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One-step generators distilled from Masked Diffusion Models (MDMs) compress multiple sampling steps into a single forward pass, enabling efficient text and image synthesis. However, they suffer two key limitations: they inherit modeling bias…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Yuanzhi Zhu , Xi Wang , Stéphane Lathuilière , Vicky Kalogeiton

Diffusion distillation is a widely used technique to reduce the sampling cost of diffusion models, yet it often requires extensive training, and the student performance tends to be degraded. Recent studies show that incorporating a GAN…

机器学习 · 计算机科学 2025-06-12 Bowen Zheng , Tianming Yang

Autoregressive (AR) models with diffusion heads have recently achieved strong text-to-audio performance, yet their iterative decoding and multi-step sampling process introduce high-latency issues. To address this bottleneck, we propose a…

With the rapid development of text-to-vision generation diffusion models, classifier-free guidance has emerged as the most prevalent method for conditioning. However, this approach inherently requires twice as many steps for model…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Huixuan Zhang , Junzhe Zhang , Xiaojun Wan

Synthesizing high-fidelity complex images from text is challenging. Based on large pretraining, the autoregressive and diffusion models can synthesize photo-realistic images. Although these large models have shown notable progress, there…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Ming Tao , Bing-Kun Bao , Hao Tang , Changsheng Xu

Due to their powerful image generation capabilities, diffusion-based adversarial example generation methods through image editing are rapidly gaining popularity. However, due to reliance on the discriminative capability of the diffusion…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Gaozheng Pei , Ke Ma , Dongpeng Zhang , Chengzhi Sun , Qianqian Xu , Qingming Huang

This work aims at transferring a Generative Adversarial Network (GAN) pre-trained on one image domain to a new domain referring to as few as just one target image. The main challenge is that, under limited supervision, it is extremely…

计算机视觉与模式识别 · 计算机科学 2021-11-19 Ceyuan Yang , Yujun Shen , Zhiyi Zhang , Yinghao Xu , Jiapeng Zhu , Zhirong Wu , Bolei Zhou

Discrete diffusion models excel at visual synthesis but rely on slow, iterative decoding. Existing single-step distillation methods attempt to bypass this bottleneck, either by training auxiliary score networks that effectively double…

计算机视觉与模式识别 · 计算机科学 2026-05-21 Chaoyang Wang , Yunhai Tong

Building on top of the success of generative adversarial networks (GANs), conditional GANs attempt to better direct the data generation process by conditioning with certain additional information. Inspired by the most recent AC-GAN, in this…

计算机视觉与模式识别 · 计算机科学 2018-05-08 Chengcheng Li , Zi Wang , Hairong Qi

Diffusion- and flow-based models have emerged as state-of-the-art generative modeling approaches, but they require many sampling steps. Consistency models can distill these models into efficient one-step generators; however, unlike flow-…

计算机视觉与模式识别 · 计算机科学 2025-06-18 Amirmojtaba Sabour , Sanja Fidler , Karsten Kreis

Diffusion-based video generation models have demonstrated remarkable success in obtaining high-fidelity videos through the iterative denoising process. However, these models require multiple denoising steps during sampling, resulting in…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Zhixing Zhang , Yanyu Li , Yushu Wu , Yanwu Xu , Anil Kag , Ivan Skorokhodov , Willi Menapace , Aliaksandr Siarohin , Junli Cao , Dimitris Metaxas , Sergey Tulyakov , Jian Ren

Recent studies have shown that proximal gradient (PG) method and accelerated gradient method (APG) with restarting can enjoy a linear convergence under a weaker condition than strong convexity, namely a quadratic growth condition (QGC).…

最优化与控制 · 数学 2017-05-16 Mingrui Liu , Tianbao Yang

Though diffusion models excel in image generation, their step-by-step denoising leads to slow generation speeds. Consistency training addresses this issue with single-step sampling but often produces lower-quality generations and requires…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Fei Kong , Jinhao Duan , Lichao Sun , Hao Cheng , Renjing Xu , Hengtao Shen , Xiaofeng Zhu , Xiaoshuang Shi , Kaidi Xu

Text-to-image generation aims at generating realistic images which are semantically consistent with the given text. Previous works mainly adopt the multi-stage architecture by stacking generator-discriminator pairs to engage multiple…

计算机视觉与模式识别 · 计算机科学 2024-01-23 Mengqi Huang , Zhendong Mao , Penghui Wang , Quan Wang , Yongdong Zhang

Recent works have empirically analyzed in-context learning and shown that transformers trained on synthetic linear regression tasks can learn to implement ridge regression, which is the Bayes-optimal predictor, given sufficient capacity…

机器学习 · 计算机科学 2023-07-10 Arvind Mahankali , Tatsunori B. Hashimoto , Tengyu Ma

The current conditional autoregressive image generation methods have shown promising results, yet their potential remains largely unexplored in the practical unsupervised image translation domain, which operates without explicit…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Yi Liu , Shengqian Li , Zuzeng Lin , Feng Wang , Si Liu

Projected Gradient Descent (PGD) is a strong and widely used first-order adversarial attack, yet its computational cost scales poorly, as all training samples undergo identical iterative inner-loop optimization despite contributing…

机器学习 · 计算机科学 2025-12-29 Youran Ye , Dejin Wang , Ajinkya Bhandare

The adversarial methods showed advanced performance by producing synthetic images to mitigate the domain shift, a common problem due to the hardship of acquiring labelled data in medical field. Most existing studies focus on modifying the…

图像与视频处理 · 电气工程与系统科学 2023-05-09 Xinwen Zhang , Chaoyi Zhang , Dongnan Liu , Qianbi Yu , Weidong Cai

As a highly expressive generative model, diffusion models have demonstrated exceptional success across various domains, including image generation, natural language processing, and combinatorial optimization. However, as data distributions…

机器学习 · 计算机科学 2025-10-27 Myunsoo Kim , Donghyeon Ki , Seong-Woong Shim , Byung-Jun Lee

In this work, we address two limitations of existing conditional diffusion models: their slow inference speed due to the iterative denoising process and their reliance on paired data for model fine-tuning. To tackle these issues, we…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Gaurav Parmar , Taesung Park , Srinivasa Narasimhan , Jun-Yan Zhu