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Hazy images are often subject to color distortion, blurring, and other visible quality degradation. Some existing CNN-based methods have great performance on removing homogeneous haze, but they are not robust in non-homogeneous case. The…

Image and Video Processing · Electrical Eng. & Systems 2021-06-22 Minghan Fu , Huan Liu , Yankun Yu , Jun Chen , Keyan Wang

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

Computer vision is increasingly used in areas such as unmanned vehicles, surveillance systems and remote sensing. However, in foggy scenarios, image degradation leads to loss of target details, which seriously affects the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Zhenjun Zhang , Lijun Tang , Hongjin Wang , Lilian Zhang , Yunze He , Yaonan Wang

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, a pivotal task in low-level vision, aims to restore the visibility and detail from hazy images. Many deep learning methods with powerful representation learning capability demonstrate advanced performance on non-homogeneous…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Wei Dong , Han Zhou , Ruiyi Wang , Xiaohong Liu , Guangtao Zhai , Jun Chen

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 limits the visibility of outdoor images, due to the existence of fog, smoke and dust in the atmosphere. Image dehazing methods try to recover haze-free image by removing the effect of haze from a given input image. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Sanchayan Santra , Ranjan Mondal , Pranoy Panda , Nishant Mohanty , Shubham Bhuyan

Traditional dehazing techniques, as a well studied topic in image processing, are now widely used to eliminate the haze effects from individual images. However, even the state-of-the-art dehazing algorithms may not provide sufficient…

Distributed, Parallel, and Cluster Computing · Computer Science 2016-09-12 Meihua Wang , Jiaming Mai , Yun Liang , Tom Z. J. Fu , Zhenjie Zhang , Ruichu Cai

Haze degrades content and obscures information of images, which can negatively impact vision-based decision-making in real-time systems. In this paper, we propose an efficient fully convolutional neural network (CNN) image dehazing method…

Computer Vision and Pattern Recognition · Computer Science 2019-05-06 Peter Morales , Tzofi Klinghoffer , Seung Jae Lee

Recent years have witnessed an increased interest in image dehazing. Many deep learning methods have been proposed to tackle this challenge, and have made significant accomplishments dealing with homogeneous haze. However, these solutions…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Yangyi Liu , Huan Liu , Liangyan Li , Zijun Wu , Jun Chen

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

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

In this paper a hybrid image defogging approach based on region segmentation is proposed to address the dark channel priori algorithm's shortcomings in de-fogging the sky regions. The preliminary stage of the proposed approach focuses on…

Image and Video Processing · Electrical Eng. & Systems 2020-07-14 Weixiang Li , Wei Jie , Somaiyeh MahmoudZadeh

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

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

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 deals with the removal of undesired loss of visibility in outdoor images due to the presence of fog. Retinex is a color vision model mimicking the ability of the Human Visual System to robustly discount varying illuminations…

Computer Vision and Pattern Recognition · Computer Science 2018-04-09 Adrian Galdran , Aitor Alvarez-Gila , Alessandro Bria , Javier Vazquez-Corral , Marcelo Bertalmio

This paper introduces a novel partial differential equation (PDE) framework for single-image dehazing. We embed the atmospheric scattering model into a PDE featuring edge-preserving diffusion and a nonlocal operator to maintain both local…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Liubing Hu , Pu Wang , Guangwei Gao , Chunyan Wang , Zhuoran Zheng

Single image dehazing is a challenging ill-posed restoration problem. Various prior-based and learning-based methods have been proposed. Most of them follow a classic atmospheric scattering model which is an elegant simplified physical…

Computer Vision and Pattern Recognition · Computer Science 2018-10-05 Kangfu Mei , Aiwen Jiang , Juncheng Li , Mingwen Wang

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