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Pre-trained text-to-image (T2I) diffusion models have shown strong potential for real-world image super-resolution (Real-ISR), owing to their noise-started generation process that enables realistic texture synthesis and captures the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Wei Zhu , Kai Zhang , Yu Zheng , Lei Luo , Yong Guo , Jian Yang

Diffusion transformer (DiT) architectures show great potential for real-world image super-resolution (Real-ISR). However, their computationally expensive iterative sampling necessitates one-step distillation. Existing one-step distillation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Jingkai Wang , Yixin Tang , Jue Gong , Jiatong Li , Shu Li , Libo Liu , Jianliang Lan , Yutong Liu , Yulun Zhang

Accelerating diffusion model sampling is crucial for efficient AIGC deployment. While diffusion distillation methods -- based on distribution matching and trajectory matching -- reduce sampling to as few as one step, they fall short on…

Computer Vision and Pattern Recognition · Computer Science 2025-03-13 Yihong Luo , Tianyang Hu , Jiacheng Sun , Yujun Cai , Jing Tang

Diffusion-based real-world image super-resolution (Real-ISR) methods have demonstrated impressive performance.To achieve efficient Real-ISR, many works employ Variational Score Distillation (VSD) to distill pre-trained stable-diffusion (SD)…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Tianyi Zhang , Zheng-Peng Duan , Peng-Tao Jiang , Bo Li , Ming-Ming Cheng , Chun-Le Guo , Chongyi Li

Although the diffusion model has achieved remarkable performance in the field of image generation, its high inference delay hinders its wide application in edge devices with scarce computing resources. Therefore, many training-free sampling…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Weilun Feng , Chuanguang Yang , Zhulin An , Libo Huang , Boyu Diao , Fei Wang , Yongjun Xu

In this paper, we introduce YONOS-SR, a novel stable diffusion-based approach for image super-resolution that yields state-of-the-art results using only a single DDIM step. We propose a novel scale distillation approach to train our SR…

Computer Vision and Pattern Recognition · Computer Science 2024-01-31 Mehdi Noroozi , Isma Hadji , Brais Martinez , Adrian Bulat , Georgios Tzimiropoulos

Recent approaches have shown promises distilling diffusion models into efficient one-step generators. Among them, Distribution Matching Distillation (DMD) produces one-step generators that match their teacher in distribution, without…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Tianwei Yin , Michaël Gharbi , Taesung Park , Richard Zhang , Eli Shechtman , Fredo Durand , William T. Freeman

Versatile audio super-resolution (SR) is the challenging task of restoring high-frequency components from low-resolution audio with sampling rates between 4kHz and 32kHz in various domains such as music, speech, and sound effects. Previous…

Audio and Speech Processing · Electrical Eng. & Systems 2025-01-22 Jaekwon Im , Juhan Nam

Diffusion Models have emerged as a leading class of generative models, yet their iterative sampling process remains computationally expensive. Timestep distillation is a promising technique to accelerate generation, but it often requires…

Computer Vision and Pattern Recognition · Computer Science 2025-11-26 Guanjie Chen , Shirui Huang , Kai Liu , Jianchen Zhu , Xiaoye Qu , Peng Chen , Yu Cheng , Yifu Sun

Diffusion-based stylization methods typically denoise from a specific partial noise state for image-to-image and video-to-video tasks. This multi-step diffusion process is computationally expensive and hinders real-world application. A…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Sijie Xu , Runqi Wang , Wei Zhu , Dejia Song , Nemo Chen , Xu Tang , Yao Hu

Sampling from diffusion models involves a slow iterative process that hinders their practical deployment, especially for interactive applications. To accelerate generation speed, recent approaches distill a multi-step diffusion model into a…

Machine Learning · Computer Science 2025-03-11 Yilun Xu , Weili Nie , Arash Vahdat

While diffusion models effectively generate remarkable synthetic images, a key limitation is the inference inefficiency, requiring numerous sampling steps. To accelerate inference and maintain high-quality synthesis, teacher-student…

Computer Vision and Pattern Recognition · Computer Science 2024-05-27 Chi Hong , Jiyue Huang , Robert Birke , Dick Epema , Stefanie Roos , Lydia Y. Chen

Diffusion-based approaches have recently driven remarkable progress in real-world image super-resolution (SR). However, existing methods still struggle to simultaneously preserve fine details and ensure high-fidelity reconstruction, often…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Aro Kim , Myeongjin Jang , Chaewon Moon , Youngjin Shin , Jinwoo Jeong , Sang-hyo Park

In this paper, we propose GuideSR, a novel single-step diffusion-based image super-resolution (SR) model specifically designed to enhance image fidelity. Existing diffusion-based SR approaches typically adapt pre-trained generative models…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Aditya Arora , Zhengzhong Tu , Yufei Wang , Ruizheng Bai , Jian Wang , Sizhuo Ma

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…

Image and Video Processing · Electrical Eng. & Systems 2025-03-26 Xiaohui Sun , Jiangwei Mo , Hanlin Wu , Jie Ma

While burst Low-Resolution (LR) images are useful for improving their Super Resolution (SR) image compared to a single LR image, prior burst SR methods are trained in a deterministic manner, which produces a blurry SR image. Since such…

Computer Vision and Pattern Recognition · Computer Science 2025-07-21 Kento Kawai , Takeru Oba , Kyotaro Tokoro , Kazutoshi Akita , Norimichi Ukita

Real-world image super-resolution (Real-ISR) focuses on recovering high-quality images from low-resolution inputs that suffer from complex degradations like noise, blur, and compression. Recently, diffusion models (DMs) have shown great…

Computer Vision and Pattern Recognition · Computer Science 2026-04-21 Linwei Dong , Qingnan Fan , Yuhang Yu , Qi Zhang , Jinwei Chen , Yawei Luo , Changqing Zou

In this paper, we propose an efficient, fast, and versatile distillation method to accelerate the generation of pre-trained diffusion models: Flash Diffusion. The method reaches state-of-the-art performances in terms of FID and CLIP-Score…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Clément Chadebec , Onur Tasar , Eyal Benaroche , Benjamin Aubin

Recent diffusion-based one-step methods have shown remarkable progress in the field of image super-resolution, yet they remain constrained by three critical limitations: (1) inferior fidelity performance caused by the information loss from…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Hao Chen , Junyang Chen , Jinshan Pan , Jiangxin Dong

Diffusion models have revolutionized text-to-image generation with its exceptional quality and creativity. However, its multi-step sampling process is known to be slow, often requiring tens of inference steps to obtain satisfactory results.…

Machine Learning · Computer Science 2024-03-26 Xingchao Liu , Xiwen Zhang , Jianzhu Ma , Jian Peng , Qiang Liu