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Single image dehazing is a critical image pre-processing step for subsequent high-level computer vision tasks. However, it remains challenging due to its ill-posed nature. Existing dehazing models tend to suffer from model overcomplexity…

计算机视觉与模式识别 · 计算机科学 2019-07-09 Jing Zhang , Dacheng Tao

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…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Codruta O. Ancuti , Cosmin Ancuti , Mateu Sbert , Radu Timofte

Single image dehazing is a challenging ill-posed problem which estimates latent haze-free images from observed hazy images. Some existing deep learning based methods are devoted to improving the model performance via increasing the depth or…

计算机视觉与模式识别 · 计算机科学 2023-01-13 Zixuan Chen , Zewei He , Zhe-Ming Lu

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…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Yangyi Liu , Huan Liu , Liangyan Li , Zijun Wu , Jun 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…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Francesco Moretti , Giulia Bianchi , Andrea Gallo

In real-world scenarios, image defogging is an inverse problem due to unknown scene depth, atmospheric scattering, and the common absence of ground truth . To resolve the issue, we propose a hybrid defogging model that integrates a…

计算机视觉与模式识别 · 计算机科学 2026-05-05 Manish Kumar , Rajendra K. Ray

We compare a recent dehazing method based on deep learning, Dehazenet, with traditional state-of-the-art approaches , on benchmark data with reference. Dehazenet estimates the depth map from transmission factor on a single color image,…

计算机视觉与模式识别 · 计算机科学 2018-06-29 A Benoit , Leonel Cuevas , Jean-Baptiste Thomas

Single-image dehazing is a pivotal challenge in computer vision that seeks to remove haze from images and restore clean background details. Recognizing the limitations of traditional physical model-based methods and the inefficiencies of…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Lihan Tong , Yun Liu , Weijia Li , Liyuan Chen , Erkang Chen

Removing adverse weather conditions like rain, fog, and snow from images is a challenging problem. Although the current recovery algorithms targeting a specific condition have made impressive progress, it is not flexible enough to deal with…

计算机视觉与模式识别 · 计算机科学 2022-04-20 Tian Ye , Sixiang Chen , Yun Liu , Erkang Chen , Yuche Li

Recently, CNN based end-to-end deep learning methods achieve superiority in Image Dehazing but they tend to fail drastically in Non-homogeneous dehazing. Apart from that, existing popular Multi-scale approaches are runtime intensive and…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Sourya Dipta Das , Saikat Dutta

Despite the recent progress in image dehazing, several problems remain largely unsolved such as robustness for varying scenes, the visual quality of reconstructed images, and effectiveness and flexibility for applications. To tackle these…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Chongyi Li , Jichang Guo , Fatih Porikli , Chunle Guo , Huzhu Fu , Xi Li

We present a novel dehazing and low-light enhancement method based on an illumination map that is accurately estimated by a convolutional neural network (CNN). In this paper, the illumination map is used as a component for three different…

计算机视觉与模式识别 · 计算机科学 2019-07-29 Guisik Kim , Junseok Kwon

Dark Channel Prior (DCP) is a widely recognized traditional dehazing algorithm. However, it may fail in bright region and the brightness of the restored image is darker than hazy image. In this paper, we propose an effective method to…

计算机视觉与模式识别 · 计算机科学 2019-04-29 Binghan Li , Wenrui Zhang , Mi Lu

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…

图像与视频处理 · 电气工程与系统科学 2023-08-01 Bedrettin Cetinkaya , Yucel Cimtay , Fatma Nazli Gunay , Gokce Nur Yilmaz

Single image dehazing is a challenging ill-posed problem due to the severe information degeneration. However, existing deep learning based dehazing methods only adopt clear images as positive samples to guide the training of dehazing…

计算机视觉与模式识别 · 计算机科学 2021-04-20 Haiyan Wu , Yanyun Qu , Shaohui Lin , Jian Zhou , Ruizhi Qiao , Zhizhong Zhang , Yuan Xie , Lizhuang Ma

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…

计算机视觉与模式识别 · 计算机科学 2020-05-08 Codruta O. Ancuti , Cosmin Ancuti , Radu Timofte

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…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Joshua Peter Ebenezer , Bijaylaxmi Das , Sudipta Mukhopadhyay

Rain removal from a single image is a challenge which has been studied for a long time. In this paper, a novel convolutional neural network based on wavelet and dark channel is proposed. On one hand, we think that rain streaks correspond to…

计算机视觉与模式识别 · 计算机科学 2018-01-23 Liang Shen , Zihan Yue , Quan Chen , Fan Feng , Jie Ma

In applications involving matching of image sets, the information from multiple images must be effectively exploited to represent each set. State-of-the-art methods use probabilistic distribution or subspace to model a set and use specific…

计算机视觉与模式识别 · 计算机科学 2016-10-04 Jie Feng , Svebor Karaman , I-Hong Jhuo , Shih-Fu Chang

Deep models have demonstrated recent success in single-image dehazing. Most prior methods consider fully supervised training and learn from paired clean and hazy images, where a hazy image is synthesized based on a clean image and its…

计算机视觉与模式识别 · 计算机科学 2023-05-29 Zhengyang Lou , Huan Xu , Fangzhou Mu , Yanli Liu , Xiaoyu Zhang , Liang Shang , Jiang Li , Bochen Guan , Yin Li , Yu Hen Hu