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Diffusion-based image super-resolution (SR) methods have shown promise in reconstructing high-resolution images with fine details from low-resolution counterparts. However, these approaches typically require tens or even hundreds of…

计算机视觉与模式识别 · 计算机科学 2024-08-15 Xiao He , Huaao Tang , Zhijun Tu , Junchao Zhang , Kun Cheng , Hanting Chen , Yong Guo , Mingrui Zhu , Nannan Wang , Xinbo Gao , Jie Hu

Image super-resolution (SR) aims to reconstruct high resolution images with both high perceptual quality and low distortion, but is fundamentally limited by the perception-distortion trade-off. GAN-based SR methods reduce distortion but…

计算机视觉与模式识别 · 计算机科学 2026-03-17 Dan Wang , Haiyan Sun , Shan Du , Z. Jane Wang , Zhaochong An , Serge Belongie , Xinrui Cui

Diffusion-based text-to-image generation models trained on extensive text-image pairs have demonstrated the ability to produce photorealistic images aligned with textual descriptions. However, a significant limitation of these models is…

计算机视觉与模式识别 · 计算机科学 2025-02-11 Mingyuan Zhou , Zhendong Wang , Huangjie Zheng , Hai Huang

Super-resolution (SR) aims to reconstruct high-resolution (HR) images from their low-resolution (LR) counterparts, often relying on effective downsampling to generate diverse and realistic training pairs. In this work, we propose a…

图像与视频处理 · 电气工程与系统科学 2025-03-18 Sohwi Kim , Tae-Kyun Kim

The escalating demand for real-time image synthesis has driven significant advancements in one-step diffusion models, which inherently offer expedited generation speeds compared to traditional multi-step methods. However, this enhanced…

计算机视觉与模式识别 · 计算机科学 2025-09-26 Viet Nguyen , Anh Nguyen , Trung Dao , Khoi Nguyen , Cuong Pham , Toan Tran , Anh Tran

Diffusion models have achieved impressive success in high-fidelity image generation but suffer from slow sampling due to their inherently iterative denoising process. While recent one-step methods accelerate inference by learning direct…

机器学习 · 计算机科学 2025-10-15 Hanru Bai , Weiyang Ding , Difan Zou

Diffusion models have gained significant popularity in the field of image-to-image translation. Previous efforts applying diffusion models to image super-resolution (SR) have demonstrated that iteratively refining pure Gaussian noise using…

计算机视觉与模式识别 · 计算机科学 2023-07-04 Axi Niu , Pham Xuan Trung , Kang Zhang , Jinqiu Sun , Yu Zhu , In So Kweon , Yanning Zhang

Real-world image super-resolution (Real-ISR) has achieved a remarkable leap by leveraging large-scale text-to-image models, enabling realistic image restoration from given recognition textual prompts. However, these methods sometimes fail…

计算机视觉与模式识别 · 计算机科学 2024-12-05 Jiahua Xiao , Jiawei Zhang , Dongqing Zou , Xiaodan Zhang , Jimmy Ren , Xing Wei

Restoring low-resolution text images presents a significant challenge, as it requires maintaining both the fidelity and stylistic realism of the text in restored images. Existing text image restoration methods often fall short in hard…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Chenglu Pan , Xiaogang Xu , Ganggui Ding , Yunke Zhang , Wenbo Li , Jiarong Xu , Qingbiao Wu

Diffusion- and flow-based models have advanced Real-world Image Super-Resolution (Real-ISR), but their multi-step sampling makes inference slow and hard to deploy. One-step distillation alleviates the cost, yet often degrades restoration…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Ruiqing Wang , Kai Zhang , Yuanzhi Zhu , Hanshu Yan , Shilin Lu , Jian Yang

Diffusion models have revolutionized text-to-image generation, but their real-world applications are hampered by the extensive time needed for hundreds of diffusion steps. Although progressive distillation has been proposed to speed up…

计算机视觉与模式识别 · 计算机科学 2023-12-01 Yifan Zhang , Bryan Hooi

Diffusion models have demonstrated promising performance in real-world video super-resolution (VSR). However, the dozens of sampling steps they require, make inference extremely slow. Sampling acceleration techniques, particularly…

计算机视觉与模式识别 · 计算机科学 2025-11-07 Zheng Chen , Zichen Zou , Kewei Zhang , Xiongfei Su , Xin Yuan , Yong Guo , Yulun Zhang

Image super-resolution pursuits reconstructing high-fidelity high-resolution counterpart for low-resolution image. In recent years, diffusion-based models have garnered significant attention due to their capabilities with rich prior…

计算机视觉与模式识别 · 计算机科学 2024-10-22 Aiwen Jiang , Zhi Wei , Long Peng , Feiqiang Liu , Wenbo Li , Mingwen Wang

Transferring visual style between images while preserving semantic correspondence between similar objects remains a central challenge in computer vision. While existing methods have made great strides, most of them operate at global level…

计算机视觉与模式识别 · 计算机科学 2026-04-02 Wenbo Nie , Zixiang Li , Renshuai Tao , Bin Wu , Yunchao Wei , Yao Zhao

Current diffusion-based super-resolution (SR) approaches achieve commendable performance at the cost of high inference overhead. Therefore, distillation techniques are utilized to accelerate the multi-step teacher model into one-step…

计算机视觉与模式识别 · 计算机科学 2025-11-10 Weiyi You , Mingyang Zhang , Leheng Zhang , Xingyu Zhou , Kexuan Shi , Shuhang Gu

Blind super-resolution methods based on stable diffusion showcase formidable generative capabilities in reconstructing clear high-resolution images with intricate details from low-resolution inputs. However, their practical applicability is…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Rui Xie , Chen Zhao , Kai Zhang , Zhenyu Zhang , Jun Zhou , Jian Yang , Ying Tai

Diffusion models have marked a significant breakthrough in the synthesis of semantically coherent images. However, their extensive noise estimation networks and the iterative generation process limit their wider application, particularly on…

计算机视觉与模式识别 · 计算机科学 2024-07-08 Yuzhe Yao , Feng Tian , Jun Chen , Haonan Lin , Guang Dai , Yong Liu , Jingdong Wang

Recently, latent diffusion models has demonstrated promising performance in real-world video super-resolution (VSR) task, which can reconstruct high-quality videos from distorted low-resolution input through multiple diffusion steps.…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Hanting Li , Huaao Tang , Jianhong Han , Tianxiong Zhou , Jiulong Cui , Haizhen Xie , Yan Chen , Jie Hu

Large-scale pre-trained diffusion models have been extensively adopted for real-world image Super-Resolution because of their powerful generative priors through textual guidance. However, when super-resolving high-resolution images with…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Qingji Dong , Hang Dong , Mingqin Chen , Rui Zhang , Yitong Wang

Recent advancements in diffusion models (DMs) have greatly advanced remote sensing image super-resolution (RSISR). However, their iterative sampling processes often result in slow inference speeds, limiting their application in real-time…

图像与视频处理 · 电气工程与系统科学 2025-03-26 Xiaohui Sun , Jiangwei Mo , Hanlin Wu , Jie Ma