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The appearance of objects in underwater images is degraded by the selective attenuation of light, which reduces contrast and causes a colour cast. This degradation depends on the water environment, and increases with depth and with the…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Chau Yi Li , Andrea Cavallaro

Underwater imaging is essential for marine exploration, environmental monitoring, and infrastructure inspection. However, water causes severe image degradation through wavelength-dependent absorption and scattering, resulting in color…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Md. Mahbub Hasan Akash , Aria Tasnim Mridula , Sheekar Banerjee , Ishtiak Al Mamoon

Underwater images suffer from extremely unfavourable conditions. Light is heavily attenuated and scattered. Attenuation creates change in hue, scattering causes so called veiling light. General state of the art methods for enhancing image…

计算机视觉与模式识别 · 计算机科学 2018-07-12 Tomasz Łuczyński , Andreas Birk

This paper presents an improved and modified partial differential equation (PDE)-based de-hazing algorithm. The proposed method combines logarithmic image processing models in a PDE formulation refined with linear filter-based operators in…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Uche A. Nnolim

Underwater image restoration has been a challenging problem for decades since the advent of underwater photography. Most solutions focus on shallow water scenarios, where the scene is uniformly illuminated by the sunlight. However, the vast…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Yifan Song , Mengkun She , Kevin Köser

Generic object detection algorithms have proven their excellent performance in recent years. However, object detection on underwater datasets is still less explored. In contrast to generic datasets, underwater images usually have color…

计算机视觉与模式识别 · 计算机科学 2020-03-25 Wei-Hong Lin , Jia-Xing Zhong , Shan Liu , Thomas Li , Ge Li

Removing multiple degradations, such as haze, rain, and blur, from real-world images poses a challenging and illposed problem. Recently, unified models that can handle different degradations have been proposed and yield promising results.…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Yongheng Zhang , Danfeng Yan , Yuanqiang Cai

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…

计算机视觉与模式识别 · 计算机科学 2025-06-26 Abbas Anwar , Mohammad Shullar , Ali Arshad Nasir , Mudassir Masood , Saeed Anwar

State Space Models (SSMs) have emerged as a promising backbone for vision tasks due to their linear complexity and global receptive field. However, in the context of Underwater Image Enhancement (UIE), the standard sequential scanning…

计算机视觉与模式识别 · 计算机科学 2025-10-16 Kui Jiang , Yan Luo , Junjun Jiang , Ke Gu , Nan Ma , Xianming Liu

Ultra-High-Definition (UHD) image dehazing faces challenges such as limited scene adaptability in prior-based methods and high computational complexity with color distortion in deep learning approaches. To address these issues, we propose…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Xingchi Chen , Pu Wang , Xuerui Li , Chaopeng Li , Juxiang Zhou , Jianhou Gan , Dianjie Lu , Guijuan Zhang , Wenqi Ren , Zhuoran Zheng

Underwater images taken from autonomous underwater vehicles (AUV's) often suffer from low light, high turbidity, poor contrast, motion-blur and excessive light scattering and hence require image enhancement techniques for object…

计算机视觉与模式识别 · 计算机科学 2025-07-25 Sreeraj Rajan Warrier , D Sri Harshavardhan Reddy , Sriya Bada , Rohith Achampeta , Sebastian Uppapalli , Jayasri Dontabhaktuni

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…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Zhenqi Fu , Xiaopeng Lin , Wu Wang , Yue Huang , Xinghao Ding

The difficulties of underwater image degradation due to light scattering, absorption, and fog-like particles which lead to low resolution and poor visibility are discussed in this study report. We suggest a sophisticated hybrid strategy…

计算机视觉与模式识别 · 计算机科学 2024-10-21 Yugandhar Reddy Gogireddy , Jithendra Reddy Gogireddy

Learning-based methods for underwater image enhancement (UWIE) have undergone extensive exploration. However, learning-based models are usually vulnerable to adversarial examples so as the UWIE models. To the best of our knowledge, there is…

图像与视频处理 · 电气工程与系统科学 2024-09-11 Siyu Zhai , Zhibo He , Xiaofeng Cong , Junming Hou , Jie Gui , Jian Wei You , Xin Gong , James Tin-Yau Kwok , Yuan Yan Tang

Underwater image enhancement (UIE) aims to generate clear images from low-quality underwater images. Due to the unavailability of clear reference images, researchers often synthesize them to construct paired datasets for training deep…

计算机视觉与模式识别 · 计算机科学 2023-12-12 Dazhao Du , Enhan Li , Lingyu Si , Fanjiang Xu , Jianwei Niu , Fuchun Sun

All-in-One Image Restoration (AiOIR) faces the fundamental challenge in reconciling conflicting optimization objectives across heterogeneous degradations. Existing methods are often constrained by coarse-grained control mechanisms or fixed…

计算机视觉与模式识别 · 计算机科学 2026-03-19 Luwei Tu , Jiawei Wu , Xing Luo , Zhi Jin

Real-world low-light images suffer from two main degradations, namely, inevitable noise and poor visibility. Since the noise exhibits different levels, its estimation has been implemented in recent works when enhancing low-light images from…

图像与视频处理 · 电气工程与系统科学 2021-10-08 Chuanjun Zheng , Daming Shi , Wentian Shi

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…

计算机视觉与模式识别 · 计算机科学 2026-02-26 Xiaofeng Cong , Yu Zhao , Jie Gui , Junming Hou , Dacheng Tao

We present a new vectorial total variation method that addresses the problem of color consistent image filtering. Our approach is inspired from the double-opponent cell representation in the human visual cortex. Existing methods of…

计算机视觉与模式识别 · 计算机科学 2016-05-20 Freddie Åström , Christoph Schnörr

Underwater Image Restoration (UIR) remains a challenging task in computer vision due to the complex degradation of images in underwater environments. While recent approaches have leveraged various deep learning techniques, including…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Xiaojiao Guo , Yihang Dong , Xuhang Chen , Weiwen Chen , Zimeng Li , FuChen Zheng , Chi-Man Pun