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Speech-driven three-dimensional (3D) facial animation synthesis aims to build a mapping from one-dimensional (1D) speech signals to time-varying 3D facial motion signals. Current methods still face challenges in maintaining lip-sync…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Bin Liu , Zhixiang Xiong , Zhifen He , Bo Li

The creation of a parameterized stylized character involves careful selection of numerous parameters, also known as the "avatar vectors" that can be interpreted by the avatar engine. Existing unsupervised avatar vector estimation methods…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Shizun Wang , Weihong Zeng , Xu Wang , Hao Yang , Li Chen , Yi Yuan , Yunzhao Zeng , Min Zheng , Chuang Zhang , Ming Wu

The creation of lifelike speech-driven 3D facial animation requires a natural and precise synchronization between audio input and facial expressions. However, existing works still fail to render shapes with flexible head poses and natural…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Wei Zhao , Yijun Wang , Tianyu He , Lianying Yin , Jianxin Lin , Xin Jin

Despite much progress, achieving real-time high-fidelity head avatar animation is still difficult and existing methods have to trade-off between speed and quality. 3DMM based methods often fail to model non-facial structures such as…

Graphics · Computer Science 2024-06-25 Zhongyuan Zhao , Zhenyu Bao , Qing Li , Guoping Qiu , Kanglin Liu

Recent studies have combined 3D Gaussian and 3D Morphable Models (3DMM) to construct high-quality 3D head avatars. In this line of research, existing methods either fail to capture the dynamic textures or incur significant overhead in terms…

Computer Vision and Pattern Recognition · Computer Science 2025-04-22 Yating Wang , Xuan Wang , Ran Yi , Yanbo Fan , Jichen Hu , Jingcheng Zhu , Lizhuang Ma

We present InstantGeoAvatar, a method for efficient and effective learning from monocular video of detailed 3D geometry and appearance of animatable implicit human avatars. Our key observation is that the optimization of a hash grid…

Computer Vision and Pattern Recognition · Computer Science 2024-12-02 Alvaro Budria , Adrian Lopez-Rodriguez , Oscar Lorente , Francesc Moreno-Noguer

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

We introduce the first method for audio-driven universal photorealistic avatar synthesis, combining a person-agnostic speech model with our novel Universal Head Avatar Prior (UHAP). UHAP is trained on cross-identity multi-view videos. In…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Kartik Teotia , Helge Rhodin , Mohit Mendiratta , Hyeongwoo Kim , Marc Habermann , Christian Theobalt

Recent diffusion-based talking face generation models have demonstrated impressive potential in synthesizing videos that accurately match a speech audio clip with a given reference identity. However, existing approaches still encounter…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Xingpei Ma , Jiaran Cai , Yuansheng Guan , Shenneng Huang , Qiang Zhang , Shunsi Zhang

Recently, 2D speaking avatars have increasingly participated in everyday scenarios due to the fast development of facial animation techniques. However, most existing works neglect the explicit control of human bodies. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Jiazhi Guan , Quanwei Yang , Kaisiyuan Wang , Hang Zhou , Shengyi He , Zhiliang Xu , Haocheng Feng , Errui Ding , Jingdong Wang , Hongtao Xie , Youjian Zhao , Ziwei Liu

We present NBAvatar - a method for realistic rendering of head avatars handling non-rigid deformations caused by hand-face interaction. We introduce a novel representation for animated avatars by combining the training of oriented planar…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 David Svitov , Mahtab Dahaghin

Text-to-Avatar generation has recently made significant strides due to advancements in diffusion models. However, most existing work remains constrained by limited diversity, producing avatars with subtle differences in appearance for a…

Computer Vision and Pattern Recognition · Computer Science 2024-02-28 Weijing Tao , Biwen Lei , Kunhao Liu , Shijian Lu , Miaomiao Cui , Xuansong Xie , Chunyan Miao

Gaussian-based human avatars have achieved an unprecedented level of visual fidelity. However, existing approaches based on high-capacity neural networks typically require a desktop GPU to achieve real-time performance for a single avatar,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Forrest Iandola , Stanislav Pidhorskyi , Igor Santesteban , Divam Gupta , Anuj Pahuja , Nemanja Bartolovic , Frank Yu , Emanuel Garbin , Tomas Simon , Shunsuke Saito

In filmmaking, directors typically allow actors to perform freely based on the script before providing specific guidance on how to present key actions. AI-generated content faces similar requirements, where users not only need automatic…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Zheng Qin , Ruobing Zheng , Yabing Wang , Tianqi Li , Zixin Zhu , Sanping Zhou , Ming Yang , Le Wang

Clothed avatar generation has wide applications in virtual and augmented reality, filmmaking, and more. Previous methods have achieved success in generating diverse digital avatars, however, generating avatars with disentangled components…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Weitian Zhang , Yichao Yan , Sijing Wu , Manwen Liao , Xiaokang Yang

Despite advances in audio-driven video generation, achieving commercial-grade stability remains challenging. We present LongCat-Video-Avatar 1.5, an upgraded open-source framework prioritizing systematic engineering and production-readiness…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Meituan LongCat Team , Xunliang Cai , Meng Cheng , Feng Gao , Zhe Kong , Jiamu Li , Le Li , Weiheng Li , Hongyu Liu , Shuai Tan , Xiaoming Wei , Tianyu Yang , Yong Zhang

Achieving expressive 3D motion reconstruction and automatic generation for isolated sign words can be challenging, due to the lack of real-world 3D sign-word data, the complex nuances of signing motions, and the cross-modal understanding of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Lu Dong , Lipisha Chaudhary , Fei Xu , Xiao Wang , Mason Lary , Ifeoma Nwogu

Reconstructing photorealistic and animatable 4D head avatars from a single portrait image remains a fundamental challenge in computer vision. While diffusion models have enabled remarkable progress in image and video generation for avatar…

Computer Vision and Pattern Recognition · Computer Science 2026-03-13 Chao Xu , Xiaochen Zhao , Xiang Deng , Jingxiang Sun , Donglin Di , Zhuo Su , Yebin Liu

The trend in sign language generation is centered around data-driven generative methods that require vast amounts of precise 2D and 3D human pose data to achieve an acceptable generation quality. However, currently, most sign language…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Kaustubh Kundu , Hrishav Bakul Barua , Lucy Robertson-Bell , Zhixi Cai , Kalin Stefanov

Although telepresence assistive robots have made significant progress, they still lack the sense of realism and physical presence of the remote operator. This results in a lack of trust and adoption of such robots. In this paper, we…

Robotics · Computer Science 2023-03-07 Ravi Tejwani , Chengyuan Ma , Paolo Bonato , H. Harry Asada