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Image dehazing is a crucial image pre-processing task aimed at removing the incoherent noise generated by haze to improve the visual appeal of the image. The existing models use sophisticated networks and custom loss functions which are…

Computer Vision and Pattern Recognition · Computer Science 2020-08-25 Pavan A , Adithya Bennur , Mohit Gaggar , Shylaja S S

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

Nighttime photography is severely degraded by light pollution induced by pervasive artificial lighting in urban environments. After long-range scattering and spatial diffusion, unwanted artificial light overwhelms natural night luminance,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Hao Wang , Xiaolin Wu , Xi Zhang , Baoqing Sun

Removing haze from real-world images is challenging due to unpredictable weather conditions, resulting in the misalignment of hazy and clear image pairs. In this paper, we propose an innovative dehazing framework that operates under…

Computer Vision and Pattern Recognition · Computer Science 2024-01-08 Junkai Fan , Fei Guo , Jianjun Qian , Xiang Li , Jun Li , Jian Yang

Particulate Matter (PM) is a form of air pollution that visually degrades urban scenery and is hazardous to human health and the environment. Current monitoring devices are limited in measuring average PM over large areas. Quantifying the…

Computer Vision and Pattern Recognition · Computer Science 2014-07-15 Tarek El-Gaaly , Joshua Gluckman

Degradation of image quality due to the presence of haze is a very common phenomenon. Existing DehazeNet [3], MSCNN [11] tackled the drawbacks of hand crafted haze relevant features. However, these methods have the problem of color…

Computer Vision and Pattern Recognition · Computer Science 2018-01-26 Akshay Dudhane , Subrahmanyam Murala

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

Single image dehazing is an important low-level vision task with many applications. Early researches have investigated different kinds of visual priors to address this problem. However, they may fail when their assumptions are not valid on…

Computer Vision and Pattern Recognition · Computer Science 2018-08-01 Risheng Liu , Xin Fan , Minjun Hou , Zhiying Jiang , Zhongxuan Luo , Lei Zhang

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

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

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

Image dehazing is quite challenging in dense-haze scenarios, where quite less original information remains in the hazy image. Though previous methods have made marvelous progress, they still suffer from information loss in content and color…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Hu Yu , Jie Huang , Kaiwen Zheng , Feng Zhao

Dehazing involves removing haze or fog from images to restore clarity and improve visibility by estimating atmospheric scattering effects. While deep learning methods show promise, the lack of paired real-world training data and the…

Computer Vision and Pattern Recognition · Computer Science 2025-09-26 Junseong Shin , Seungwoo Chung , Yunjeong Yang , Tae Hyun Kim

Model driven single image dehazing was widely studied on top of different priors due to its extensive applications. Ambiguity between object radiance and haze and noise amplification in sky regions are two inherent problems of model driven…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Zhengguo Li , Haiyan Shu , Chaobing Zheng

Due to distribution shift, the performance of deep learning-based method for image dehazing is adversely affected when applied to real-world hazy images. In this paper, we find that such deviation in dehazing task between real and synthetic…

Image and Video Processing · Electrical Eng. & Systems 2025-09-09 Zhiqiang Yuan , Jinchao Zhang , Jie Zhou

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

Image dehazing has become an important computational imaging topic in the recent years. However, due to the lack of ground truth images, the comparison of dehazing methods is not straightforward, nor objective. To overcome this issue we…

Computer Vision and Pattern Recognition · Computer Science 2018-04-17 Codruta O. Ancuti , Cosmin Ancuti , Radu Timofte , Christophe De Vleeschouwer

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

Haze removal or dehazing is a challenging ill-posed problem that has drawn a significant attention in the last few years. Despite this growing interest, the scientific community is still lacking a reference dataset to evaluate objectively…

Computer Vision and Pattern Recognition · Computer Science 2018-05-07 Codruta O. Ancuti , Cosmin Ancuti , Radu Timofte , Christophe De Vleeschouwer

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