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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

Image dehazing, particularly with learning-based methods, has gained significant attention due to its importance in real-world applications. However, relying solely on the RGB color space often fall short, frequently leaving residual haze.…

计算机视觉与模式识别 · 计算机科学 2024-12-25 Wenxuan Fang , Junkai Fan , Yu Zheng , Jiangwei Weng , Ying Tai , Jun Li

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

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

In this paper, we introduce a bilinear composition loss function to address the problem of image dehazing. Previous methods in image dehazing use a two-stage approach which first estimate the transmission map followed by clear image…

计算机视觉与模式识别 · 计算机科学 2017-10-03 Hui Yang , Jinshan Pan , Qiong Yan , Wenxiu Sun , Jimmy Ren , Yu-Wing Tai

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…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Yuwen Li , Chaobing Zheng , Shiqian Wu , Wangming Xu

Single image dehazing is a challenging ill-posed restoration problem. Various prior-based and learning-based methods have been proposed. Most of them follow a classic atmospheric scattering model which is an elegant simplified physical…

计算机视觉与模式识别 · 计算机科学 2018-10-05 Kangfu Mei , Aiwen Jiang , Juncheng Li , Mingwen Wang

Recovering a clear image from a single hazy image is an open inverse problem. Although significant research progress has been made, most existing methods ignore the effect that downstream tasks play in promoting upstream dehazing. From the…

计算机视觉与模式识别 · 计算机科学 2024-07-15 Yafei Zhang , Shen Zhou , Huafeng Li

Clear imaging under hazy conditions is a critical task. Prior-based and neural methods have improved results. However, they operate on RGB frames, which suffer from limited dynamic range. Therefore, dehazing remains ill-posed and can erase…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Ling Wang , Yunfan Lu , Wenzong Ma , Huizai Yao , Pengteng Li , Hui Xiong

Images acquired in hazy conditions have degradations induced in them. Dehazing such images is a vexed and ill-posed problem. Scores of prior-based and learning-based approaches have been proposed to mitigate the effect of haze and generate…

计算机视觉与模式识别 · 计算机科学 2023-12-18 Abdul Wasi , O. Jeba Shiney

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…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Junseong Shin , Seungwoo Chung , Yunjeong Yang , Tae Hyun Kim

Diffusion models are powerful generative models that map noise to data using stochastic processes. However, for many applications such as image editing, the model input comes from a distribution that is not random noise. As such, diffusion…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Linqi Zhou , Aaron Lou , Samar Khanna , Stefano Ermon

Image dehazing has drawn a significant attention in recent years. Learning-based methods usually require paired hazy and corresponding ground truth (haze-free) images for training. However, it is difficult to collect real-world image pairs,…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Ruikun Zhang , Hao Yang , Yan Yang , Ying Fu , Liyuan Pan

The limited dynamic range of the detector can impede coherent diffractive imaging (CDI) schemes from achieving diffraction-limited resolution. To overcome this limitation, a straightforward approach is to utilize high dynamic range (HDR)…

图像与视频处理 · 电气工程与系统科学 2024-06-11 Shantanu Kodgirwar , Lars Loetgering , Chang Liu , Aleena Joseph , Leona Licht , Daniel S. Penagos Molina , Wilhelm Eschen , Jan Rothhardt , Michael Habeck

Haze limits the visibility of outdoor images, due to the existence of fog, smoke and dust in the atmosphere. Image dehazing methods try to recover haze-free image by removing the effect of haze from a given input image. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2018-12-05 Sanchayan Santra , Ranjan Mondal , Pranoy Panda , Nishant Mohanty , Shubham Bhuyan

We provide a general framework for learning diffusion bridges that transport prior to target distributions. It includes existing diffusion models for generative modeling, but also underdamped versions with degenerate diffusion matrices,…

机器学习 · 计算机科学 2025-08-14 Denis Blessing , Julius Berner , Lorenz Richter , Gerhard Neumann

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 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

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

Image dehazing using learning-based methods has achieved state-of-the-art performance in recent years. However, most existing methods train a dehazing model on synthetic hazy images, which are less able to generalize well to real hazy…

计算机视觉与模式识别 · 计算机科学 2020-05-12 Yuanjie Shao , Lerenhan Li , Wenqi Ren , Changxin Gao , Nong Sang