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Due to the selective absorption and scattering of light by diverse aquatic media, underwater images usually suffer from various visual degradations. Existing underwater image enhancement (UIE) approaches that combine underwater physical…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Dazhao Du , Lingyu Si , Fanjiang Xu , Jianwei Niu , Fuchun Sun

Clean energy from oceans and rivers is becoming a reality with the development of new technologies like tidal and instream turbines that generate electricity from naturally flowing water. These new technologies are being monitored for…

Computer Vision and Pattern Recognition · Computer Science 2018-11-06 Wenwei Xu , Shari Matzner

Maritime Multi-Scene Recognition is crucial for enhancing the capabilities of intelligent marine robotics, particularly in applications such as marine conservation, environmental monitoring, and disaster response. However, this task…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Xinyu Xi , Hua Yang , Shentai Zhang , Yijie Liu , Sijin Sun , Xiuju Fu

Degraded underwater images decrease the accuracy of underwater object detection. However, existing methods for underwater image enhancement mainly focus on improving the indicators in visual aspects, which may not benefit the tasks of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Jian Zhang , Ruiteng Zhang , Xinyue Yan , Xiting Zhuang , Ruicheng Cao

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

Underwater images normally suffer from degradation due to the transmission medium of water bodies. Both traditional prior-based approaches and deep learning-based methods have been used to address this problem. However, the inflexible…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Shixuan Xu , Hao Qi , Wei Wang , Chao Huang , Jie Wen , Junyu Dong , Xinghui Dong

Extending state-of-the-art object detectors from image to video is challenging. The accuracy of detection suffers from degenerated object appearances in videos, e.g., motion blur, video defocus, rare poses, etc. Existing work attempts to…

Computer Vision and Pattern Recognition · Computer Science 2017-08-21 Xizhou Zhu , Yujie Wang , Jifeng Dai , Lu Yuan , Yichen Wei

Object detection is crucial in various cutting-edge applications, such as autonomous vehicles and advanced robotics systems, primarily relying on data from conventional frame-based RGB sensors. However, these sensors often struggle with…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Diego A. Silva , Kamilya Smagulova , Ahmed Elsheikh , Mohammed E. Fouda , Ahmed M. Eltawil

Recent visual object tracking methods have witnessed a continuous improvement in the state-of-the-art with the development of efficient discriminative correlation filters (DCF) and robust deep neural network features. Despite the…

Computer Vision and Pattern Recognition · Computer Science 2020-06-02 Tianyang Xu , Zhen-Hua Feng , Xiao-Jun Wu , Josef Kittler

Multi-frame methods improve monocular depth estimation over single-frame approaches by aggregating spatial-temporal information via feature matching. However, the spatial-temporal feature leads to accuracy degradation in dynamic scenes. To…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Jiquan Zhong , Xiaolin Huang , Xiao Yu

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

Evidence from many low and middle income regions shows that microbial contamination in small scale drinking water systems often fluctuates rapidly, yet existing monitoring tools capture only fragments of this behaviour. Microscopic imaging…

Computation and Language · Computer Science 2025-12-09 Sepyan Purnama Kristanto , Lutfi Hakim , Hermansyah

Due to the complex interplay of light absorption and scattering in the underwater environment, underwater images experience significant degradation. This research presents a two-stage underwater image enhancement network called the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-18 Han Mei , Kunqian Li , Shuaixin Liu , Chengzhi Ma , Qianli Jiang

The success of deep learning in intelligent ship visual perception relies heavily on rich image data. However, dedicated datasets for inland waterway vessels remain scarce, limiting the adaptability of visual perception systems in complex…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Shanshan Wang , Haixiang Xu , Hui Feng , Xiaoqian Wang , Pei Song , Sijie Liu , Jianhua He

Owing to refraction, absorption, and scattering of light by suspended particles in water, raw underwater images suffer from low contrast, blurred details, and color distortion. These characteristics can significantly interfere with the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-24 Yuan Zhou , Kangming Yan

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

Quality degradation is observed in underwater images due to the effects of light refraction and absorption by water, leading to issues like color cast, haziness, and limited visibility. This degradation negatively affects the performance of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 MD Raqib Khan , Anshul Negi , Ashutosh Kulkarni , Shruti S. Phutke , Santosh Kumar Vipparthi , Subrahmanyam Murala

Due to complex and volatile lighting environment, underwater imaging can be readily impaired by light scattering, warping, and noises. To improve the visual quality, Underwater Image Enhancement (UIE) techniques have been widely studied.…

Computer Vision and Pattern Recognition · Computer Science 2025-08-01 Yannan Zheng , Weiling Chen , Rongfu Lin , Tiesong Zhao

To overcome the constraints of the underwater environment and improve the accuracy and robustness of underwater target detection models, this paper develops a specialized dataset for underwater target detection and proposes an efficient…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Chang Liu

The underwater images usually suffers from non-uniform lighting, low contrast, blur and diminished colors. In this paper, we proposed an image based preprocessing technique to enhance the quality of the underwater images. The proposed…

Computer Vision and Pattern Recognition · Computer Science 2012-12-04 C. J. Prabhakar , P. U. Praveen Kumar