中文
相关论文

相关论文: Frequency Domain-Based Diffusion Model for Unpaire…

200 篇论文

Since acquiring large amounts of realistic blurry-sharp image pairs is difficult and expensive, learning blind image deblurring from unpaired data is a more practical and promising solution. Unfortunately, dominant approaches rely heavily…

计算机视觉与模式识别 · 计算机科学 2025-07-21 Chengxu Liu , Lu Qi , Jinshan Pan , Xueming Qian , Ming-Hsuan Yang

Diffusion models have gained attention for their ability to represent complex distributions and incorporate uncertainty, making them ideal for robust predictions in the presence of noisy or incomplete data. In this study, we develop and…

机器学习 · 计算机科学 2024-11-05 Yilin Zhuang , Sibo Cheng , Karthik Duraisamy

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

Direct RAW-based object detection offers great promise by utilizing RAW data (unprocessed sensor data), but faces inherent challenges due to its wide dynamic range and linear response, which tends to suppress crucial object details. In…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Zhuohua Ye , Liming Zhang , Hongru Han

The performance of single image super-resolution depends heavily on how to generate and complement high-frequency details to low-resolution images. Recently, diffusion-based DDPM models exhibit great potential in generating high-quality…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Xingjian Wang , Li Chai , Jiming Chen

Ultra-High-Definition (UHD) image dehazing faces challenges such as limited scene adaptability in prior-based methods and high computational complexity with color distortion in deep learning approaches. To address these issues, we propose…

计算机视觉与模式识别 · 计算机科学 2025-11-13 Xingchi Chen , Pu Wang , Xuerui Li , Chaopeng Li , Juxiang Zhou , Jianhou Gan , Dianjie Lu , Guijuan Zhang , Wenqi Ren , Zhuoran Zheng

We propose a novel unpaired image-to-image translation method that uses denoising diffusion probabilistic models without requiring adversarial training. Our method, UNpaired Image Translation with Denoising Diffusion Probabilistic Models…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Hiroshi Sasaki , Chris G. Willcocks , Toby P. Breckon

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

Single-image dehazing under dense and non-uniform haze conditions remains challenging due to severe information degradation and spatial heterogeneity. Traditional diffusion-based dehazing methods struggle with insufficient generation…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Ruicheng Zhang , Puxin Yan , Zeyu Zhang , Yicheng Chang , Hongyi Chen , Zhi Jin

Deep learning-based methods have made significant achievements for image dehazing. However, most of existing dehazing networks are concentrated on training models using simulated hazy images, resulting in generalization performance…

计算机视觉与模式识别 · 计算机科学 2022-03-18 Tian Ye , Yun Liu , Yunchen Zhang , Sixiang Chen , Erkang Chen

Current approaches for time series forecasting, whether in the time or frequency domain, predominantly use deep learning models based on linear layers or transformers. They often encode time series data in a black-box manner and rely on…

机器学习 · 计算机科学 2025-10-14 Cheng He , Xijie Liang , Zengrong Zheng , Patrick P. C. Lee , Xu Huang , Zhaoyi Li , Hong Xie , Defu Lian , Enhong Chen

We offer a practical unpaired learning based image dehazing network from an unpaired set of clear and hazy images. This paper provides a new perspective to treat image dehazing as a two-class separated factor disentanglement task, i.e, the…

图像与视频处理 · 电气工程与系统科学 2022-07-13 Xiang Chen , Zhentao Fan , Pengpeng Li , Longgang Dai , Caihua Kong , Zhuoran Zheng , Yufeng Huang , Yufeng Li

This paper focuses on addressing the issue of image demoireing. Unlike the large volume of existing studies that rely on learning from paired real data, we attempt to learn a demoireing model from unpaired real data, i.e., moire images…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Yunshan Zhong , Yuyao Zhou , Yuxin Zhang , Fei Chao , Rongrong Ji

Diffusion models, which learn to reverse a signal destruction process to generate new data, typically require the signal at each step to have the same dimension. We argue that, considering the spatial redundancy in image signals, there is…

机器学习 · 计算机科学 2022-11-30 Han Zhang , Ruili Feng , Zhantao Yang , Lianghua Huang , Yu Liu , Yifei Zhang , Yujun Shen , Deli Zhao , Jingren Zhou , Fan Cheng

We present an effective and efficient method that explores the properties of Transformers in the frequency domain for high-quality image deblurring. Our method is motivated by the convolution theorem that the correlation or convolution of…

计算机视觉与模式识别 · 计算机科学 2022-11-23 Lingshun Kong , Jiangxin Dong , Mingqiang Li , Jianjun Ge , Jinshan Pan

The quality of images captured in outdoor environments can be affected by poor weather conditions such as fog, dust, and atmospheric scattering of other particles. This problem can bring extra challenges to high-level computer vision tasks…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Jiaxi He , Frank Z. Xing , Ran Yang , Cishen Zhang

This paper presents an improved and modified partial differential equation (PDE)-based de-hazing algorithm. The proposed method combines logarithmic image processing models in a PDE formulation refined with linear filter-based operators in…

计算机视觉与模式识别 · 计算机科学 2025-02-25 Uche A. Nnolim

Image dehazing is fundamental yet not well-solved in computer vision. Most cutting-edge models are trained in synthetic data, leading to the poor performance on real-world hazy scenarios. Besides, they commonly give deterministic dehazed…

计算机视觉与模式识别 · 计算机科学 2022-10-31 Ming Tong , Yongzhen Wang , Peng Cui , Xuefeng Yan , Mingqiang Wei

Denoising diffusion probabilistic models (DDPMs) have been proven capable of synthesizing high-quality images with remarkable diversity when trained on large amounts of data. Typical diffusion models and modern large-scale conditional…

计算机视觉与模式识别 · 计算机科学 2024-01-17 Jingyuan Zhu , Huimin Ma , Jiansheng Chen , Jian Yuan

Domain generalization aims to enhance the model robustness against domain shift without accessing the target domain. Since the available source domains for training are limited, recent approaches focus on generating samples of novel…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Seogkyu Jeon , Kibeom Hong , Pilhyeon Lee , Jewook Lee , Hyeran Byun