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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

Single image haze removal is a challenging ill-posed problem. Existing methods use various constraints/priors to get plausible dehazing solutions. The key to achieve haze removal is to estimate a medium transmission map for an input hazy…

Computer Vision and Pattern Recognition · Computer Science 2016-11-03 Bolun Cai , Xiangmin Xu , Kui Jia , Chunmei Qing , Dacheng Tao

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

Neural Radiance Field (NeRF) has received much attention in recent years due to the impressively high quality in 3D scene reconstruction and novel view synthesis. However, image degradation caused by the scattering of atmospheric light and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Tian Li , LU Li , Wei Wang , Zhangchi Feng

Single image dehazing is a challenging ill-posed problem. Existing datasets for training deep learning-based methods can be generated by hand-crafted or synthetic schemes. However, the former often suffers from small scales, while the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Honglei Xu , Yan Shu , Shaohui Liu

Recently, convolutional neural networks (CNNs) have achieved great improvements in single image dehazing and attained much attention in research. Most existing learning-based dehazing methods are not fully end-to-end, which still follow the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Yu Dong , Yihao Liu , He Zhang , Shifeng Chen , Yu Qiao

Image-to-image translation based on generative adversarial network (GAN) has achieved state-of-the-art performance in various image restoration applications. Single image dehazing is a typical example, which aims to obtain the haze-free…

Image and Video Processing · Electrical Eng. & Systems 2022-10-11 Shichao Kan , Yue Zhang , Fanghui Zhang , Yigang Cen

Recent approaches using large-scale pretrained diffusion models for image dehazing improve perceptual quality but often suffer from hallucination issues, producing unfaithful dehazed image to the original one. To mitigate this, we propose…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Tianwen Zhou , Jing Wang , Songtao Wu , Kuanhong Xu

Single image dehazing is an ill-posed problem that has recently drawn important attention. Despite the significant increase in interest shown for dehazing over the past few years, the validation of the dehazing methods remains largely…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Codruta O. Ancuti , Cosmin Ancuti , Mateu Sbert , Radu Timofte

The recent physical model-free dehazing methods have achieved state-of-the-art performances. However, without the guidance of physical models, the performances degrade rapidly when applied to real scenarios due to the unavailable or…

Image and Video Processing · Electrical Eng. & Systems 2021-03-16 Yudong Liang , Bin Wang , Jiaying Liu , Deyu Li , Yuhua Qian , Wenqi Ren

Nighttime images captured under hazy conditions suffer from severe quality degradation, including low visibility, color distortion, and reduced contrast, caused by the combined effects of atmospheric scattering, absorption by suspended…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Francesco Moretti , Giulia Bianchi , Andrea Gallo

We propose a novel deep neural network architecture for the challenging problem of single image dehazing, which aims to recover the clear image from a degraded hazy image. Instead of relying on hand-crafted image priors or explicitly…

Computer Vision and Pattern Recognition · Computer Science 2018-05-10 Zheng Xu , Xitong Yang , Xue Li , Xiaoshuai Sun

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

Single image dehazing, which aims to recover the clear image solely from an input hazy or foggy image, is a challenging ill-posed problem. Analysing existing approaches, the common key step is to estimate the haze density of each pixel. To…

Computer Vision and Pattern Recognition · Computer Science 2020-01-16 Yafei Song , Jia Li , Xiaogang Wang , Xiaowu Chen

Image dehazing is crucial for clarifying images obscured by haze or fog, but current learning-based approaches is dependent on large volumes of training data and hence consumed significant computational power. Additionally, their…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Gao Yu Lee , Tanmoy Dam , Md Meftahul Ferdaus , Daniel Puiu Poenar , Vu Duong

Existing deep convolutional neural networks have found major success in image deraining, but at the expense of an enormous number of parameters. This limits their potential application, for example in mobile devices. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Xueyang Fu , Borong Liang , Yue Huang , Xinghao Ding , John Paisley

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

Image dehazing aims to recover the uncorrupted content from a hazy image. Instead of leveraging traditional low-level or handcrafted image priors as the restoration constraints, e.g., dark channels and increased contrast, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Dongdong Chen , Mingming He , Qingnan Fan , Jing Liao , Liheng Zhang , Dongdong Hou , Lu Yuan , Gang Hua

The issue of image haze removal has attracted wide attention in recent years. However, most existing haze removal methods cannot restore the scene with clear blue sky, since the color and texture information of the object in the original…

Computer Vision and Pattern Recognition · Computer Science 2022-10-17 Xiaoyan Zhang , Gaoyang Tang , Yingying Zhu , Qi Tian

Nighttime image dehazing is a challenging task due to the presence of multiple types of adverse degrading effects including glow, haze, blurry, noise, color distortion, and so on. However, most previous studies mainly focus on daytime image…

Computer Vision and Pattern Recognition · Computer Science 2023-08-15 Yun Liu , Zhongsheng Yan , Sixiang Chen , Tian Ye , Wenqi Ren , Erkang Chen