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The generation of medical images presents significant challenges due to their high-resolution and three-dimensional nature. Existing methods often yield suboptimal performance in generating high-quality 3D medical images, and there is…

图像与视频处理 · 电气工程与系统科学 2025-12-02 Haoshen Wang , Zhentao Liu , Kaicong Sun , Xiaodong Wang , Dinggang Shen , Zhiming Cui

Continuous Conditional Diffusion Model (CCDM) is a diffusion-based framework designed to generate high-quality images conditioned on continuous regression labels. Although CCDM has demonstrated clear advantages over prior approaches across…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Xin Ding , Yun Chen , Sen Zhang , Kao Zhang , Nenglun Chen , Peibei Cao , Yongwei Wang , Fei Wu

Score Distillation Sampling (SDS) has emerged as a prevalent technique for text-to-3D generation, enabling 3D content creation by distilling view-dependent information from text-to-2D guidance. However, they frequently exhibit shortcomings…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Zeyu Cai , Duotun Wang , Yixun Liang , Zhijing Shao , Ying-Cong Chen , Xiaohang Zhan , Zeyu Wang

Molecule generation, especially generating 3D molecular geometries from scratch (i.e., 3D \textit{de novo} generation), has become a fundamental task in drug designs. Existing diffusion-based 3D molecule generation methods could suffer from…

机器学习 · 计算机科学 2022-09-14 Lei Huang , Hengtong Zhang , Tingyang Xu , Ka-Chun Wong

Recent progress in diffusion-based visual generation has largely relied on latent diffusion models with variational autoencoders (VAEs). While effective for high-fidelity synthesis, this VAE+diffusion paradigm suffers from limited training…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Minglei Shi , Haolin Wang , Wenzhao Zheng , Ziyang Yuan , Xiaoshi Wu , Xintao Wang , Pengfei Wan , Jie Zhou , Jiwen Lu

Diffusion Transformers (DiTs) can generate short photorealistic videos, yet directly training and sampling longer videos with full attention across the video remains computationally challenging. Alternative methods break long videos down…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Bhishma Dedhia , David Bourgin , Krishna Kumar Singh , Yuheng Li , Yan Kang , Zhan Xu , Niraj K. Jha , Yuchen Liu

Most music generation models directly generate a single music mixture. To allow for more flexible and controllable generation, the Multi-Source Diffusion Model (MSDM) has been proposed to model music as a mixture of multiple instrumental…

音频与语音处理 · 电气工程与系统科学 2025-06-18 Zhongweiyang Xu , Debottam Dutta , Yu-Lin Wei , Romit Roy Choudhury

Diffusion models are widely recognized for generating high-quality and diverse images, but their poor real-time performance has led to numerous acceleration works, primarily focusing on UNet-based structures. With the more successful…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Pengtao Chen , Mingzhu Shen , Peng Ye , Jianjian Cao , Chongjun Tu , Christos-Savvas Bouganis , Yiren Zhao , Tao Chen

Due to the three-dimensional nature of CT- or MR-scans, generative modeling of medical images is a particularly challenging task. Existing approaches mostly apply patch-wise, slice-wise, or cascaded generation techniques to fit the…

图像与视频处理 · 电气工程与系统科学 2024-10-15 Paul Friedrich , Julia Wolleb , Florentin Bieder , Alicia Durrer , Philippe C. Cattin

While generative artificial intelligence has advanced significantly across text, image, audio, and video domains, 3D generation remains comparatively underdeveloped due to fundamental challenges such as data scarcity, algorithmic…

Recent advancements in sequence modeling have led to the development of the Mamba architecture, noted for its selective state space approach, offering a promising avenue for efficient long sequence handling. However, its application in 3D…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Shentong Mo

Diffusion Models have emerged as a leading class of generative models, yet their iterative sampling process remains computationally expensive. Timestep distillation is a promising technique to accelerate generation, but it often requires…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Guanjie Chen , Shirui Huang , Kai Liu , Jianchen Zhu , Xiaoye Qu , Peng Chen , Yu Cheng , Yifu Sun

Diffusion models (DMs) have become the new trend of generative models and have demonstrated a powerful ability of conditional synthesis. Among those, text-to-image diffusion models pre-trained on large-scale image-text pairs are highly…

计算机视觉与模式识别 · 计算机科学 2023-03-06 Wenliang Zhao , Yongming Rao , Zuyan Liu , Benlin Liu , Jie Zhou , Jiwen Lu

In recent years, there has been significant progress in the development of text-to-image generative models. Evaluating the quality of the generative models is one essential step in the development process. Unfortunately, the evaluation…

计算机视觉与模式识别 · 计算机科学 2024-03-26 Lin Zhao , Tianchen Zhao , Zinan Lin , Xuefei Ning , Guohao Dai , Huazhong Yang , Yu Wang

Accurate and uncertainty-aware trajectory prediction remains a core challenge for autonomous driving, driven by complex multi-agent interactions, diverse scene contexts and the inherently stochastic nature of future motion. Diffusion-based…

机器学习 · 计算机科学 2026-02-26 Marion Neumeier , Niklas Roßberg , Michael Botsch , Wolfgang Utschick

We present the vector quantized diffusion (VQ-Diffusion) model for text-to-image generation. This method is based on a vector quantized variational autoencoder (VQ-VAE) whose latent space is modeled by a conditional variant of the recently…

计算机视觉与模式识别 · 计算机科学 2022-03-04 Shuyang Gu , Dong Chen , Jianmin Bao , Fang Wen , Bo Zhang , Dongdong Chen , Lu Yuan , Baining Guo

Video Face Enhancement (VFE) aims to restore high-quality facial regions from degraded video sequences, enabling a wide range of practical applications. Despite substantial progress in the field, current methods that primarily rely on video…

计算机视觉与模式识别 · 计算机科学 2025-11-21 Shulian Zhang , Yong Guo , Long Peng , Ziyang Wang , Ye Chen , Wenbo Li , Xiao Zhang , Yulun Zhang , Jian Chen

Diffusion models, as powerful generative models, have found a wide range of applications and shown great potential in solving image reconstruction problems. Some works attempted to solve MRI reconstruction with diffusion models, but these…

图像与视频处理 · 电气工程与系统科学 2025-06-09 Xingjian Tang , Jingwei Guan , Linge Li , Ran Shi , Youmei Zhang , Mengye Lyu , Li Yan

Recently, 3D vision-based diffusion policies have shown strong capability in learning complex robotic manipulation skills. However, a common architectural mismatch exists in these models: a tiny yet efficient point-cloud encoder is often…

机器人学 · 计算机科学 2026-02-02 Jinhao Zhang , Zhexuan Zhou , Huizhe Li , Yichen Lai , Wenlong Xia , Haoming Song , Youmin Gong , Jie Mei

Diffusion models (DMs) have recently emerged as SoTA tools for generative modeling in various domains. Standard DMs can be viewed as an instantiation of hierarchical variational autoencoders (VAEs) where the latent variables are inferred…

计算机视觉与模式识别 · 计算机科学 2022-10-12 Jiatao Gu , Shuangfei Zhai , Yizhe Zhang , Miguel Angel Bautista , Josh Susskind