English
Related papers

Related papers: UnitModule: A Lightweight Joint Image Enhancement …

200 papers

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

Restoring underwater images affected by non-uniform illumination (NUI) is essential to improve visual quality and usability in marine applications. Conventional methods often fall short in handling complex illumination patterns, while…

Image and Video Processing · Electrical Eng. & Systems 2025-09-30 Ezequiel Perez-Zarate , Chunxiao Liu , Oscar Ramos-Soto , Diego Oliva , Marco Perez-Cisneros

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

In recent years, significant progress has been made in image recognition technology based on deep neural networks. However, improving recognition performance under low-light conditions remains a significant challenge. This study addresses…

Computer Vision and Pattern Recognition · Computer Science 2025-01-09 Seitaro Ono , Yuka Ogino , Takahiro Toizumi , Atsushi Ito , Masato Tsukada

Detection pre-training methods for the DETR series detector have been extensively studied in natural scenes, e.g., DETReg. However, the detection pre-training remains unexplored in remote sensing scenes. In existing pre-training methods,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Ziyue Huang , Yongchao Feng , Qingjie Liu , Yunhong Wang

Traditional systems typically require different models for processing different modalities, such as one model for RGB images and another for depth images. Recent research has demonstrated that a single model for one modality can be adapted…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Xiaoke Shen , Ioannis Stamos

The light absorption and scattering of underwater impurities lead to poor underwater imaging quality. The existing data-driven based underwater image enhancement (UIE) techniques suffer from the lack of a large-scale dataset containing…

Computer Vision and Pattern Recognition · Computer Science 2023-07-05 Lintao Peng , Chunli Zhu , Liheng Bian

Raw underwater images are degraded due to wavelength dependent light attenuation and scattering, limiting their applicability in vision systems. Another factor that makes enhancing underwater images particularly challenging is the diversity…

Computer Vision and Pattern Recognition · Computer Science 2019-06-03 Pritish Uplavikar , Zhenyu Wu , Zhangyang Wang

Low light images captured in a non-uniform illumination environment usually are degraded with the scene depth and the corresponding environment lights. This degradation results in severe object information loss in the degraded image…

Computer Vision and Pattern Recognition · Computer Science 2020-08-03 Xin Xu , Shiqin Wang , Zheng Wang , Xiaolong Zhang , Ruimin Hu

In recent years, significant progress has been made in the field of underwater image enhancement (UIE). However, its practical utility for high-level vision tasks, such as underwater object detection (UOD) in Autonomous Underwater Vehicles…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Junjie Wen , Jinqiang Cui , Benyun Zhao , Bingxin Han , Xuchen Liu , Zhi Gao , Ben M. Chen

Recent works have shown that combining object detection and tracking tasks, in the case of video data, results in higher performance for both tasks, but they require a high frame-rate as a strict requirement for performance. This is…

Computer Vision and Pattern Recognition · Computer Science 2020-05-26 Bharti Munjal , Abdul Rafey Aftab , Sikandar Amin , Meltem D. Brandlmaier , Federico Tombari , Fabio Galasso

Underwater monocular depth estimation serves as the foundation for tasks such as 3D reconstruction of underwater scenes. However, due to the influence of light and medium, the underwater environment undergoes a distinctive imaging process,…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Jian Wang , Jing Wang , Shenghui Rong , Bo He

Underwater images suffer from severe degradations, including color distortions, reduced visibility, and loss of structural details due to wavelength-dependent attenuation and scattering. Existing enhancement methods primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK

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

Underwater optical imaging is severely degraded by light absorption, scattering, and color distortion, hindering visibility and accurate image analysis. This paper presents an adaptive enhancement framework integrating illumination…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Yuezhe Tian , Kangchen Yao , Xiaoyang Yu

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

Underwater scenes intrinsically involve degradation problems owing to heterogeneous ocean elements. Prevailing underwater image enhancement (UIE) methods stick to straightforward feature modeling to learn the mapping function, which leads…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Zhixiong Huang , Xinying Wang , Chengpei Xu , Jinjiang Li , Lin Feng

Underwater images often exhibit poor quality, distorted color balance and low contrast due to the complex and intricate interplay of light, water, and objects. Despite the significant contributions of previous underwater enhancement…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Weiwen Chen , Yingtie Lei , Shenghong Luo , Ziyang Zhou , Mingxian Li , Chi-Man Pun

High-quality underwater images are essential for both machine vision tasks and viewers with their aesthetic appeal.However, the quality of underwater images is severely affected by light absorption and scattering. Deep learning-based…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Jiangzhong Cao , Zekai Zeng , Xu Zhang , Huan Zhang , Chunling Fan , Gangyi Jiang , Weisi Lin

Underwater object detection has higher requirements of running speed and deployment efficiency for the detector due to its specific environmental challenges. NMS of two- or one-stage object detectors and transformer architecture of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Zhuoyan Liu , Bo Wang , Bing Wang , Ye Li