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Visibility in hazy nighttime scenes is frequently reduced by multiple factors, including low light, intense glow, light scattering, and the presence of multicolored light sources. Existing nighttime dehazing methods often struggle with…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Yeying Jin , Beibei Lin , Wending Yan , Yuan Yuan , Wei Ye , Robby T. Tan

Blind face restoration is a challenging task due to the unknown and complex degradation. Although face prior-based methods and reference-based methods have recently demonstrated high-quality results, the restored images tend to contain…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Guojing Ge , Qi Song , Guibo Zhu , Yuting Zhang , Jinglu Chen , Miao Xin , Ming Tang , Jinqiao Wang

Hazy images are common in real scenarios and many dehazing methods have been developed to automatically remove the haze from images. Typically, the goal of image dehazing is to produce clearer images from which human vision can better…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Yanting Pei , Yaping Huang , Qi Zou , Yuhang Lu , Song Wang

Haze and smog are among the most common environmental factors impacting image quality and, therefore, image analysis. This paper proposes an end-to-end generative method for image dehazing. It is based on designing a fully convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Zheng Liu , Botao Xiao , Muhammad Alrabeiah , Keyan Wang , Jun Chen

Deep models have demonstrated recent success in single-image dehazing. Most prior methods consider fully supervised training and learn from paired clean and hazy images, where a hazy image is synthesized based on a clean image and its…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Zhengyang Lou , Huan Xu , Fangzhou Mu , Yanli Liu , Xiaoyu Zhang , Liang Shang , Jiang Li , Bochen Guan , Yin Li , Yu Hen Hu

Image dehazing using learning-based methods has achieved state-of-the-art performance in recent years. However, most existing methods train a dehazing model on synthetic hazy images, which are less able to generalize well to real hazy…

Computer Vision and Pattern Recognition · Computer Science 2020-05-12 Yuanjie Shao , Lerenhan Li , Wenqi Ren , Changxin Gao , Nong Sang

Image dehazing is an ill-posed problem that has been extensively studied in the recent years. The objective performance evaluation of the dehazing methods is one of the major obstacles due to the lacking of a reference dataset. While the…

Computer Vision and Pattern Recognition · Computer Science 2020-05-08 Codruta O. Ancuti , Cosmin Ancuti , Radu Timofte

Images captured under outdoor scenes usually suffer from low contrast and limited visibility due to suspended atmospheric particles, which directly affects the quality of photos. Despite numerous image dehazing methods have been proposed,…

Computer Vision and Pattern Recognition · Computer Science 2018-03-22 Chongyi Li , Jichang Guo , Fatih Porikli , Huazhu Fu , Yanwei Pang

In this paper, we propose an efficient algorithm to directly restore a clear image from a hazy input. The proposed algorithm hinges on an end-to-end trainable neural network that consists of an encoder and a decoder. The encoder is…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Wenqi Ren , Lin Ma , Jiawei Zhang , Jinshan Pan , Xiaochun Cao , Wei Liu , Ming-Hsuan Yang

Haze usually leads to deteriorated images with low contrast, color shift and structural distortion. We observe that many deep learning based models exhibit exceptional performance on removing homogeneous haze, but they usually fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-01-02 Han Zhou , Wei Dong , Yangyi Liu , Jun Chen

In this paper, we introduce a new computer vision task called nighttime dehaze-enhancement. This task aims to jointly perform dehazing and lightness enhancement. Our task fundamentally differs from nighttime dehazing -- our goal is to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Harshan Baskar , Anirudh S Chakravarthy , Prateek Garg , Divyam Goel , Abhijith S Raj , Kshitij Kumar , Lakshya , Ravichandra Parvatham , V Sushant , Bijay Kumar Rout

Images captured in hazy weather generally suffer from quality degradation, and many dehazing methods have been developed to solve this problem. However, single image dehazing problem is still challenging due to its ill-posed nature. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Pengyang Ling , Huaian Chen , Xiao Tan , Yimeng Shan , Yi Jin

The changing level of haze is one of the main factors which affects the success of the proposed dehazing methods. However, there is a lack of controlled multi-level hazy dataset in the literature. Therefore, in this study, a new multi-level…

Image and Video Processing · Electrical Eng. & Systems 2023-08-01 Bedrettin Cetinkaya , Yucel Cimtay , Fatma Nazli Gunay , Gokce Nur Yilmaz

Image dehazing aims to remove unwanted hazy artifacts in images. Although previous research has collected paired real-world hazy and haze-free images to improve dehazing models' performance in real-world scenarios, these models often…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Fu-Jen Tsai , Yan-Tsung Peng , Yen-Yu Lin , Chia-Wen Lin

Restoring images captured under adverse weather conditions is a fundamental task for many computer vision applications. However, most existing weather restoration approaches are only capable of handling a specific type of degradation, which…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Ruoxi Zhu , Zhengzhong Tu , Jiaming Liu , Alan C. Bovik , Yibo Fan

Existing real-world image dehazing methods primarily attempt to fine-tune pre-trained models or adapt their inference procedures, thus heavily relying on the pre-trained models and associated training data. Moreover, restoring heavily…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Ruiyi Wang , Yushuo Zheng , Zicheng Zhang , Chunyi Li , Shuaicheng Liu , Guangtao Zhai , Xiaohong Liu

Images captured in hazy weather conditions often suffer from color contrast and color fidelity. This degradation is represented by transmission map which represents the amount of attenuation and airlight which represents the color of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Saad Bin Sami , Abdul Muqeet , Humera Tariq

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…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Uche A. Nnolim

Blind face restoration aims at recovering high-quality face images from those with unknown degradations. Current algorithms mainly introduce priors to complement high-quality details and achieve impressive progress. However, most of these…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Zhouxia Wang , Jiawei Zhang , Tianshui Chen , Wenping Wang , Ping Luo

This paper proposes a novel technique for single image dehazing. Most of the state-of-the-art methods for single image dehazing relies either on Dark Channel Prior (DCP) or on Color line. The proposed method combines the two different…

Computer Vision and Pattern Recognition · Computer Science 2019-06-11 Kushal Borkar , Snehasis Mukherjee