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Underwater images often suffer from various issues such as low brightness, color shift, blurred details, and noise due to light absorption and scattering caused by water and suspended particles. Previous underwater image enhancement (UIE)…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Zheng Cheng , Guodong Fan , Jingchun Zhou , Min Gan , C. L. Philip Chen

Underwater image enhancement (UIE) plays a crucial role in various marine applications, but it remains challenging due to the complex underwater environment. Current learning-based approaches frequently lack explicit incorporation of prior…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Yingtie Lei , Jia Yu , Yihang Dong , Changwei Gong , Ziyang Zhou , Chi-Man Pun

Robust invisible watermarking aims to embed hidden messages into images such that they survive various manipulations while remaining imperceptible. However, powerful diffusion-based image generation and editing models now enable realistic…

密码学与安全 · 计算机科学 2025-11-11 Wenkai Fu , Finn Carter , Yue Wang , Emily Davis , Bo Zhang

Current deep learning methods for low-light image enhancement (LLIE) typically rely on pixel-wise mapping learned from paired data. However, these methods often overlook the importance of considering degradation representations, which can…

计算机视觉与模式识别 · 计算机科学 2023-07-28 Tao Wang , Kaihao Zhang , Ziqian Shao , Wenhan Luo , Bjorn Stenger , Tae-Kyun Kim , Wei Liu , Hongdong Li

Image dehazing has witnessed significant advancements with the development of deep learning models. However, most existing methods focus solely on single-modal RGB features, neglecting the inherent correlation between scene depth and haze…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zengyuan Zuo , Junjun Jiang , Gang Wu , Xianming Liu

Low-light images often suffer from low contrast, noise, and color distortion, degrading visual quality and impairing downstream vision tasks. We propose a novel conditional diffusion framework for low-light image enhancement that…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Xuanshuo Fu , Lei Kang , Javier Vazquez-Corral

Restoring real-world degraded images, such as old photographs or low-resolution images, presents a significant challenge due to the complex, mixed degradations they exhibit, such as scratches, color fading, and noise. Recent data-driven…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Peng Xiao , Hongbo Zhao , Yijun Wang , Jianxin Lin

This paper addresses the challenging problem of image enhancement in complex underwater scenes by proposing a solution based on deep learning. The proposed method skillfully integrates two deep convolutional neural network models, VGG19 and…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Aoqi Li , Yanghui Song , Jichao Dao , Chengfu Yang

Continuous and reliable underwater monitoring is essential for assessing marine biodiversity, detecting ecological changes and supporting autonomous exploration in aquatic environments. Underwater monitoring platforms rely on mainly visual…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Shuang Chen , Ronald Thenius , Farshad Arvin , Amir Atapour-Abarghouei

This paper studies a diffusion-based framework to address the low-light image enhancement problem. To harness the capabilities of diffusion models, we delve into this intricate process and advocate for the regularization of its inherent…

计算机视觉与模式识别 · 计算机科学 2023-10-30 Jinhui Hou , Zhiyu Zhu , Junhui Hou , Hui Liu , Huanqiang Zeng , Hui Yuan

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…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jaskaran Singh Walia , Shravan Venkatraman , Pavithra LK

We aim to leverage diffusion to address the challenging image matting task. However, the presence of high computational overhead and the inconsistency of noise sampling between the training and inference processes pose significant obstacles…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Yihan Hu , Yiheng Lin , Wei Wang , Yao Zhao , Yunchao Wei , Humphrey Shi

Underwater optical images inevitably suffer from various degradation factors such as blurring, low contrast, and color distortion, which hinder the accuracy of object detection tasks. Due to the lack of paired underwater/clean images, most…

计算机视觉与模式识别 · 计算机科学 2025-04-08 Bin Li , Li Li , Zhenwei Zhang , Yuping Duan

Recently, a number of image-mixing-based augmentation techniques have been introduced to improve the generalization of deep neural networks. In these techniques, two or more randomly selected natural images are mixed together to generate an…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Khawar Islam , Muhammad Zaigham Zaheer , Arif Mahmood , Karthik Nandakumar

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…

计算机视觉与模式识别 · 计算机科学 2020-02-24 Yuan Zhou , Kangming Yan

Underwater image enhancement (UIE) is a meaningful but challenging task, and many learning-based UIE methods have been proposed in recent years. Although much progress has been made, these methods still exist two issues: (1) There exists a…

计算机视觉与模式识别 · 计算机科学 2023-06-16 Zhengyong Wang , Liquan Shen , Yihan Yu , Yuan Hui

Previous raw image-based low-light image enhancement methods predominantly relied on feed-forward neural networks to learn deterministic mappings from low-light to normally-exposed images. However, they failed to capture critical…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yufei Wang , Yi Yu , Wenhan Yang , Lanqing Guo , Lap-Pui Chau , Alex C. Kot , Bihan Wen

Diffusion inversion is a task of recovering the noise of an image in a diffusion model, which is vital for controllable diffusion image editing. At present, diffusion inversion still remains a challenging task due to the lack of viable…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Ziyue Zhang , Luxi Lin , Xiaolin Hu , Chao Chang , HuaiXi Wang , Yiyi Zhou , Rongrong Ji

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…

计算机视觉与模式识别 · 计算机科学 2025-07-09 Jose M. Montero , Jose-Luis Lisani

Diffusion-based image super-resolution methods have demonstrated significant advantages over GAN-based approaches, particularly in terms of perceptual quality. Building upon a lengthy Markov chain, diffusion-based methods possess remarkable…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Leheng Zhang , Weiyi You , Kexuan Shi , Shuhang Gu