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Vision transformers (ViTs) have gained increasing popularity as they are commonly believed to own higher modeling capacity and representation flexibility, than traditional convolutional networks. However, it is questionable whether such…

机器学习 · 计算机科学 2022-03-15 Tianlong Chen , Zhenyu Zhang , Yu Cheng , Ahmed Awadallah , Zhangyang Wang

Diffusion Models (DMs) are state-of-the-art generative models that learn a reversible corruption process from iterative noise addition and denoising. They are the backbone of many generative AI applications, such as text-to-image…

密码学与安全 · 计算机科学 2024-01-01 Sheng-Yen Chou , Pin-Yu Chen , Tsung-Yi Ho

Diffusion models, as a novel generative paradigm, have achieved remarkable success in various image generation tasks such as image inpainting, image-to-text translation, and video generation. Graph generation is a crucial computational task…

机器学习 · 计算机科学 2023-08-29 Chengyi Liu , Wenqi Fan , Yunqing Liu , Jiatong Li , Hang Li , Hui Liu , Jiliang Tang , Qing Li

Diffusion Transformer (DiT), a promising diffusion model for visual generation, demonstrates impressive performance but incurs significant computational overhead. Intriguingly, analysis of pre-trained DiT models reveals that global…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Yuang Ai , Qihang Fan , Xuefeng Hu , Zhenheng Yang , Ran He , Huaibo Huang

While diffusion models excel at image synthesis, useful representations have been shown to emerge from generative pre-training, suggesting a path towards unified generative and discriminative learning. However, suboptimal semantic flow…

计算机视觉与模式识别 · 计算机科学 2025-12-23 Weilai Xiang , Hongyu Yang , Di Huang , Yunhong Wang

A diffusion probabilistic model (DPM), which constructs a forward diffusion process by gradually adding noise to data points and learns the reverse denoising process to generate new samples, has been shown to handle complex data…

计算机视觉与模式识别 · 计算机科学 2023-10-16 Zhengxiong Luo , Dayou Chen , Yingya Zhang , Yan Huang , Liang Wang , Yujun Shen , Deli Zhao , Jingren Zhou , Tieniu Tan

With the success of image generation, generative diffusion models are increasingly adopted for discriminative tasks, as pixel generation provides a unified perception interface. However, directly repurposing the generative denoising process…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Ziqi Pang , Xin Xu , Yu-Xiong Wang

We propose DAVIS, a Diffusion-based Audio-VIsual Separation framework that solves the audio-visual sound source separation task through generative learning. Existing methods typically frame sound separation as a mask-based regression…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Chao Huang , Susan Liang , Yapeng Tian , Anurag Kumar , Chenliang Xu

There still remains an extreme performance gap between Vision Transformers (ViTs) and Convolutional Neural Networks (CNNs) when training from scratch on small datasets, which is concluded to the lack of inductive bias. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2023-01-02 Zhiying Lu , Hongtao Xie , Chuanbin Liu , Yongdong Zhang

In this paper, we rethink the low-light image enhancement task and propose a physically explainable and generative diffusion model for low-light image enhancement, termed as Diff-Retinex. We aim to integrate the advantages of the physical…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Xunpeng Yi , Han Xu , Hao Zhang , Linfeng Tang , Jiayi Ma

This work targets to merge various Vision Transformers (ViTs) trained on different tasks (i.e., datasets with different object categories) or domains (i.e., datasets with the same categories but different environments) into one unified…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Peng Ye , Chenyu Huang , Mingzhu Shen , Tao Chen , Yongqi Huang , Yuning Zhang , Wanli Ouyang

Diffusion-based generative models have exhibited powerful generative performance in recent years. However, as many attributes exist in the data distribution and owing to several limitations of sharing the model parameters across all levels…

音频与语音处理 · 电气工程与系统科学 2023-05-26 Ha-Yeong Choi , Sang-Hoon Lee , Seong-Whan Lee

Discrete diffusion has achieved state-of-the-art performance, outperforming or approaching autoregressive models on standard benchmarks. In this work, we introduce Discrete Diffusion with Planned Denoising (DDPD), a novel framework that…

机器学习 · 计算机科学 2025-04-11 Sulin Liu , Juno Nam , Andrew Campbell , Hannes Stärk , Yilun Xu , Tommi Jaakkola , Rafael Gómez-Bombarelli

Image compression under ultra-low bitrates remains challenging for both conventional learned image compression (LIC) and generative vector-quantized (VQ) modeling. Conventional LIC suffers from severe artifacts due to heavy quantization,…

计算机视觉与模式识别 · 计算机科学 2025-11-24 Lei Lu , Yize Li , Yanzhi Wang , Wei Wang , Wei Jiang

In recent years, the results of view-based 3D shape recognition methods have saturated, and models with excellent performance cannot be deployed on memory-limited devices due to their huge size of parameters. To address this problem, we…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Lixiang Xu , Qingzhe Cui , Richang Hong , Wei Xu , Enhong Chen , Xin Yuan , Chenglong Li , Yuanyan Tang

We propose the Binary Diffusion Probabilistic Model (BDPM), a generative framework specifically designed for data representations in binary form. Conventional denoising diffusion probabilistic models (DDPMs) assume continuous inputs, use…

计算机视觉与模式识别 · 计算机科学 2025-10-01 Vitaliy Kinakh , Slava Voloshynovskiy

Vision transformers (ViT) have shown promise in various vision tasks while the U-Net based on a convolutional neural network (CNN) remains dominant in diffusion models. We design a simple and general ViT-based architecture (named U-ViT) for…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Fan Bao , Shen Nie , Kaiwen Xue , Yue Cao , Chongxuan Li , Hang Su , Jun Zhu

Diffusion models have fundamentally transformed the field of generative models, making the assessment of similarity between customized model outputs and reference inputs critically important. However, traditional perceptual similarity…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Yiren Song , Xiaokang Liu , Mike Zheng Shou

Beyond high-fidelity image synthesis, diffusion models have recently exhibited promising results in dense visual perception tasks. However, most existing work treats diffusion models as a standalone component for perception tasks, employing…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Shuhong Zheng , Zhipeng Bao , Ruoyu Zhao , Martial Hebert , Yu-Xiong Wang

Network optimization is a fundamental challenge in the Internet of Things (IoT) network, often characterized by complex features that make it difficult to solve these problems. Recently, generative diffusion models (GDMs) have emerged as a…