and large spherical distortion brought by 360{\deg} images. To alleviate these problems, we introduce a novel representation,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Yinzhe Xu , Huajian Huang , Yingshu Chen , Sai-Kit Yeung
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