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相关论文: Contrastive Learning for Compact Single Image Deha…

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Noisy images are a challenge to image compression algorithms due to the inherent difficulty of compressing noise. As noise cannot easily be discerned from image details, such as high-frequency signals, its presence leads to extra bits…

图像与视频处理 · 电气工程与系统科学 2024-02-09 Yuxin Xie , Li Yu , Farhad Pakdaman , Moncef Gabbouj

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…

计算机视觉与模式识别 · 计算机科学 2018-04-03 Wenqi Ren , Lin Ma , Jiawei Zhang , Jinshan Pan , Xiaochun Cao , Wei Liu , Ming-Hsuan Yang

Single-image haze-removal is challenging due to limited information contained in one single image. Previous solutions largely rely on handcrafted priors to compensate for this deficiency. Recent convolutional neural network (CNN) models…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Ziang Cheng , Shaodi You , Viorela Ila , Hongdong Li

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

Single image dehazing is a challenging ill-posed problem. Existing datasets for training deep learning-based methods can be generated by hand-crafted or synthetic schemes. However, the former often suffers from small scales, while the…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Honglei Xu , Yan Shu , Shaohui Liu

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…

计算机视觉与模式识别 · 计算机科学 2018-01-26 Akshay Dudhane , Subrahmanyam Murala

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…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Bolun Cai , Xiangmin Xu , Kui Jia , Chunmei Qing , Dacheng Tao

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…

计算机视觉与模式识别 · 计算机科学 2021-08-09 Ye Liu , Lei Zhu , Shunda Pei , Huazhu Fu , Jing Qin , Qing Zhang , Liang Wan , Wei Feng

Unpaired image-to-image translation aims to find a mapping between the source domain and the target domain. To alleviate the problem of the lack of supervised labels for the source images, cycle-consistency based methods have been proposed…

计算机视觉与模式识别 · 计算机科学 2022-07-14 Yupei Lin , Sen Zhang , Tianshui Chen , Yongyi Lu , Guangping Li , Yukai Shi

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…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Zhaorun Zhou , Zhenghao Shi , Mingtao Guo , Yaning Feng , Minghua Zhao

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…

图像与视频处理 · 电气工程与系统科学 2020-08-18 Ayush Singh , Ajay Bhave , Dilip K. Prasad

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…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Aupendu Kar , Sobhan Kanti Dhara , Debashis Sen , Prabir Kumar Biswas

Image contrast enhancement for outdoor vision is important for smart car auxiliary transport systems. The video frames captured in poor weather conditions are often characterized by poor visibility. Most image dehazing algorithms consider…

计算机视觉与模式识别 · 计算机科学 2015-10-06 Huimin Lu , Yujie Li , Shota Nakashima , Seiichi Serikawa

The formulation of the hazy image is mainly dominated by the reflected lights and ambient airlight. Existing dehazing methods often ignore the depth cues and fail in distant areas where heavier haze disturbs the visibility. However, we note…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Yudong Liang , Bin Wang , Jiaying Liu , Deyu Li , Sanping Zhou , Wenqi Ren

Model-based single image dehazing algorithms restore images with sharp edges and rich details at the expense of low PSNR values. Data-driven ones restore images with high PSNR values but with low contrast, and even some remaining haze. In…

计算机视觉与模式识别 · 计算机科学 2022-06-24 Zhengguo Li , Chaobing Zheng , Haiyan Shu , Shiqian Wu

Contrastive learning is an effective unsupervised method in graph representation learning. Recently, the data augmentation based contrastive learning method has been extended from images to graphs. However, most prior works are directly…

机器学习 · 计算机科学 2023-12-19 Shengyu Feng , Baoyu Jing , Yada Zhu , Hanghang Tong

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…

计算机视觉与模式识别 · 计算机科学 2020-08-25 Pavan A , Adithya Bennur , Mohit Gaggar , Shylaja S S

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…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Risheng Liu , Xin Fan , Minjun Hou , Zhiying Jiang , Zhongxuan Luo , Lei Zhang

Image hazing aims to render a hazy image from a given clean one, which could be applied to a variety of practical applications such as gaming, filming, photographic filtering, and image dehazing. To generate plausible haze, we study two…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Boyun Li , Yijie Lin , Xiao Liu , Peng Hu , Jiancheng Lv , Xi Peng

Recently, contrastive learning-based image translation methods have been proposed, which contrasts different spatial locations to enhance the spatial correspondence. However, the methods often ignore the diverse semantic relation within the…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Chanyong Jung , Gihyun Kwon , Jong Chul Ye