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Recently, text-to-image diffusion models become a new paradigm in image processing fields, including content generation, image restoration and image-to-image translation. Given a target prompt, Denoising Diffusion Probabilistic Models…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Yupei Lin , Xiaoyu Xian , Yukai Shi , Liang Lin

Diffusion models have shown significant progress in image translation tasks recently. However, due to their stochastic nature, there's often a trade-off between style transformation and content preservation. Current strategies aim to…

计算机视觉与模式识别 · 计算机科学 2023-06-08 Gihyun Kwon , Jong Chul Ye

The acquisition of large-scale, high-quality data is a resource-intensive and time-consuming endeavor. Compared to conventional Data Augmentation (DA) techniques (e.g. cropping and rotation), exploiting prevailing diffusion models for data…

计算机视觉与模式识别 · 计算机科学 2024-03-20 Yunxiang Fu , Chaoqi Chen , Yu Qiao , Yizhou Yu

Recent advances in image generation have made diffusion models powerful tools for creating high-quality images. However, their iterative denoising process makes understanding and interpreting their semantic latent spaces more challenging…

计算与语言 · 计算机科学 2024-11-06 E. Zhixuan Zeng , Yuhao Chen , Alexander Wong

Diffusion models have emerged as a powerful foundation model for visual generations. With an appropriate sampling process, it can effectively serve as a generative prior for solving general inverse problems. Current posterior sampling-based…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Shijie Zhou , Huaisheng Zhu , Rohan Sharma , Jiayi Chen , Ruiyi Zhang , Kaiyi Ji , Changyou Chen

Current perceptive models heavily depend on resource-intensive datasets, prompting the need for innovative solutions. Leveraging recent advances in diffusion models, synthetic data, by constructing image inputs from various annotations,…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Yibo Wang , Ruiyuan Gao , Kai Chen , Kaiqiang Zhou , Yingjie Cai , Lanqing Hong , Zhenguo Li , Lihui Jiang , Dit-Yan Yeung , Qiang Xu , Kai Zhang

Diffusion models have recently demonstrated an impressive ability to address inverse problems in an unsupervised manner. While existing methods primarily focus on modifying the posterior sampling process, the potential of the forward…

计算机视觉与模式识别 · 计算机科学 2024-05-03 Gongye Liu , Haoze Sun , Jiayi Li , Fei Yin , Yujiu Yang

Diffusion models (DMs) are a class of generative models that allow sampling from a distribution learned over a training set. When applied to solving inverse problems, the reverse sampling steps are modified to approximately sample from a…

图像与视频处理 · 电气工程与系统科学 2025-05-27 Ismail Alkhouri , Shijun Liang , Cheng-Han Huang , Jimmy Dai , Qing Qu , Saiprasad Ravishankar , Rongrong Wang

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

Discrete diffusion models have emerged as a promising direction for vision-language tasks, offering bidirectional context modeling and theoretical parallelization. However, their practical application is severely hindered by a…

计算与语言 · 计算机科学 2025-10-24 Yatai Ji , Teng Wang , Yuying Ge , Zhiheng Liu , Sidi Yang , Ying Shan , Ping Luo

Diffusion models have become emerging generative models. Their sampling process involves multiple steps, and in each step the models predict the noise from a noisy sample. When the models make prediction, the output deviates from the ground…

机器学习 · 计算机科学 2025-10-28 Shifeng Xu , Yanzhu Liu , Adams Wai-Kin Kong

Inverse problems arise in a multitude of applications, where the goal is to recover a clean signal from noisy and possibly (non)linear observations. The difficulty of a reconstruction problem depends on multiple factors, such as the ground…

图像与视频处理 · 电气工程与系统科学 2024-08-21 Zalan Fabian , Berk Tinaz , Mahdi Soltanolkotabi

The depth completion task is a critical problem in autonomous driving, involving the generation of dense depth maps from sparse depth maps and RGB images. Most existing methods employ a spatial propagation network to iteratively refine the…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Ming Yuan , Chuang Zhang , Lei He , Qing Xu , Jianqiang Wang

Diffusion models has emerged as a powerful framework for tasks like image controllable generation and dense prediction. However, existing models often struggle to capture underlying semantics (e.g., edges, textures, shapes) and effectively…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Zhong Ji , Weilong Cao , Yan Zhang , Yanwei Pang , Jungong Han , Xuelong Li

Diffusion models, a powerful and universal generative AI technology, have achieved tremendous success in computer vision, audio, reinforcement learning, and computational biology. In these applications, diffusion models provide flexible…

机器学习 · 计算机科学 2024-04-12 Minshuo Chen , Song Mei , Jianqing Fan , Mengdi Wang

Much effort has been put into developing samplers with specific properties, such as producing blue noise, low-discrepancy, lattice or Poisson disk samples. These samplers can be slow if they rely on optimization processes, may rely on a…

Conditional diffusion models have demonstrated impressive performance in image manipulation tasks. The general pipeline involves adding noise to the image and then denoising it. However, this method faces a trade-off problem: adding too…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Luozhou Wang , Shuai Yang , Shu Liu , Ying-cong Chen

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

Diffusion models have emerged as an expressive family of generative models rivaling GANs in sample quality and autoregressive models in likelihood scores. Standard diffusion models typically require hundreds of forward passes through the…

机器学习 · 计算机科学 2022-02-14 Daniel Watson , William Chan , Jonathan Ho , Mohammad Norouzi

The recent wave of large-scale text-to-image diffusion models has dramatically increased our text-based image generation abilities. These models can generate realistic images for a staggering variety of prompts and exhibit impressive…

机器学习 · 计算机科学 2023-09-14 Alexander C. Li , Mihir Prabhudesai , Shivam Duggal , Ellis Brown , Deepak Pathak