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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

The key procedure of haze image translation through adversarial training lies in the disentanglement between the feature only involved in haze synthesis, i.e.style feature, and the feature representing the invariant semantic content, i.e.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Chi Zhang , Zihang Lin , Liheng Xu , Zongliang Li , Wei Tang , Yuehu Liu , Gaofeng Meng , Le Wang , Li Li

Single-image dehazing is a challenging problem due to its ill-posed nature. Existing methods rely on a suboptimal two-step approach, where an intermediate product like a depth map is estimated, based on which the haze-free image is…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Yu Zhang , Xinchao Wang , Xiaojun Bi , Dacheng Tao

Due to the lack of natural scene and haze prior information, it is greatly challenging to completely remove the haze from a single image without distorting its visual content. Fortunately, the real-world haze usually presents…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Haoran Wei , Qingbo Wu , Hui Li , King Ngi Ngan , Hongliang Li , Fanman Meng , Linfeng Xu

The adverse haze weather condition has brought considerable difficulties in vision-based environmental applications. While, until now, most of the existing environmental monitoring studies are under ordinary conditions, and the studies of…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Ke Wang , Siyuan Zhang , Junlan Chen , Fan Ren , Lei Xiao

Image haze removal is highly desired for the application of computer vision. This paper proposes a novel Context Guided Generative Adversarial Network (CGGAN) for single image dehazing. Of which, an novel new encoder-decoder is employed as…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Zhaorun Zhou , Zhenghao Shi , Mingtao Guo , Yaning Feng , Minghua Zhao

This paper provides a comprehensive survey of methods dealing with visibility enhancement of images taken in hazy or foggy scenes. The survey begins with discussing the optical models of atmospheric scattering media and image formation.…

Computer Vision and Pattern Recognition · Computer Science 2016-07-22 Yu Li , Shaodi You , Michael S. Brown , Robby T. Tan

Images with haze of different varieties often pose a significant challenge to dehazing. Therefore, guidance by estimates of haze parameters related to the variety would be beneficial, and their progressive update jointly with haze reduction…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Aupendu Kar , Sobhan Kanti Dhara , Debashis Sen , Prabir Kumar Biswas

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

Current novel view synthesis methods are typically designed for high-quality and clean input images. However, in foggy scenes, scattering and attenuation can significantly degrade the quality of rendering. Although NeRF-based dehazing…

Computer Vision and Pattern Recognition · Computer Science 2025-12-03 Jinze Yu , Yiqun Wang , Aiheng Jiang , Zhengda Lu , Jianwei Guo , Yong Li , Hongxing Qin , Xiaopeng Zhang

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

Image dehazing is a representative low-level vision task that estimates latent haze-free images from hazy images. In recent years, convolutional neural network-based methods have dominated image dehazing. However, vision Transformers, which…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Yuda Song , Zhuqing He , Hui Qian , Xin Du

We present a method to restore a clear image from a haze-affected image using a Wasserstein generative adversarial network. As the problem is ill-conditioned, previous methods have required a prior on natural images or multiple images of…

Computer Vision and Pattern Recognition · Computer Science 2020-01-23 Joshua Peter Ebenezer , Bijaylaxmi Das , Sudipta Mukhopadhyay

This paper proposes a scheme for single image haze removal based on the airlight field (ALF) estimation. Conventional image dehazing methods which are based on a physical model generally take the global atmospheric light as a constant.…

Computer Vision and Pattern Recognition · Computer Science 2018-05-08 Lijun Zhang , Yongbin Gao , Yujin Zhang

To evaluate their performance, existing dehazing approaches generally rely on distance measures between the generated image and its corresponding ground truth. Despite its ability to produce visually good images, using pixel-based or even…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Sébastien de Blois , Ihsen Hedhli , Christian Gagné

Haze removal is an extremely challenging task, and object detection in the hazy environment has recently gained much attention due to the popularity of autonomous driving and traffic surveillance. In this work, the authors propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-03-15 Binghan Li , Yindong Hua , Mi Lu

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

Image dehazing is a critical challenge in computer vision, essential for enhancing image clarity in hazy conditions. Traditional methods often rely on atmospheric scattering models, while recent deep learning techniques, specifically…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Huibin Li , Haoran Liu , Mingzhe Liu , Yulong Xiao , Peng Li , Guibin Zan

Haze can degrade the visibility and the image quality drastically, thus degrading the performance of computer vision tasks such as object detection. Single image dehazing is a challenging and ill-posed problem, despite being widely studied.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Zahra Anvari , Vassilis Athitsos

In recent years, single image dehazing models (SIDM) based on atmospheric scattering model (ASM) have achieved remarkable results. However, it is noted that ASM-based SIDM degrades its performance in dehazing real world hazy images due to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-26 Cong Wang , Yan Huang , Yuexian Zou , Yong Xu