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In this paper we propose a novel point cloud generator that is able to reconstruct and generate 3D point clouds composed of semantic parts. Given a latent representation of the target 3D model, the generation starts from a single point and…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Wei-Jan Ko , Hui-Yu Huang , Yu-Liang Kuo , Chen-Yi Chiu , Li-Heng Wang , Wei-Chen Chiu

In this paper, we present a novel shape reconstruction method leveraging diffusion model to generate 3D sparse point cloud for the object captured in a single RGB image. Recent methods typically leverage global embedding or local…

计算机视觉与模式识别 · 计算机科学 2023-08-16 Yan Di , Chenyangguang Zhang , Pengyuan Wang , Guangyao Zhai , Ruida Zhang , Fabian Manhardt , Benjamin Busam , Xiangyang Ji , Federico Tombari

We introduce the Quartet of Diffusions, a structure-aware point cloud generation framework that explicitly models part composition and symmetry. Unlike prior methods that treat shape generation as a holistic process or only support part…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Chenliang Zhou , Fangcheng Zhong , Weihao Xia , Albert Miao , Canberk Baykal , Cengiz Oztireli

Generative models are used as an alternative data augmentation technique to alleviate the data scarcity problem faced in the medical imaging field. Diffusion models have gathered special attention due to their innovative generation…

图像与视频处理 · 电气工程与系统科学 2024-03-27 Ricardo Montoya-del-Angel , Karla Sam-Millan , Joan C Vilanova , Robert Martí

Talking face generation has historically struggled to produce head movements and natural facial expressions without guidance from additional reference videos. Recent developments in diffusion-based generative models allow for more realistic…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Michał Stypułkowski , Konstantinos Vougioukas , Sen He , Maciej Zięba , Stavros Petridis , Maja Pantic

With advancements in video generative AI models (e.g., SORA), creators are increasingly using these techniques to enhance video previsualization. However, they face challenges with incomplete and mismatched AI workflows. Existing methods…

计算机视觉与模式识别 · 计算机科学 2024-09-02 Yiran Chen , Anyi Rao , Xuekun Jiang , Shishi Xiao , Ruiqing Ma , Zeyu Wang , Hui Xiong , Bo Dai

Diffusion Models have become a cornerstone of modern generative AI for their exceptional generation quality and controllability. However, their inherent \textit{multi-step iterations} and \textit{complex backbone networks} lead to…

Digital modeling and reconstruction of human faces serve various applications. However, its availability is often hindered by the requirements of data capturing devices, manual labor, and suitable actors. This situation restricts the…

计算机视觉与模式识别 · 计算机科学 2026-02-06 Yunxuan Cai , Sitao Xiang , Zongjian Li , Haiwei Chen , Yajie Zhao

Diffusion models have significantly advanced text-to-image generation, laying the foundation for the development of personalized generative frameworks. However, existing methods lack precise layout controllability and overlook the potential…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Wei Li , Hebei Li , Yansong Peng , Siying Wu , Yueyi Zhang , Xiaoyan Sun

The scarcity of large-scale palmprint databases poses a significant bottleneck to advancements in contactless palmprint recognition. To address this, researchers have turned to synthetic data generation. While Generative Adversarial…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Steven A. Grosz , Anil K. Jain

We report a series of deep learning models to solve complex forward and inverse design problems in molecular modeling and design. Using both diffusion models inspired by nonequilibrium thermodynamics and attention-based transformer…

材料科学 · 物理学 2023-06-21 Rachel K. Luu , Marcin Wysokowski , Markus J. Buehler

Data imputation and data generation have important applications for many domains, like healthcare and finance, where incomplete or missing data can hinder accurate analysis and decision-making. Diffusion models have emerged as powerful…

机器学习 · 计算机科学 2025-06-10 Mario Villaizán-Vallelado , Matteo Salvatori , Carlos Segura , Ioannis Arapakis

We seek to give users precise control over diffusion-based image generation by modeling complex scenes as sequences of layers, which define the desired spatial arrangement and visual attributes of objects in the scene. Collage Diffusion…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Vishnu Sarukkai , Linden Li , Arden Ma , Christopher Ré , Kayvon Fatahalian

Generating realistic 3D point clouds is a fundamental problem in computer vision with applications in remote sensing, robotics, and digital object modeling. Existing generative approaches primarily capture geometry, and when semantics are…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Gunner Stone , Sushmita Sarker , Alireza Tavakkoli

Ship design is a complex design process that may take a team of naval architects many years to complete. Improving the ship design process can lead to significant cost savings, while still delivering high-quality designs to customers. A new…

系统与控制 · 电气工程与系统科学 2024-07-08 Noah J. Bagazinski , Faez Ahmed

Speech super-resolution (SR) is the task that restores high-resolution speech from low-resolution input. Existing models employ simulated data and constrained experimental settings, which limit generalization to real-world SR. Predictive…

音频与语音处理 · 电气工程与系统科学 2024-01-26 Heming Wang , Eric W. Healy , DeLiang Wang

The generation of LiDAR scans is a growing topic with diverse applications to autonomous driving. However, scan generation remains challenging, especially when compared to the rapid advancement of image and 3D object generation. We consider…

计算机视觉与模式识别 · 计算机科学 2025-09-29 Ellington Kirby , Mickael Chen , Renaud Marlet , Nermin Samet

Diffusion models have become prevalent in generative modeling due to their ability to sample from complex distributions. To improve the quality of generated samples and their compliance with user requirements, two commonly used methods are:…

机器学习 · 计算机科学 2025-12-01 Shervin Khalafi , Ignacio Hounie , Dongsheng Ding , Alejandro Ribeiro

The latest advances in artificial intelligence (AI) present many unprecedented opportunities to achieve much improved bandwidth saving in communications. Unlike conventional communication systems focusing on packet transport, rich datasets…

机器学习 · 计算机科学 2023-12-07 Achintha Wijesinghe , Songyang Zhang , Suchinthaka Wanninayaka , Weiwei Wang , Zhi Ding

Recent advancements in layout pattern generation have been dominated by deep generative models. However, relying solely on neural networks for legality guarantees raises concerns in many practical applications. In this paper, we present…

机器学习 · 计算机科学 2025-05-09 Zixiao Wang , Wenqian Zhao , Yunheng Shen , Yang Bai , Guojin Chen , Farzan Farnia , Bei Yu