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Diffusion models have achieved outstanding image generation by reversing a forward noising process to approximate true data distributions. During training, these models predict diffusion scores from noised versions of true samples in a…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Dazhong Shen , Guanglu Song , Yi Zhang , Bingqi Ma , Lujundong Li , Dongzhi Jiang , Zhuofan Zong , Yu Liu

Prior works have proposed several strategies to reduce the computational cost of self-attention mechanism. Many of these works consider decomposing the self-attention procedure into regional and local feature extraction procedures that each…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Ting Yao , Yehao Li , Yingwei Pan , Yu Wang , Xiao-Ping Zhang , Tao Mei

Diffusion models excel in high-fidelity image generation but face scalability limits due to transformers' quadratic attention complexity. Plug-and-play token reduction methods like ToMeSD and ToFu reduce FLOPs by merging redundant tokens in…

机器学习 · 计算机科学 2025-12-02 Wenbo Lu , Shaoyi Zheng , Yuxuan Xia , Shengjie Wang

Recent Diffusion Transformers (DiTs) have shown impressive capabilities in generating high-quality single-modality content, including images, videos, and audio. However, it is still under-explored whether the transformer-based diffuser can…

计算机视觉与模式识别 · 计算机科学 2024-06-13 Kai Wang , Shijian Deng , Jing Shi , Dimitrios Hatzinakos , Yapeng Tian

We investigate the statistical and computational limits of latent Diffusion Transformers (DiTs) under the low-dimensional linear latent space assumption. Statistically, we study the universal approximation and sample complexity of the DiTs…

机器学习 · 统计学 2024-11-01 Jerry Yao-Chieh Hu , Weimin Wu , Zhao Song , Han Liu

Transformer architectures, particularly Diffusion Transformers (DiTs), have become widely used in diffusion and flow-matching models due to their strong performance compared to convolutional UNets. However, the isotropic design of DiTs…

计算机视觉与模式识别 · 计算机科学 2026-04-07 Quan Dao , Dimitris Metaxas

In this paper, we propose a novel efficient digital twin (DT) data processing scheme to reduce service latency for multicast short video streaming. Particularly, DT is constructed to emulate and analyze user status for multicast group…

网络与互联网体系结构 · 计算机科学 2024-04-23 Xinyu Huang , Shisheng Hu , Mushu Li , Cheng Huang , Xuemin Shen

Transformer-based Diffusion Probabilistic Models (DPMs) have shown more potential than CNN-based DPMs, yet their extensive computational requirements hinder widespread practical applications. To reduce the computation budget of…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Xinwang Chen , Ning Liu , Yichen Zhu , Feifei Feng , Jian Tang

Stable diffusion is an outstanding image generation model for text-to-image, but its time-consuming generation process remains a challenge due to the quadratic complexity of attention operations. Recent token merging methods improve…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Min-Jeong Lee , Hee-Dong Kim , Seong-Whan Lee

Diffusion transformers have shown significant effectiveness in both image and video synthesis at the expense of huge computation costs. To address this problem, feature caching methods have been introduced to accelerate diffusion…

机器学习 · 计算机科学 2025-02-20 Chang Zou , Xuyang Liu , Ting Liu , Siteng Huang , Linfeng Zhang

Diffusion transformers (DiTs) have emerged as a powerful architecture for high-fidelity image generation, yet the quadratic cost of self-attention poses a major scalability bottleneck. To address this, linear attention mechanisms have been…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Boyuan Cao , Xingbo Yao , Chenhui Wang , Jiaxin Ye , Yujie Wei , Hongming Shan

Leveraging the diffusion transformer (DiT) architecture, models like Sora, CogVideoX and Wan have achieved remarkable progress in text-to-video, image-to-video, and video editing tasks. Despite these advances, diffusion-based video…

Diffusion transformers have demonstrated remarkable capabilities in generating videos. However, their practical deployment is severely constrained by high memory usage and computational cost. Post-Training Quantization provides a practical…

计算机视觉与模式识别 · 计算机科学 2026-03-20 Rundong Su , Jintao Zhang , Zhihang Yuan , Haojie Duanmu , Jianfei Chen , Jun Zhu

Diffusion Transformers (DiTs) set the state of the art in visual generation, yet their quadratic self-attention cost fundamentally limits scaling to long token sequences. Recent Top-K sparse attention approaches reduce the computation of…

计算机视觉与模式识别 · 计算机科学 2025-12-19 Yifan Zhou , Zeqi Xiao , Tianyi Wei , Shuai Yang , Xingang Pan

Stable Diffusion has achieved remarkable success in the field of text-to-image generation, with its powerful generative capabilities and diverse generation results making a lasting impact. However, its iterative denoising introduces high…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Evelyn Zhang , Bang Xiao , Jiayi Tang , Qianli Ma , Chang Zou , Xuefei Ning , Xuming Hu , Linfeng Zhang

Diffusion models represent a new paradigm in text-to-image generation. Beyond generating high-quality images from text prompts, models such as Stable Diffusion have been successfully extended to the joint generation of semantic segmentation…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Pablo Marcos-Manchón , Roberto Alcover-Couso , Juan C. SanMiguel , Jose M. Martínez

The recent introduction of Diffusion Transformers (DiTs) has demonstrated exceptional capabilities in image generation by using a different backbone architecture, departing from traditional U-Nets and embracing the scalable nature of…

计算机视觉与模式识别 · 计算机科学 2024-10-18 Junyi Wu , Haoxuan Wang , Yuzhang Shang , Mubarak Shah , Yan Yan

Recent diffusion models enable high-quality video generation, but suffer from slow runtimes. The large transformer-based backbones used in these models are bottlenecked by spatiotemporal attention. In this paper, we identify that a…

计算机视觉与模式识别 · 计算机科学 2026-03-06 Shai Yehezkel , Shahar Yadin , Noam Elata , Yaron Ostrovsky-Berman , Bahjat Kawar

Diffusion Transformers (DiTs) have demonstrated exceptional performance in high-fidelity image and video generation. To reduce their substantial computational costs, feature caching techniques have been proposed to accelerate inference by…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Shikang Zheng , Liang Feng , Xinyu Wang , Qinming Zhou , Peiliang Cai , Chang Zou , Jiacheng Liu , Yuqi Lin , Junjie Chen , Yue Ma , Linfeng Zhang

Temporal Action Segmentation (TAS) is an essential task in video analysis, aiming to segment and classify continuous frames into distinct action segments. However, the ambiguous boundaries between actions pose a significant challenge for…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Shuaibing Wang , Shunli Wang , Mingcheng Li , Dingkang Yang , Haopeng Kuang , Ziyun Qian , Lihua Zhang