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The research on the single image dehazing task has been widely explored. However, as far as we know, no comprehensive study has been conducted on the robustness of the well-trained dehazing models. Therefore, there is no evidence that the…

计算机视觉与模式识别 · 计算机科学 2024-02-16 Jie Gui , Xiaofeng Cong , Chengwei Peng , Yuan Yan Tang , James Tin-Yau Kwok

Image dehazing is a typical task in the low-level vision field. Previous studies verified the effectiveness of the large convolutional kernel and attention mechanism in dehazing. However, there are two drawbacks: the multi-scale properties…

计算机视觉与模式识别 · 计算机科学 2023-05-30 LiPing Lu , Qian Xiong , DuanFeng Chu , BingRong Xu

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

High-quality dehazing performance is highly dependent upon the accurate estimation of transmission map. In this work, the coarse estimation version is first obtained by weightedly fusing two different transmission maps, which are generated…

计算机视觉与模式识别 · 计算机科学 2019-02-20 Qiaoling Shu , Chuansheng Wu , Zhe Xiao , Ryan Wen Liu

Single image dehazing is a prerequisite which affects the performance of many computer vision tasks and has attracted increasing attention in recent years. However, most existing dehazing methods emphasize more on haze removal but less on…

计算机视觉与模式识别 · 计算机科学 2021-09-23 Yan Li , De Cheng , Jiande Sun , Dingwen Zhang , Nannan Wang , Xinbo Gao

The difficulty of obtaining paired data remains a major bottleneck for learning image restoration and enhancement models for real-world applications. Current strategies aim to synthesize realistic training data by modeling noise and…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Valentin Wolf , Andreas Lugmayr , Martin Danelljan , Luc Van Gool , Radu Timofte

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

We propose an end-to-end trainable Convolutional Neural Network (CNN), named GridDehazeNet, for single image dehazing. The GridDehazeNet consists of three modules: pre-processing, backbone, and post-processing. The trainable pre-processing…

计算机视觉与模式识别 · 计算机科学 2019-08-12 Xiaohong Liu , Yongrui Ma , Zhihao Shi , Jun Chen

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

Most learning-based super-resolution (SR) methods aim to recover high-resolution (HR) image from a given low-resolution (LR) image via learning on LR-HR image pairs. The SR methods learned on synthetic data do not perform well in…

图像与视频处理 · 电气工程与系统科学 2020-01-09 Dong Gong , Wei Sun , Qinfeng Shi , Anton van den Hengel , Yanning Zhang

We propose an enhanced multi-scale network, dubbed GridDehazeNet+, for single image dehazing. The proposed dehazing method does not rely on the Atmosphere Scattering Model (ASM), and an explanation as to why it is not necessarily performing…

计算机视觉与模式识别 · 计算机科学 2021-12-01 Xiaohong Liu , Zhihao Shi , Zijun Wu , Jun Chen

Many imaging inverse problems$\unicode{x2014}$such as image-dependent in-painting and dehazing$\unicode{x2014}$are challenging because their forward models are unknown or depend on unknown latent parameters. While one can solve such…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Matthew A. Chan , Sean I. Young , Christopher A. Metzler

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…

计算机视觉与模式识别 · 计算机科学 2018-05-07 Codruta O. Ancuti , Cosmin Ancuti , Radu Timofte , Christophe De Vleeschouwer

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…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Yanting Pei , Yaping Huang , Qi Zou , Yuhang Lu , Song Wang

Modern digital cameras rely on the sequential execution of separate image processing steps to produce realistic images. The first two steps are usually related to denoising and demosaicking where the former aims to reduce noise from the…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Filippos Kokkinos , Stamatios Lefkimmiatis

We investigate the task of learning blind image denoising networks from an unpaired set of clean and noisy images. Such problem setting generally is practical and valuable considering that it is feasible to collect unpaired noisy and clean…

图像与视频处理 · 电气工程与系统科学 2020-09-01 Xiaohe Wu , Ming Liu , Yue Cao , Dongwei Ren , Wangmeng Zuo

Remote sensing images (RSIs) are frequently degraded by haze, fog, and thin clouds, which obscure surface reflectance and hinder downstream applications. This study presents the first systematic and unified survey of RSIs dehazing,…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Heng Zhou , Xiaoxiong Liu , Zhenxi Zhang , Jieheng Yun , Chengyang Li , Yunchu Yang , Dongyi Xia , Chunna Tian , Xiao-Jun Wu

Due to distribution shift, deep learning based methods for image dehazing suffer from performance degradation when applied to real-world hazy images. In this paper, we consider a dehazing framework based on conditional diffusion models for…

计算机视觉与模式识别 · 计算机科学 2023-09-26 Jing Wang , Songtao Wu , Kuanhong Xu , Zhiqiang Yuan

Supervised and unsupervised homography estimation methods depend on image pairs tailored to specific modalities to achieve high accuracy. However, their performance deteriorates substantially when applied to unseen modalities. To address…

计算机视觉与模式识别 · 计算机科学 2026-03-05 Jinkun You , Jiaxin Cheng , Jie Zhang , Yicong Zhou