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Diffusion models have shown great promise for image generation, beating GANs in terms of generation diversity, with comparable image quality. However, their application to 3D shapes has been limited to point or voxel representations that…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Gimin Nam , Mariem Khlifi , Andrew Rodriguez , Alberto Tono , Linqi Zhou , Paul Guerrero

We introduce 3D Gaussian blendshapes for modeling photorealistic head avatars. Taking a monocular video as input, we learn a base head model of neutral expression, along with a group of expression blendshapes, each of which corresponds to a…

Graphics · Computer Science 2024-05-03 Shengjie Ma , Yanlin Weng , Tianjia Shao , Kun Zhou

Animatable head avatar generation typically requires extensive data for training. To reduce the data requirements, a natural solution is to leverage existing data-free static avatar generation methods, such as pre-trained diffusion models…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Zhenglin Zhou , Fan Ma , Hehe Fan , Tat-Seng Chua

We present RodinHD, which can generate high-fidelity 3D avatars from a portrait image. Existing methods fail to capture intricate details such as hairstyles which we tackle in this paper. We first identify an overlooked problem of…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Bowen Zhang , Yiji Cheng , Chunyu Wang , Ting Zhang , Jiaolong Yang , Yansong Tang , Feng Zhao , Dong Chen , Baining Guo

2D portrait animation has experienced significant advancements in recent years. Much research has utilized the prior knowledge embedded in large generative diffusion models to enhance high-quality image manipulation. However, most methods…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Xinya Ji , Gaspard Zoss , Prashanth Chandran , Lingchen Yang , Xun Cao , Barbara Solenthaler , Derek Bradley

In this paper, we propose a novel diffusion-based multi-condition controllable framework for video head swapping, which seamlessly transplant a human head from a static image into a dynamic video, while preserving the original body and…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Chaonan Ji , Jinwei Qi , Peng Zhang , Bang Zhang , Liefeng Bo

We propose PFAvatar (Pose-Fusion Avatar), a new method that reconstructs high-quality 3D avatars from Outfit of the Day(OOTD) photos, which exhibit diverse poses, occlusions, and complex backgrounds. Our method consists of two stages: (1)…

Computer Vision and Pattern Recognition · Computer Science 2025-11-19 Dianbing Xi , Guoyuan An , Jingsen Zhu , Zhijian Liu , Yuan Liu , Ruiyuan Zhang , Jiayuan Lu , Yuchi Huo , Rui Wang

Real-time speech-driven 3D facial animation has been attractive in academia and industry. Traditional methods mainly focus on learning a deterministic mapping from speech to animation. Recent approaches start to consider the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Peng Chen , Xiaobao Wei , Ming Lu , Hui Chen , Feng Tian

Recent progress in diffusion models has significantly advanced the field of human image animation. While existing methods can generate temporally consistent results for short or regular motions, significant challenges remain, particularly…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Shen Zheng , Jiaran Cai , Yuansheng Guan , Shenneng Huang , Xingpei Ma , Junjie Cao , Hanfeng Zhao , Qiang Zhang , Shunsi Zhang , Xiao-Ping Zhang

We present a data-driven method for learning to generate animations of 3D garments using a 2D image diffusion model. In contrast to existing methods, typically based on fully connected networks, graph neural networks, or generative…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Raquel Vidaurre , Elena Garces , Dan Casas

We propose a method to learn a high-quality implicit 3D head avatar from a monocular RGB video captured in the wild. The learnt avatar is driven by a parametric face model to achieve user-controlled facial expressions and head poses. Our…

Different forms of customized 2D avatars are widely used in gaming applications, virtual communication, education, and content creation. However, existing approaches often fail to capture fine-grained facial expressions and struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Hao Yu , Rupayan Mallick , Margrit Betke , Sarah Adel Bargal

Human-centric generative models designed for AI-driven storytelling must bring together two core capabilities: identity consistency and precise control over human performance. While recent diffusion-based approaches have made significant…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Foivos Paraperas Papantoniou , Stefanos Zafeiriou

We present DiffPortrait3D, a conditional diffusion model that is capable of synthesizing 3D-consistent photo-realistic novel views from as few as a single in-the-wild portrait. Specifically, given a single RGB input, we aim to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Yuming Gu , You Xie , Hongyi Xu , Guoxian Song , Yichun Shi , Di Chang , Jing Yang , Linjie Luo

Talking head generation is a significant research topic that still faces numerous challenges. Previous works often adopt generative adversarial networks or regression models, which are plagued by generation quality and average facial shape…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Ziyu Yao , Xuxin Cheng , Zhiqi Huang

Neural rendering for interactive applications requires translating geometric and material properties (G-buffer) to photorealistic images with realistic lighting on a frame-by-frame basis. While recent diffusion-based approaches show promise…

Computer Vision and Pattern Recognition · Computer Science 2025-12-19 Ole Beisswenger , Jan-Niklas Dihlmann , Hendrik P. A. Lensch

We introduce AvatarForge, a framework for generating animatable 3D human avatars from text or image inputs using AI-driven procedural generation. While diffusion-based methods have made strides in general 3D object generation, they struggle…

Computer Vision and Pattern Recognition · Computer Science 2025-03-12 Xinhang Liu , Yu-Wing Tai , Chi-Keung Tang

Generating novel views of a natural scene, e.g., every-day scenes both indoors and outdoors, from a single view is an under-explored problem, even though it is an organic extension to the object-centric novel view synthesis. Existing…

Computer Vision and Pattern Recognition · Computer Science 2025-11-13 Wonbong Jang , Jonathan Tremblay , Lourdes Agapito

This paper presents a 3D generative model that uses diffusion models to automatically generate 3D digital avatars represented as neural radiance fields. A significant challenge in generating such avatars is that the memory and processing…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Tengfei Wang , Bo Zhang , Ting Zhang , Shuyang Gu , Jianmin Bao , Tadas Baltrusaitis , Jingjing Shen , Dong Chen , Fang Wen , Qifeng Chen , Baining Guo

Animating stylized avatars with dynamic poses and expressions has attracted increasing attention for its broad range of applications. Previous research has made significant progress by training controllable generative models to synthesize…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Ken Chen , Sachith Seneviratne , Wei Wang , Dongting Hu , Sanjay Saha , Md. Tarek Hasan , Sanka Rasnayaka , Tamasha Malepathirana , Mingming Gong , Saman Halgamuge