中文
相关论文

相关论文: FDG-Diff: Frequency-Domain-Guided Diffusion Framew…

200 篇论文

Current deep dehazing methods only focus on removing haze from hazy images, lacking the capability to translate between hazy and haze-free images. To address this issue, we propose a residual-based efficient bidirectional diffusion model…

计算机视觉与模式识别 · 计算机科学 2025-08-18 Bing Liu , Le Wang , Hao Liu , Mingming Liu

Nighttime images captured under hazy conditions suffer from severe quality degradation, including low visibility, color distortion, and reduced contrast, caused by the combined effects of atmospheric scattering, absorption by suspended…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Francesco Moretti , Giulia Bianchi , Andrea Gallo

Images captured in challenging environments--such as nighttime, smoke, rainy weather, and underwater--often suffer from significant degradation, resulting in a substantial loss of visual quality. The effective restoration of these degraded…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Wenfeng Huang , Guoan Xu , Wenjing Jia , Stuart Perry , Guangwei Gao

Recent advances in generative modeling with diffusion processes (DPs) enabled breakthroughs in image synthesis. Despite impressive image quality, these models have various prompt compliance problems, including low recall in generating…

计算机视觉与模式识别 · 计算机科学 2024-10-30 Deepak Sridhar , Abhishek Peri , Rohith Rachala , Nuno Vasconcelos

Joint Photographic Experts Group (JPEG) achieves data compression by quantizing Discrete Cosine Transform (DCT) coefficients, which inevitably introduces compression artifacts. Most existing JPEG quality enhancement methods operate in the…

图像与视频处理 · 电气工程与系统科学 2025-06-27 Jing Yang , Qunliang Xing , Mai Xu , Minglang Qiao

Decomposition plays a significant role in cooperative co-evolution which shows great potential in large scale black-box optimization. However, current popular decomposition algorithms generally require to sample and evaluate a large number…

最优化与控制 · 数学 2019-05-30 Zhigang Ren , An Chen , Yaochu Jin , Wenhua Guo , Yongsheng Liang , Zuren Feng

Complex degradations like noise, blur, and low resolution are typical challenges in real world image fusion tasks, limiting the performance and practicality of existing methods. End to end neural network based approaches are generally…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Yu Shi , Yu Liu , Zhong-Cheng Wu , Juan Cheng , Huafeng Li , Xun Chen

Accurate dose distribution prediction is crucial in the radiotherapy planning. Although previous methods based on convolutional neural network have shown promising performance, they have the problem of over-smoothing, leading to prediction…

图像与视频处理 · 电气工程与系统科学 2024-10-31 Xin Liao , Zhenghao Feng , Jianghong Xiao , Xingchen Peng , Yan Wang

Diffusion models, known for their powerful generative capabilities, play a crucial role in addressing real-world super-resolution challenges. However, these models often focus on improving local textures while neglecting the impacts of…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Chunyang Bi , Xin Luo , Sheng Shen , Mengxi Zhang , Huanjing Yue , Jingyu Yang

UAV images are critical for applications such as large-area mapping, infrastructure inspection, and emergency response. However, in real-world flight environments, a single image is often affected by multiple degradation factors, including…

图像与视频处理 · 电气工程与系统科学 2026-04-13 Jinquan Yan , Zhicheng Zhao , Zhengzheng Tu , Chenglong Li , Jin Tang , Bin Luo

All-in-one image restoration is challenging because different degradation types, such as haze, blur, noise, and low-light, impose diverse requirements on restoration strategies, making it difficult for a single model to handle them…

计算机视觉与模式识别 · 计算机科学 2026-03-04 Lingshun Kong , Jiawei Zhang , Zhengpeng Duan , Xiaohe Wu , Yueqi Yang , Xiaotao Wang , Dongqing Zou , Lei Lei , Jinshan Pan

Universal image restoration is a critical task in low-level vision, requiring the model to remove various degradations from low-quality images to produce clean images with rich detail. The challenges lie in sampling the distribution of…

计算机视觉与模式识别 · 计算机科学 2026-02-03 JiaKui Hu , Zhengjian Yao , Lujia Jin , Yanye Lu

Restoring real-world degraded images, such as old photographs or low-resolution images, presents a significant challenge due to the complex, mixed degradations they exhibit, such as scratches, color fading, and noise. Recent data-driven…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Peng Xiao , Hongbo Zhao , Yijun Wang , Jianxin Lin

Remote sensing images inevitably suffer from various degradation factors during acquisition, including atmospheric interference, sensor limitations, and imaging conditions. These complex and heterogeneous degradations pose severe challenges…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Zhe Dong , Yuzhe Sun , Haochen Jiang , Tianzhu Liu , Yanfeng Gu

Image restoration tasks like deblurring, denoising, and dehazing usually need distinct models for each degradation type, restricting their generalization in real-world scenarios with mixed or unknown degradations. In this work, we propose…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Wenyang Luo , Haina Qin , Zewen Chen , Libin Wang , Dandan Zheng , Yuming Li , Yufan Liu , Bing Li , Weiming Hu

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

Image guidance is an effective strategy for depth super-resolution. Generally, most existing methods employ hand-crafted operators to decompose the high-frequency (HF) and low-frequency (LF) ingredients from low-resolution depth maps and…

计算机视觉与模式识别 · 计算机科学 2023-02-01 Jiayi Yuan , Haobo Jiang , Xiang Li , Jianjun Qian , Jun Li , Jian Yang

Image denoising is a fundamental and challenging task in the field of computer vision. Most supervised denoising methods learn to reconstruct clean images from noisy inputs, which have intrinsic spectral bias and tend to produce…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Yujin Wang , Lingen Li , Tianfan Xue , Jinwei Gu

In recent times, diffusion models have achieved remarkable performance in image restoration tasks. Their core mechanism relies on the restricted presumption of degradation prior to the additive noise operation. However, the blur model, one…

计算机视觉与模式识别 · 计算机科学 2026-05-26 Sasidhar Parvathireddy , Vamsidhar Saraswathula , Rama Krishna Gorthi

While recent works on blind face image restoration have successfully produced impressive high-quality (HQ) images with abundant details from low-quality (LQ) input images, the generated content may not accurately reflect the real appearance…

计算机视觉与模式识别 · 计算机科学 2024-12-09 Chi-Wei Hsiao , Yu-Lun Liu , Cheng-Kun Yang , Sheng-Po Kuo , Kevin Jou , Chia-Ping Chen