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Underwater object detection (UOD) is crucial for marine economic development, environmental protection, and the planet's sustainable development. The main challenges of this task arise from low-contrast, small objects, and mimicry of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Linhui Dai , Hong Liu , Pinhao Song , Hao Tang , Runwei Ding , Shengquan Li

Underwater environments pose significant challenges due to the selective absorption and scattering of light by water, which affects image clarity, contrast, and color fidelity. To overcome these, we introduce OceanLens, a method that models…

Image and Video Processing · Electrical Eng. & Systems 2024-11-21 Rajini Makam , Dhatri Shankari T M , Sharanya Patil , Suresh Sundram

Underwater degraded images greatly challenge existing algorithms to detect objects of interest. Recently, researchers attempt to adopt attention mechanisms or composite connections for improving the feature representation of detectors.…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Chenping Fu , Wanqi Yuan , Jiewen Xiao , Risheng Liu , Xin Fan

The paper proposes a method to effectively fuse multi-exposure inputs and generate high-quality high dynamic range (HDR) images with unpaired datasets. Deep learning-based HDR image generation methods rely heavily on paired datasets. The…

Image and Video Processing · Electrical Eng. & Systems 2022-07-18 Ru Li , Chuan Wang , Jue Wang , Guanghui Liu , Heng-Yu Zhang , Bing Zeng , Shuaicheng Liu

Underwater object detection (UOD) is vital to diverse marine applications, including oceanographic research, underwater robotics, and marine conservation. However, UOD faces numerous challenges that compromise its performance. Over the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Edwine Nabahirwa , Wei Song , Minghua Zhang , Yi Fang , Zhou Ni

Pancreatic ductal adenocarcinoma (PDAC) presents a critical global health challenge, and early detection is crucial for improving the 5-year survival rate. Recent medical imaging and computational algorithm advances offer potential…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Yu Shi , Hannah Tang , Michael Baine , Michael A. Hollingsworth , Huijing Du , Dandan Zheng , Chi Zhang , Hongfeng Yu

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

Underwater object detection for robot picking has attracted a lot of interest. However, it is still an unsolved problem due to several challenges. We take steps towards making it more realistic by addressing the following challenges.…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Chongwei Liu , Haojie Li , Shuchang Wang , Ming Zhu , Dong Wang , Xin Fan , Zhihui Wang

We present semi-supervised deep learning approaches for traversability estimation from fisheye images. Our method, GONet, and the proposed extensions leverage Generative Adversarial Networks (GANs) to effectively predict whether the area…

Robotics · Computer Science 2018-03-09 Noriaki Hirose , Amir Sadeghian , Marynel Vázquez , Patrick Goebel , Silvio Savarese

Underwater fish detection (UFD) remains a challenging task in computer vision due to low object resolution, significant background interference, and high visual similarity between targets and surroundings. Existing approaches primarily…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Jinsong Yang , Zeyuan Hu , Yichen Li

In this paper, we introduce a generative model for image enhancement specifically for improving diver detection in the underwater domain. In particular, we present a model that integrates generative adversarial network (GAN)-based image…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Chelsey Edge , Md Jahidul Islam , Christopher Morse , Junaed Sattar

This paper reports on WaterGAN, a generative adversarial network (GAN) for generating realistic underwater images from in-air image and depth pairings in an unsupervised pipeline used for color correction of monocular underwater images.…

Computer Vision and Pattern Recognition · Computer Science 2017-10-27 Jie Li , Katherine A. Skinner , Ryan M. Eustice , Matthew Johnson-Roberson

Point clouds acquired from range scans are often sparse, noisy, and non-uniform. This paper presents a new point cloud upsampling network called PU-GAN, which is formulated based on a generative adversarial network (GAN), to learn a rich…

Computer Vision and Pattern Recognition · Computer Science 2019-07-26 Ruihui Li , Xianzhi Li , Chi-Wing Fu , Daniel Cohen-Or , Pheng-Ann Heng

Detecting camouflaged objects in underwater environments is crucial for marine ecological research and resource exploration. However, existing methods face two key challenges: underwater image degradation, including low contrast and color…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Xinxin Huang , Han Sun , Junmin Cai , Ningzhong Liu , Huiyu Zhou

Image deraining plays a pivotal role in low-level computer vision, serving as a prerequisite for robust outdoor surveillance and autonomous driving systems. While deep learning paradigms have achieved remarkable success in firmly aligned…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Kangbo Zhao , Miaoxin Guan , Xiang Chen , Yukai Shi , Jinshan Pan

It is widely known that very small datasets produce overfitting in Deep Neural Networks (DNNs), i.e., the network becomes highly biased to the data it has been trained on. This issue is often alleviated using transfer learning,…

Computer Vision and Pattern Recognition · Computer Science 2020-07-02 Manuel Rey-Area , Emilio Guirado , Siham Tabik , Javier Ruiz-Hidalgo

The paper presents a novel technique for creating a 6D pose estimation dataset for marine vessels by fusing monocular RGB images with Automatic Identification System (AIS) data. The proposed technique addresses the limitations of relying…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Fabian Holst , Emre Gülsoylu , Simone Frintrop

Recent advances in deep learning, particularly neural networks, have significantly impacted a wide range of fields, including the automatic enhancement of underwater images. This paper presents a deep learning-based approach to improving…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Jose M. Montero , Jose-Luis Lisani

We propose a new approach to train the Generative Adversarial Nets (GANs) with a mixture of generators to overcome the mode collapsing problem. The main intuition is to employ multiple generators, instead of using a single one as in the…

Machine Learning · Computer Science 2017-10-31 Quan Hoang , Tu Dinh Nguyen , Trung Le , Dinh Phung

Object detection in Unmanned Aerial Vehicle (UAV) images poses significant challenges due to complex scale variations and class imbalance among objects. Existing methods often address these challenges separately, overlooking the intricate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Zhenteng Li , Sheng Lian , Dengfeng Pan , Youlin Wang , Wei Liu