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Restoration of images contaminated by different adverse weather conditions such as fog, snow, and rain is a challenging task due to the varying nature of the weather conditions. Most of the existing methods focus on any one particular…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Kotha Kartheek , Lingamaneni Gnanesh Chowdary , Snehasis Mukherjee

Getting rid of the fundamental limitations in fitting to the paired training data, recent unsupervised low-light enhancement methods excel in adjusting illumination and contrast of images. However, for unsupervised low light enhancement,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Zhangkai Ni , Wenhan Yang , Hanli Wang , Shiqi Wang , Lin Ma , Sam Kwong

We design a novel network architecture for learning discriminative image models that are employed to efficiently tackle the problem of grayscale and color image denoising. Based on the proposed architecture, we introduce two different…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Stamatios Lefkimmiatis

Image acquisition in low-light conditions suffers from poor quality and significant degradation in visual aesthetics. This affects the visual perception of the acquired image and the performance of various computer vision and image…

Computer Vision and Pattern Recognition · Computer Science 2022-03-10 Sumit Shekhar , Max Reimann , Amir Semmo , Sebastian Pasewaldt , Jürgen Döllner , Matthias Trapp

Deep learning-based methods have achieved significant performance for image defogging. However, existing methods are mainly developed for land scenes and perform poorly when dealing with overwater foggy images, since overwater scenes…

Computer Vision and Pattern Recognition · Computer Science 2022-12-26 Yaozong Mo , Chaofeng Li , Wenqi Ren , Shaopeng Shang , Wenwu Wang , Xiao-jun Wu

Low-light images, characterized by inadequate illumination, pose challenges of diminished clarity, muted colors, and reduced details. Low-light image enhancement, an essential task in computer vision, aims to rectify these issues by…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Hossein Shakibania , Sina Raoufi , Hassan Khotanlou

Image/video denoising in low-light scenes is an extremely challenging problem due to limited photon count and high noise. In this paper, we propose a novel approach with contrastive learning to address this issue. Inspired by the success of…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Taoyong Cui , Yuhan Dong

The captured images under low light conditions often suffer insufficient brightness and notorious noise. Hence, low-light image enhancement is a key challenging task in computer vision. A variety of methods have been proposed for this task,…

Image and Video Processing · Electrical Eng. & Systems 2020-05-22 Cheng Zhang , Qingsen Yan , Yu zhu , Xianjun Li , Jinqiu Sun , Yanning Zhang

This paper presents a novel context-aware image denoising algorithm that combines an adaptive image smoothing technique and color reduction techniques to remove perturbation from adversarial images. Adaptive image smoothing is achieved…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Li-Yun Wang , Yeganeh Jalalpour , Wu-chi Feng

Obtaining pairs of low/normal-light videos, with motions, is more challenging than still images, which raises technical issues and poses the technical route of unpaired learning as a critical role. This paper makes endeavors in the…

Computer Vision and Pattern Recognition · Computer Science 2024-08-23 Lingyu Zhu , Wenhan Yang , Baoliang Chen , Hanwei Zhu , Zhangkai Ni , Qi Mao , Shiqi Wang

Image denoising is a classical problem in low level computer vision. Model-based optimization methods and deep learning approaches have been the two main strategies for solving the problem. Model-based optimization methods are flexible for…

Computer Vision and Pattern Recognition · Computer Science 2018-12-31 Chang Liu , Zhaowei Shang , Anyong Qin

We address the problem of soft color segmentation, defined as decomposing a given image into several RGBA layers, each containing only homogeneous color regions. The resulting layers from decomposition pave the way for applications that…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Naofumi Akimoto , Huachun Zhu , Yanghua Jin , Yoshimitsu Aoki

The usage of digital content (photos and videos) in a variety of applications has increased due to the popularity of multimedia devices. These uses include advertising campaigns, educational resources, and social networking platforms. There…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Muhammad Turab

Low-light imaging on mobile devices is typically challenging due to insufficient incident light coming through the relatively small aperture, resulting in a low signal-to-noise ratio. Most of the previous works on low-light image processing…

Image and Video Processing · Electrical Eng. & Systems 2022-09-05 Yucheng Lu , Seung-Won Jung

Recent advancements in ultra-high-resolution unpaired image-to-image translation have aimed to mitigate the constraints imposed by limited GPU memory through patch-wise inference. Nonetheless, existing methods often compromise between the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Ming-Yang Ho , Che-Ming Wu , Min-Sheng Wu , Yufeng Jane Tseng

Images captured under low-light conditions present significant limitations in many applications, as poor lighting can obscure details, reduce contrast, and hide noise. Removing the illumination effects and enhancing the quality of such…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Daniel Torres , Joan Duran , Julia Navarro , Catalina Sbert

Interlacing is a widely used technique, for television broadcast and video recording, to double the perceived frame rate without increasing the bandwidth. But it presents annoying visual artifacts, such as flickering and silhouette…

Computer Vision and Pattern Recognition · Computer Science 2017-08-02 Haichao Zhu , Xueting Liu , Xiangyu Mao , Tien-Tsin Wong

Most digital camera pipelines use color constancy methods to reduce the influence of illumination and camera sensor on the colors of scene objects. The highest accuracy of color correction is obtained with learning-based color constancy…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Nikola Banić , Karlo Koščević , Sven Lončarić

This paper introduces a novel method for image colorization that utilizes a color transformer and generative adversarial networks (GANs) to address the challenge of generating visually appealing colorized images. Conventional approaches…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Hamza Shafiq , Bumshik Lee

Images captured under low-light conditions manifest poor visibility, lack contrast and color vividness. Compared to conventional approaches, deep convolutional neural networks (CNNs) perform well in enhancing images. However, being solely…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Aditya Arora , Muhammad Haris , Syed Waqas Zamir , Munawar Hayat , Fahad Shahbaz Khan , Ling Shao , Ming-Hsuan Yang