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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

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

Presence of haze in images obscures underlying information, which is undesirable in applications requiring accurate environment information. To recover such an image, a dehazing algorithm should localize and recover affected regions while…

Computer Vision and Pattern Recognition · Computer Science 2021-01-27 Pranjay Shyam , Kuk-Jin Yoon , Kyung-Soo Kim

Recently, there has been rapid and significant progress on image dehazing. Many deep learning based methods have shown their superb performance in handling homogeneous dehazing problems. However, we observe that even if a carefully designed…

Image and Video Processing · Electrical Eng. & Systems 2021-04-20 Yankun Yu , Huan Liu , Minghan Fu , Jun Chen , Xiyao Wang , Keyan Wang

Increasing the visibility of nighttime hazy images is challenging because of uneven illumination from active artificial light sources and haze absorbing/scattering. The absence of large-scale benchmark datasets hampers progress in this…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Jing Zhang , Yang Cao , Zheng-Jun Zha , Dacheng Tao

The presence of non-homogeneous haze can cause scene blurring, color distortion, low contrast, and other degradations that obscure texture details. Existing homogeneous dehazing methods struggle to handle the non-uniform distribution of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-18 Yu Guo , Yuan Gao , Ryan Wen Liu , Yuxu Lu , Jingxiang Qu , Shengfeng He , Wenqi Ren

Existing single image dehazing methods have demonstrated satisfactory performance on homogeneous thin-haze images; however, they often struggle with non-homogeneous hazy images that exhibit spatially varying haze concentrations and abrupt…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Yingming Zhang , Wuqi Su , Qing Xiao , Yonggang Yang

Aiming at the existing single image haze removal algorithms, which are based on prior knowledge and assumptions, subject to many limitations in practical applications, and could suffer from noise and halo amplification. An end-to-end system…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Yuwen Li , Chaobing Zheng , Shiqian Wu , Wangming Xu

Night imaging with modern smartphone cameras is troublesome due to low photon count and unavoidable noise in the imaging system. Directly adjusting exposure time and ISO ratings cannot obtain sharp and noise-free images at the same time in…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Yuzhi Zhao , Yongzhe Xu , Qiong Yan , Dingdong Yang , Xuehui Wang , Lai-Man Po

Images captured in hazy outdoor conditions often suffer from colour distortion, low contrast, and loss of detail, which impair high-level vision tasks. Single image dehazing is essential for applications such as autonomous driving and…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Divine Joseph Appiah , Donghai Guan , Abdul Nasser Kasule , Mingqiang Wei

Learning to dehaze single hazy images, especially using a small training dataset is quite challenging. We propose a novel generative adversarial network architecture for this problem, namely back projected pyramid network (BPPNet), that…

Image and Video Processing · Electrical Eng. & Systems 2020-08-18 Ayush Singh , Ajay Bhave , Dilip K. Prasad

Image dehazing poses significant challenges in environmental perception. Recent research mainly focus on deep learning-based methods with single modality, while they may result in severe information loss especially in dense-haze scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Meng Yu , Te Cui , Haoyang Lu , Yufeng Yue

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

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

Real-world image dehazing is a fundamental yet challenging task in low-level vision. Existing learning-based methods often suffer from significant performance degradation when applied to complex real-world hazy scenes, primarily due to…

Computer Vision and Pattern Recognition · Computer Science 2026-01-06 Chen Zhu , Huiwen Zhang , Yujie Li , Mu He , Xiaotian Qiao

Object detection at night is a challenging problem due to the absence of night image annotations. Despite several domain adaptation methods, achieving high-precision results remains an issue. False-positive error propagation is still…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Mikhail Kennerley , Jian-Gang Wang , Bharadwaj Veeravalli , Robby T. Tan

In this paper, we address the single image haze removal problem in a nighttime scene. The night haze removal is a severely ill-posed problem especially due to the presence of various visible light sources with varying colors and non-uniform…

Computer Vision and Pattern Recognition · Computer Science 2019-02-05 Shiba Kuanar , K. R. Rao , Dwarikanath Mahapatra , Monalisa Bilas

Single image dehazing is a challenging task, for which the domain shift between synthetic training data and real-world testing images usually leads to degradation of existing methods. To address this issue, we propose a novel image dehazing…

Computer Vision and Pattern Recognition · Computer Science 2021-08-09 Ye Liu , Lei Zhu , Shunda Pei , Huazhu Fu , Jing Qin , Qing Zhang , Liang Wan , Wei Feng

Single-image haze removal is a long-standing hurdle for computer vision applications. Several works have been focused on transferring advances from image classification, detection, and segmentation to the niche of image dehazing, primarily…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Sai Mitheran , Anushri Suresh , Nisha J. S. , Varun P. Gopi

In real-world environments, outdoor imaging systems are often affected by disturbances such as rain degradation. Especially, in nighttime driving scenes, insufficient and uneven lighting shrouds the scenes in darkness, resulting degradation…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Cidan Shi , Lihuang Fang , Han Wu , Xiaoyu Xian , Yukai Shi , Liang Lin