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Diffusion models have recently shown great promise for generative modeling, outperforming GANs on perceptual quality and autoregressive models at density estimation. A remaining downside is their slow sampling time: generating high quality…

机器学习 · 计算机科学 2022-06-08 Tim Salimans , Jonathan Ho

As deep learning models grow in complexity and the volume of training data increases, reducing storage and computational costs becomes increasingly important. Dataset distillation addresses this challenge by synthesizing a compact set of…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Zhe Li , Sarah Cechnicka , Cheng Ouyang , Katharina Breininger , Peter Schüffler , Bernhard Kainz

While vision transformers have achieved impressive results, effectively and efficiently accelerating these models can further boost performances. In this work, we propose a dense/sparse training framework to obtain a unified model, enabling…

计算机视觉与模式识别 · 计算机科学 2022-10-13 Ling Li , David Thorsley , Joseph Hassoun

Autoregressive sequence Generation models have achieved state-of-the-art performance in areas like machine translation and image captioning. These models are autoregressive in that they generate each word by conditioning on previously…

计算与语言 · 计算机科学 2021-01-26 Longteng Guo , Jing Liu , Xinxin Zhu , Hanqing Lu

3D asset generation is getting massive amounts of attention, inspired by the recent success of text-guided 2D content creation. Existing text-to-3D methods use pretrained text-to-image diffusion models in an optimization problem or…

计算机视觉与模式识别 · 计算机科学 2024-07-30 Lukas Höllein , Aljaž Božič , Norman Müller , David Novotny , Hung-Yu Tseng , Christian Richardt , Michael Zollhöfer , Matthias Nießner

An ongoing trend in generative modelling research has been to push sample resolutions higher whilst simultaneously reducing computational requirements for training and sampling. We aim to push this trend further via the combination of…

计算机视觉与模式识别 · 计算机科学 2022-06-27 Alex F. McKinney , Chris G. Willcocks

Recent advances in generative deep learning have enabled the creation of high-quality synthetic images in text-to-image generation. Prior work shows that fine-tuning a pretrained diffusion model on ImageNet and generating synthetic training…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Zhuoran Yu , Chenchen Zhu , Sean Culatana , Raghuraman Krishnamoorthi , Fanyi Xiao , Yong Jae Lee

This paper presents a novel approach that enables autoregressive video generation with high efficiency. We propose to reformulate the video generation problem as a non-quantized autoregressive modeling of temporal frame-by-frame prediction…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Haoge Deng , Ting Pan , Haiwen Diao , Zhengxiong Luo , Yufeng Cui , Huchuan Lu , Shiguang Shan , Yonggang Qi , Xinlong Wang

Recently, autoregressive (AR) image models have demonstrated remarkable generative capabilities, positioning themselves as a compelling alternative to diffusion models. However, their sequential nature leads to long inference times,…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Junhyuk So , Juncheol Shin , Hyunho Kook , Eunhyeok Park

In this work, we propose a novel framework to enable diffusion models to adapt their generation quality based on real-time network bandwidth constraints. Traditional diffusion models produce high-fidelity images by performing a fixed number…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Xi Zhang , Hanwei Zhu , Yan Zhong , Jiamang Wang , Weisi Lin

Latent-space modeling has been the standard for Diffusion Transformers (DiTs). However, it relies on a two-stage pipeline where the pretrained autoencoder introduces lossy reconstruction, leading to error accumulation while hindering joint…

计算机视觉与模式识别 · 计算机科学 2026-04-17 Yongsheng Yu , Wei Xiong , Weili Nie , Yichen Sheng , Shiqiu Liu , Jiebo Luo

Recently, AutoRegressive (AR) models for the whole image generation empowered by transformers have achieved comparable or even better performance to Generative Adversarial Networks (GANs). Unfortunately, directly applying such AR models to…

计算机视觉与模式识别 · 计算机科学 2021-10-19 Chenjie Cao , Yuxin Hong , Xiang Li , Chengrong Wang , Chengming Xu , XiangYang Xue , Yanwei Fu

Recent studies have demonstrated the effectiveness of token-based methods for visual content generation. As a representative work, non-autoregressive Transformers (NATs) are able to synthesize images with decent quality in a small number of…

计算机视觉与模式识别 · 计算机科学 2024-09-13 Zanlin Ni , Yulin Wang , Renping Zhou , Rui Lu , Jiayi Guo , Jinyi Hu , Zhiyuan Liu , Yuan Yao , Gao Huang

Non-autoregressive (NAR) models generate all the tokens of a sequence in parallel, resulting in faster generation speed compared to their autoregressive (AR) counterparts but at the cost of lower accuracy. Different techniques including…

计算与语言 · 计算机科学 2020-05-12 Yi Ren , Jinglin Liu , Xu Tan , Zhou Zhao , Sheng Zhao , Tie-Yan Liu

Unpaired Image-to-Image Translation (UIT) focuses on translating images among different domains by using unpaired data, which has received increasing research focus due to its practical usage. However, existing UIT schemes defect in the…

计算机视觉与模式识别 · 计算机科学 2019-04-30 Xinyang Li , Jie Hu , Shengchuan Zhang , Xiaopeng Hong , Qixiang Ye , Chenglin Wu , Rongrong Ji

Recent image generative models typically capture the image distribution in a pre-constructed latent space, relying on a frozen image tokenizer. However, there exists a significant discrepancy between the reconstruction and generation…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Kai Qiu , Xiang Li , Hao Chen , Jason Kuen , Xiaohao Xu , Jiuxiang Gu , Yinyi Luo , Bhiksha Raj , Zhe Lin , Marios Savvides

In this work, we first revisit the sampling issues in current autoregressive (AR) image generation models and identify that image tokens, unlike text tokens, exhibit lower information density and non-uniform spatial distribution.…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Xiaoxiao Ma , Feng Zhao , Pengyang Ling , Haibo Qiu , Zhixiang Wei , Hu Yu , Jie Huang , Zhixiong Zeng , Lin Ma

Synthetic data generation is an important application of machine learning in the field of medical imaging. While existing approaches have successfully applied fine-tuned diffusion models for synthesizing medical images, we explore potential…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Lakshmi Nair

Autoregressive (AR) models have garnered significant attention in image generation for their ability to effectively capture both local and global structures within visual data. However, prevalent AR models predominantly rely on the…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Yuxin Mao , Zhen Qin , Jinxing Zhou , Hui Deng , Xuyang Shen , Bin Fan , Jing Zhang , Yiran Zhong , Yuchao Dai

Visual Auto-Regressive modeling (VAR) has shown promise in bridging the speed and quality gap between autoregressive image models and diffusion models. VAR reformulates autoregressive modeling by decomposing an image into successive…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Hermann Kumbong , Xian Liu , Tsung-Yi Lin , Ming-Yu Liu , Xihui Liu , Ziwei Liu , Daniel Y. Fu , Christopher Ré , David W. Romero