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Diffusion models have demonstrated remarkable performance in image generation, particularly within the domain of style transfer. Prevailing style transfer approaches typically leverage pre-trained diffusion models' robust feature extraction…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Yeqi He , Liang Li , Zhiwen Yang , Xichun Sheng , Zhidong Zhao , Chenggang Yan

Universal deepfake detection aims to identify AI-generated images across a broad range of generative models, including unseen ones. This requires robust generalization to new and unseen deepfakes, which emerge frequently, while minimizing…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Chandler Timm C. Doloriel , Habib Ullah , Kristian Hovde Liland , Fadi Al Machot , Ngai-Man Cheung

Diffusion models (DMs) have emerged as powerful generative models for solving inverse problems, offering a good approximation of prior distributions of real-world image data. Typically, diffusion models rely on large-scale clean signals to…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Yifei Wang , Weimin Bai , Weijian Luo , Wenzheng Chen , He Sun

Recently, convolutional neural networks (CNNs) have achieved great improvements in single image dehazing and attained much attention in research. Most existing learning-based dehazing methods are not fully end-to-end, which still follow the…

计算机视觉与模式识别 · 计算机科学 2021-03-25 Yu Dong , Yihao Liu , He Zhang , Shifeng Chen , Yu Qiao

Enhancing the visibility of nighttime hazy images is challenging due to the complex degradation distributions. Existing methods mainly address a single type of degradation (e.g., haze or low-light) at a time, ignoring the interplay of…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Chen Zhu , Huiwen Zhang , Mu He , Yujie Li , Xiaotian Qiao

In recent years, deep neural networks tasks have increasingly relied on high-quality image inputs. With the development of high-resolution representation learning, the task of image dehazing has received significant attention. Previously,…

计算机视觉与模式识别 · 计算机科学 2025-03-24 Yukai Shi , Zhipeng Weng , Yupei Lin , Cidan Shi , Xiaojun Yang , Liang Lin

Haze removal in aerial images is a challenging problem due to considerable variation in spatial details and varying contrast. Changes in particulate matter density often lead to degradation in visibility. Therefore, several approaches…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Aditya Mehta , Harsh Sinha , Murari Mandal , Pratik Narang

We develop a domain-decomposition model reduction method for linear steady-state convection-diffusion equations with random coefficients. Of particular interest to this effort are the diffusion equations with random diffusivities, and the…

数值分析 · 数学 2018-02-13 Lin Mu , Guannan Zhang

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

In this work, we investigate the domain generalization capabilities of diffusion models in the context of synthesizing images that are distinct from the training data. Instead of fine-tuning, we tackle this challenge from a sampling-based…

机器学习 · 计算机科学 2025-12-01 Ye Zhu , Yu Wu , Duo Xu , Zhiwei Deng , Yan Yan , Olga Russakovsky

Diffusion models are powerful tools for sampling from high-dimensional distributions by progressively transforming pure noise into structured data through a denoising process. When equipped with a guidance mechanism, these models can also…

机器学习 · 计算机科学 2026-05-04 Saeed Mohseni-Sehdeh , Walid Saad , Kei Sakaguchi , Tao Yu

Synthetic Aperture Radar (SAR) images are inherently corrupted by speckle noise, limiting their utility in high-precision applications. While deep learning methods have shown promise in SAR despeckling, most methods employ a single unified…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Ziqing Ma , Chang Yang , Zhichang Guo , Yao Li

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

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

Diffusionmodels(DMs)havedemonstratedremarkableachievements in synthesizing images of high fidelity and diversity. However, the extensive computational requirements and slow generative speed of diffusion models have limited their widespread…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Jiaojiao Ye , Zhen Wang , Linnan Jiang

In this paper, we introduce a novel deep neural network suitable for multi-scale analysis and propose efficient model-agnostic methods that help the network extract information from high-frequency domains to reconstruct clearer images. Our…

计算机视觉与模式识别 · 计算机科学 2021-05-26 Hyungmin Roh , Myungjoo Kang

Diffusion models have attained remarkable success in the domains of image generation and editing. It is widely recognized that employing larger inversion and denoising steps in diffusion model leads to improved image reconstruction quality.…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Chen Hou , Guoqiang Wei , Zhibo Chen

Deep learning-based image generation has seen significant advancements with diffusion models, notably improving the quality of generated images. Despite these developments, generating images with unseen characteristics beneficial for…

Domain Generalization (DG) is a fundamental challenge for machine learning models, which aims to improve model generalization on various domains. Previous methods focus on generating domain invariant features from various source domains.…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Daoan Zhang , Mingkai Chen , Chenming Li , Lingyun Huang , Jianguo Zhang

Diffusion Models (DMs) have disrupted the image Super-Resolution (SR) field and further closed the gap between image quality and human perceptual preferences. They are easy to train and can produce very high-quality samples that exceed the…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Brian B. Moser , Arundhati S. Shanbhag , Federico Raue , Stanislav Frolov , Sebastian Palacio , Andreas Dengel