Welcome to Zhen Xu's Homepage

[NeurIPS 2025 (Spotlight)] 4DGT: Learning a 4D Gaussian Transformer Using Real-World Monocular Videos

Zhen Xu^*, Zhengqin Li, Zhao Dong, Xiaowei Zhou, Richard Newcombe, Zhaoyang Lv

^*Work done during my internship at Meta, Reality Labs.

[NeurIPS 2025] DGS-LRM: Real-Time Deformable 3D Gaussian Reconstruction From Monocular Videos

Chieh Hubert Lin, Zhaoyang Lv, Songyin Wu, Zhen Xu, Thu Nguyen-Phuoc, Hung-Yu Tseng, Julian Straub, Numair Khan, Lei Xiao, Ming-Hsuan Yang, Yuheng Ren, Richard Newcombe, Zhao Dong, Zhengqin Li

[SIGGRAPH Real-Time Live! '25] InfiniteStudio: 4D Volumetric Capture for Film Making and Beyond

Jiaming Sun, Siyu Zhang, Yu Zhang, Zhen Xu, Xiaowei Zhou

[ICCV 2025] Diffuman4D: 4D Consistent Human View Synthesis from Sparse-View Videos with Spatio-Temporal Diffusion Models

Yudong Jin, Sida Peng, Xuan Wang, Tao Xie, Zhen Xu, Yifan Yang, Yujun Shen, Hujun Bao, Xiaowei Zhou

[ICCV 2025] Hierarchy UGP: Hierarchy Unified Gaussian Primitive for Large-Scale Dynamic Scene Reconstruction

Hongyang Sun^*, Qinglin Yang^*, Jiawei Wang^*, Zhen Xu, Chen Liu, Yida Wang, Kun Zhan, Hujun Bao, Xiaowei Zhou, Sida Peng

^*Denotes equal contribution.

[ICCV 2025] ERNet: Efficient Non-Rigid Registration Network for Point Sequences

Guangzhao He, Yuxi Xiao, Zhen Xu, Xiaowei Zhou, Sida Peng

[CVPR 2025] FreeTimeGS: Free Gaussian Primitives at Anytime Anywhere for Dynamic Scene Reconstruction

Yifan Wang^*, Peishan Yang^*, Zhen Xu^*, Jiaming Sun, Zhanhua Zhang, Chen Yong, Hujun Bao, Sida Peng, Xiaowei Zhou

^*Denotes equal contribution.

[CVPR 2025] StreetCrafter: Street View Synthesis with Controllable Video Diffusion Models

Yunzhi Yan^*, Zhen Xu^*, Haotong Lin, Haian Jin, Haoyu Guo, Yida Wang, Kun Zhan, Xianpeng Lang, Hujun Bao, Xiaowei Zhou Sida Peng,

^*Denotes equal contribution. Street video model.

[CVPR 2025] EnvGS: Modeling View-Dependent Appearance with Environment Gaussian

Tao Xie^*, Xi Chen^*, Zhen Xu, Yudong Jin, Yiman Xie, Yujun Shen, Sida Peng, Hujun Bao, Xiaowei Zhou

^*Denotes equal contribution. Our work on reconstructing reflective Gaussians.

[SIGGRAPH Asia 2024 (TOG)] Representing Long Volumetric Video with Temporal Gaussian Hierarchy

Zhen Xu^*, Yinghao Xu^*, Zhiyuan Yu^*, Sida Peng, Jiaming Sun, Hujun Bao, Xiaowei Zhou

^*Denotes equal contribution. Our latest project on long volumetric video!

Level of Gaussians: Real-Time View Synthesis for Large Scenes with Millions of Square Meters

Qing Shuai, Haoyu Guo, Zhen Xu, Haotong Lin, Sida Peng, Hujun Bao, Xiaowei Zhou

Expansive Gaussian reconstruction with Level-of-Detail.

[CVPR 2024] 4K4D: Real-Time 4D View Synthesis at 4K Resolution

Zhen Xu, Sida Peng, Haotong Lin, Guangzhao He, Jiaming Sun, Yujun Shen, Hujun Bao, Xiaowei Zhou

My recent project on real-time volumetric videos, check it out and leave a star 😎!

[CVPR 2024] Relightable and Animatable Neural Avatar from Sparse-View Video

Zhen Xu, Sida Peng, Chen Geng, Linzhan Mou, Zihan Yan, Jiaming Sun, Hujun Bao, Xiaowei Zhou

Another recent project on animatable and relightable digital humans.

[SIGGRAPH Asia 2023 (TC)] EasyVolcap: Accelerating Neural Volumetric Video Research

Zhen Xu, Tao Xie, Sida Peng, Haotong Lin, Qing Shuai, Zhiyuan Yu, Guangzhao He, Jiaming Sun, Hujun Bao, Xiaowei Zhou

Our neural volumetric video framework, check it out and leave a star 😎!

[SIGGRAPH Asia 2023 (Conf)] High-Fidelity and Real-Time Novel View Synthesis for Dynamic Scenes

Haotong Lin, Sida Peng, Zhen Xu, Tao Xie, Xingyi He, Hujun Bao, Xiaowei Zhou

[CVPR 2023] Learning Neural Volumetric Representations of Dynamic Humans in Minutes

Chen Geng^*, Sida Peng^*, Zhen Xu^*, Hujun Bao, Xiaowei Zhou

^*Denotes equal contribution.

[SIGGRAPH Asia 2022 (Conf)] Efficient Neural Radiance Fields for Interactive Free-viewpoint Video

Haotong Lin^*, Sida Peng^*, Zhen Xu, Yunzhi Yan, Qing Shuai, Hujun Bao, Xiaowei Zhou

^*Denotes equal contribution.

[TPAMI 2024] Animatable Implicit Neural Representations for Creating Realistic Avatars from Videos

Xiaowei Zhou Sida Peng, Zhen Xu, Junting Dong, Qianqian Wang, Qing Shuai, Hujun Bao,