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We present a novel framework for generating photorealistic 3D human head and subsequently manipulating and reposing them with remarkable flexibility. The proposed approach leverages an implicit function representation of 3D human heads,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-22 Yushi Lan , Feitong Tan , Di Qiu , Qiangeng Xu , Kyle Genova , Zeng Huang , Sean Fanello , Rohit Pandey , Thomas Funkhouser , Chen Change Loy , Yinda Zhang

Efficiently digitizing high-fidelity animatable human avatars from videos is a challenging and active research topic. Recent volume rendering-based neural representations open a new way for human digitization with their friendly usability…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Xiaoke Huang , Yiji Cheng , Yansong Tang , Xiu Li , Jie Zhou , Jiwen Lu

Generating animatable human avatars from a single image is essential for various digital human modeling applications. Existing 3D reconstruction methods often struggle to capture fine details in animatable models, while generative…

Computer Vision and Pattern Recognition · Computer Science 2024-12-04 Lingteng Qiu , Shenhao Zhu , Qi Zuo , Xiaodong Gu , Yuan Dong , Junfei Zhang , Chao Xu , Zhe Li , Weihao Yuan , Liefeng Bo , Guanying Chen , Zilong Dong

We study the problem of 3D-aware full-body human generation, aiming at creating animatable human avatars with high-quality textures and geometries. Generally, two challenges remain in this field: i) existing methods struggle to generate…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Xuanmeng Zhang , Jianfeng Zhang , Rohan Chacko , Hongyi Xu , Guoxian Song , Yi Yang , Jiashi Feng

Creating realistic avatars from a single RGB image is an attractive yet challenging problem. Due to its ill-posed nature, recent works leverage powerful prior from 2D diffusion models pretrained on large datasets. Although 2D diffusion…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Yuxuan Xue , Xianghui Xie , Riccardo Marin , Gerard Pons-Moll

We present a novel animatable 3D Gaussian model for rendering high-fidelity free-view human motions in real time. Compared to existing NeRF-based methods, the model owns better capability in synthesizing high-frequency details without the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Keyang Ye , Tianjia Shao , Kun Zhou

We introduce HyperGaussians, a novel extension of 3D Gaussian Splatting for high-quality animatable face avatars. Creating such detailed face avatars from videos is a challenging problem and has numerous applications in augmented and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Gent Serifi , Marcel C. Buehler

We present GEM, a Generalizable Ego-vision Multimodal world model that predicts future frames using a reference frame, sparse features, human poses, and ego-trajectories. Hence, our model has precise control over object dynamics, ego-agent…

This paper proposes an efficient 3D avatar coding framework that leverages compact human priors and canonical-to-target transformation to enable high-quality 3D human avatar video compression at ultra-low bit rates. The framework begins by…

Image and Video Processing · Electrical Eng. & Systems 2025-10-14 Shanzhi Yin , Bolin Chen , Xinju Wu , Ru-Ling Liao , Jie Chen , Shiqi Wang , Yan Ye

Reconstructing photo-realistic and topology-aware animatable human avatars from monocular videos remains challenging in computer vision and graphics. Recently, methods using 3D Gaussians to represent the human body have emerged, offering…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Haoyu Zhao , Chen Yang , Hao Wang , Xingyue Zhao , Wei Shen

Reconstructing high-fidelity animatable human avatars from monocular videos remains challenging due to insufficient geometric information in single-view observations. While recent 3D Gaussian Splatting methods have shown promise, they…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Jinlong Fan , Bingyu Hu , Xingguang Li , Yuxiang Yang , Jing Zhang

In this paper, we present a novel 3D head avatar creation approach capable of generalizing from few-shot in-the-wild data with high-fidelity and animatable robustness. Given the underconstrained nature of this problem, incorporating prior…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Xiaozheng Zheng , Chao Wen , Zhaohu Li , Weiyi Zhang , Zhuo Su , Xu Chang , Yang Zhao , Zheng Lv , Xiaoyuan Zhang , Yongjie Zhang , Guidong Wang , Lan Xu

We present MoGA, a novel method to reconstruct high-fidelity 3D Gaussian avatars from a single-view image. The main challenge lies in inferring unseen appearance and geometric details while ensuring 3D consistency and realism. Most previous…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Zijian Dong , Longteng Duan , Jie Song , Michael J. Black , Andreas Geiger

Recent advances in Gaussian Splatting have significantly boosted the reconstruction of head avatars, enabling high-quality facial modeling by representing an 3D avatar as a collection of 3D Gaussians. However, existing methods predominantly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Shiqi Xin , Xiaolin Zhang , Yanbin Liu , Peng Zhang , Caifeng Shan

Realistic digital avatars require expressive and dynamic hair motion; however, most existing head avatar methods assume rigid hair movement. These methods often fail to disentangle hair from the head, representing it as a simple outer shell…

Computer Vision and Pattern Recognition · Computer Science 2026-04-09 Berna Kabadayi , Vanessa Sklyarova , Wojciech Zielonka , Justus Thies , Gerard Pons-Moll

We propose a novel approach for reconstructing animatable 3D Gaussian avatars from monocular videos captured by commodity devices like smartphones. Photorealistic 3D head avatar reconstruction from such recordings is challenging due to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-15 Jiapeng Tang , Davide Davoli , Tobias Kirschstein , Liam Schoneveld , Matthias Niessner

We present Drivable 3D Gaussian Avatars (D3GA), a multi-layered 3D controllable model for human bodies that utilizes 3D Gaussian primitives embedded into tetrahedral cages. The advantage of using cages compared to commonly employed linear…

Computer Vision and Pattern Recognition · Computer Science 2025-02-12 Wojciech Zielonka , Timur Bagautdinov , Shunsuke Saito , Michael Zollhöfer , Justus Thies , Javier Romero

Text-driven avatar generation has gained significant attention owing to its convenience. However, existing methods typically model the human body with all garments as a single 3D model, limiting its usability, such as clothing replacement,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Jingyu Zhuang , Di Kang , Linchao Bao , Liang Lin , Guanbin Li

The fidelity of relighting is bounded by both geometry and appearance representations. For geometry, both mesh and volumetric approaches have difficulty modeling intricate structures like 3D hair geometry. For appearance, existing…

Graphics · Computer Science 2024-05-29 Shunsuke Saito , Gabriel Schwartz , Tomas Simon , Junxuan Li , Giljoo Nam

Generalizable rendering of an animatable human avatar from sparse inputs relies on data priors and inductive biases extracted from training on large data to avoid scene-specific optimization and to enable fast reconstruction. This raises…

Computer Vision and Pattern Recognition · Computer Science 2025-02-14 Jing Wen , Alexander G. Schwing , Shenlong Wang