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Aiming at the problems of color distortion, blur and excessive noise of underwater image, an underwater image enhancement algorithm based on structure-texture reconstruction is proposed. Firstly, the color equalization of the degraded image…

Image and Video Processing · Electrical Eng. & Systems 2020-04-14 Sen Lin , Kaichen Chi

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

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

Depth information plays a crucial role in autonomous systems for environmental perception and robot state estimation. With the rapid development of deep neural network technology, depth estimation has been extensively studied and shown…

Robotics · Computer Science 2024-11-11 Quang Truong Nguyen , Thanh Nguyen Canh , Xiem HoangVan

Underwater images are often affected by light refraction and absorption, reducing visibility and interfering with subsequent applications. Existing underwater image enhancement methods primarily focus on improving visual quality while…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Zengxi Zhang , Zhiying Jiang , Long Ma , Jinyuan Liu , Xin Fan , Risheng Liu

Underwater vision suffers from severe effects due to selective attenuation and scattering when light propagates through water. Such degradation not only affects the quality of underwater images but limits the ability of vision tasks.…

Computer Vision and Pattern Recognition · Computer Science 2018-01-16 Chongyi Li , Jichang Guo , Chunle Guo

Underwater image enhancement (UIE) is vital for high-level vision-related underwater tasks. Although learning-based UIE methods have made remarkable achievements in recent years, it's still challenging for them to consistently deal with…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Junjie Wen , Jinqiang Cui , Zhenjun Zhao , Ruixin Yan , Zhi Gao , Lihua Dou , Ben M. Chen

Many self-supervised denoising approaches have been proposed in recent years. However, these methods tend to overly smooth images, resulting in the loss of fine structures that are essential for medical applications. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2025-04-02 Basar Demir , Yikang Liu , Xiao Chen , Eric Z. Chen , Lin Zhao , Boris Mailhe , Terrence Chen , Shanhui Sun

Underwater video enhancement (UVE) aims to improve the visibility and frame quality of underwater videos, which has significant implications for marine research and exploration. However, existing methods primarily focus on developing image…

Computer Vision and Pattern Recognition · Computer Science 2024-03-19 Dazhao Du , Enhan Li , Lingyu Si , Fanjiang Xu , Jianwei Niu

Underwater image enhancement has been attracting much attention due to its significance in marine engineering and aquatic robotics. Numerous underwater image enhancement algorithms have been proposed in the last few years. However, these…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Chongyi Li , Chunle Guo , Wenqi Ren , Runmin Cong , Junhui Hou , Sam Kwong , Dacheng Tao

We present a novel underwater image enhancement method termed SCNet to improve the image quality meanwhile cope with the degradation diversity caused by the water. SCNet is based on normalization schemes across both spatial and channel…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Zhenqi Fu , Xiaopeng Lin , Wu Wang , Yue Huang , Xinghao Ding

Underwater images suffer from color casts and low contrast due to wavelength- and distance-dependent attenuation and scattering. To solve these two degradation issues, we present an underwater image enhancement network via medium…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Chongyi Li , Saeed Anwar , Junhui Hou , Runmin Cong , Chunle Guo , Wenqi Ren

Learning-based underwater image enhancement (UIE) methods have made great progress. However, the lack of large-scale and high-quality paired training samples has become the main bottleneck hindering the development of UIE. The inter-frame…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Yaofeng Xie , Lingwei Kong , Kai Chen , Ziqiang Zheng , Xiao Yu , Zhibin Yu , Bing Zheng

Most existing super-resolution methods and datasets have been developed to improve the image quality in well-lighted conditions. However, these methods do not work well in real-world low-light conditions as the images captured in such…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Yang Liu , Yaofang Liu , Jinshan Pan , Yuxiang Hui , Fan Jia , Raymond H. Chan , Tieyong Zeng

Images captured in challenging environments often experience various forms of degradation, including noise, color cast, blur, and light scattering. These effects significantly reduce image quality, hindering their applicability in…

Computer Vision and Pattern Recognition · Computer Science 2025-06-26 Abbas Anwar , Mohammad Shullar , Ali Arshad Nasir , Mudassir Masood , Saeed Anwar

Low light enhancement has gained increasing importance with the rapid development of visual creation and editing. However, most existing enhancement algorithms are designed to homogeneously increase the brightness of images to a pre-defined…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Yuyang Yin , Dejia Xu , Chuangchuang Tan , Ping Liu , Yao Zhao , Yunchao Wei

Underwater visual enhancement (UVE) and underwater 3D reconstruction pose significant challenges in computer vision and AI-based tasks due to complex imaging conditions in aquatic environments. Despite the development of numerous…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Guoxi Huang , Haoran Wang , Brett Seymour , Evan Kovacs , John Ellerbrock , Dave Blackham , Nantheera Anantrasirichai

Underwater image enhancement (UIE) is a challenging task due to the complex degradation caused by underwater environments. To solve this issue, previous methods often idealize the degradation process, and neglect the impact of medium noise…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 Jingchun Zhou , Zongxin He , Qiuping Jiang , Kui Jiang , Xianping Fu , Xuelong Li

Underwater images often have severe quality degradation and distortion due to light absorption and scattering in the water medium. A hazed image formation model is widely used to restore the image quality. It depends on two optical…

Image and Video Processing · Electrical Eng. & Systems 2019-06-21 Wei Song , Yan Wang , Dongmei Huang , Antonio Liotta , Cristian Perra

Images captured underwater often suffer from suboptimal illumination settings that can hide important visual features, reducing their quality. We present a novel single-image low-light underwater image enhancer, L^2UWE, that builds on our…

Computer Vision and Pattern Recognition · Computer Science 2020-11-09 Tunai Porto Marques , Alexandra Branzan Albu