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Probabilistic denoising diffusion models (DDMs) have set a new standard for 2D image generation. Extending DDMs for 3D content creation is an active field of research. Here, we propose TetraDiffusion, a diffusion model that operates on a…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Nikolai Kalischek , Torben Peters , Jan D. Wegner , Konrad Schindler

Most neural vocoders are limited to one type: either GAN or diffusion-based. While state-of-the-art models like Vocos and WaveNeXt use powerful ConvNeXt-based generators, they have only been used in GAN frameworks and have limited…

音频与语音处理 · 电气工程与系统科学 2026-05-26 Wangzixi Zhou , Takuma Okamoto , Yamato Ohtani , Sakriani Sakti , Hisashi Kawai

Solving 3D medical inverse problems such as image restoration and reconstruction is crucial in modern medical field. However, the curse of dimensionality in 3D medical data leads mainstream volume-wise methods to suffer from high resource…

图像与视频处理 · 电气工程与系统科学 2024-05-27 Jia He , Bonan Li , Ge Yang , Ziwen Liu

Denoising Diffusion Models (DDMs) have become a popular tool for generating high-quality samples from complex data distributions. These models are able to capture sophisticated patterns and structures in the data, and can generate samples…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Emanuele Aiello , Diego Valsesia , Enrico Magli

Denoising diffusion models (DDMs) have shown promising results in 3D point cloud synthesis. To advance 3D DDMs and make them useful for digital artists, we require (i) high generation quality, (ii) flexibility for manipulation and…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Xiaohui Zeng , Arash Vahdat , Francis Williams , Zan Gojcic , Or Litany , Sanja Fidler , Karsten Kreis

Diffusion Transformer (DiT), an emerging diffusion model for visual generation, has demonstrated superior performance but suffers from substantial computational costs. Our investigations reveal that these costs primarily stem from the…

计算机视觉与模式识别 · 计算机科学 2026-01-15 Wangbo Zhao , Yizeng Han , Jiasheng Tang , Kai Wang , Hao Luo , Yibing Song , Gao Huang , Fan Wang , Yang You

Discrete diffusion models have recently shown great promise for modeling complex discrete data, with masked diffusion models (MDMs) offering a compelling trade-off between quality and generation speed. MDMs denoise by progressively…

机器学习 · 计算机科学 2026-04-15 Tianyu Xie , Shuchen Xue , Zijin Feng , Tianyang Hu , Jiacheng Sun , Zhenguo Li , Cheng Zhang

Collecting multi-view driving scenario videos to enhance the performance of 3D visual perception tasks presents significant challenges and incurs substantial costs, making generative models for realistic data an appealing alternative. Yet,…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Junpeng Jiang , Gangyi Hong , Miao Zhang , Hengtong Hu , Kun Zhan , Rui Shao , Liqiang Nie

Diffusion models have recently gained prominence as powerful deep generative models, demonstrating unmatched performance across various domains. However, their potential in multi-sensor fusion remains largely unexplored. In this work, we…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Duy-Tho Le , Hengcan Shi , Jianfei Cai , Hamid Rezatofighi

Diffusion models have recently emerged as a powerful technique in image generation, especially for image super-resolution tasks. While 2D diffusion models significantly enhance the resolution of individual images, existing diffusion-based…

计算机视觉与模式识别 · 计算机科学 2024-11-27 Bohao Chen , Yanchao Zhang , Yanan Lv , Hua Han , Xi Chen

Video Variational Autoencoder (VAE) encodes videos into a low-dimensional latent space, becoming a key component of most Latent Video Diffusion Models (LVDMs) to reduce model training costs. However, as the resolution and duration of…

计算机视觉与模式识别 · 计算机科学 2025-04-14 Zongjian Li , Bin Lin , Yang Ye , Liuhan Chen , Xinhua Cheng , Shenghai Yuan , Li Yuan

Vision-language models (VLMs) predominantly rely on autoregressive decoding, which generates tokens one at a time and fundamentally limits inference throughput. This limitation is especially acute in physical AI scenarios such as robotics…

Recent advances in Vision-Language Models (VLMs) have enabled unified understanding across text and images, yet equipping these models with robust image generation capabilities remains challenging. Existing approaches often rely on…

计算机视觉与模式识别 · 计算机科学 2025-10-09 Xiangyi Chen , Théophane Vallaeys , Maha Elbayad , John Nguyen , Jakob Verbeek

We introduce Efficient Motion Diffusion Model (EMDM) for fast and high-quality human motion generation. Current state-of-the-art generative diffusion models have produced impressive results but struggle to achieve fast generation without…

计算机视觉与模式识别 · 计算机科学 2024-11-26 Wenyang Zhou , Zhiyang Dou , Zeyu Cao , Zhouyingcheng Liao , Jingbo Wang , Wenjia Wang , Yuan Liu , Taku Komura , Wenping Wang , Lingjie Liu

Latent diffusion models with Transformer architectures excel at generating high-fidelity images. However, recent studies reveal an optimization dilemma in this two-stage design: while increasing the per-token feature dimension in visual…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Jingfeng Yao , Bin Yang , Xinggang Wang

Diffusion models have revolutionized image generation, and their extension to video generation has shown promise. However, current video diffusion models~(VDMs) rely on a scalar timestep variable applied at the clip level, which limits…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Yaofang Liu , Yumeng Ren , Xiaodong Cun , Aitor Artola , Yang Liu , Tieyong Zeng , Raymond H. Chan , Jean-michel Morel

We propose a novel approach for probabilistic generative modeling of 3D shapes. Unlike most existing models that learn to deterministically translate a latent vector to a shape, our model, Point-Voxel Diffusion (PVD), is a unified,…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Linqi Zhou , Yilun Du , Jiajun Wu

Recent advances in 4D generation mainly focus on generating 4D content by distilling pre-trained text or single-view image-conditioned models. It is inconvenient for them to take advantage of various off-the-shelf 3D assets with multi-view…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Yanqin Jiang , Chaohui Yu , Chenjie Cao , Fan Wang , Weiming Hu , Jin Gao

The Diffusion Transformer (DiT) architecture is the state-of-the-art paradigm for high-fidelity image generation, underpinning models like Stable Diffusion-3 and FLUX.1. However, deploying these models on resource-constrained mobile devices…

计算机视觉与模式识别 · 计算机科学 2026-05-18 Kunpeng Du , Haizhen Xie , Sen Lu , Lei Yu , Binglei Bao , Huaao Tang , Chuntao Liu , Hao Wu , Yang Zhao , Zhicai Huang , Heyuan Gao , Zhijun Tu , Jie Hu , Xinghao Chen

We present VecFusion, a new neural architecture that can generate vector fonts with varying topological structures and precise control point positions. Our approach is a cascaded diffusion model which consists of a raster diffusion model…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Vikas Thamizharasan , Difan Liu , Shantanu Agarwal , Matthew Fisher , Michael Gharbi , Oliver Wang , Alec Jacobson , Evangelos Kalogerakis