Search Results for author: Yufeng Zheng

Found 9 papers, 6 papers with code

Self-Learning Transformations for Improving Gaze and Head Redirection

2 code implementations NeurIPS 2020 Yufeng Zheng, Seonwook Park, Xucong Zhang, Shalini De Mello, Otmar Hilliges

Furthermore, we show that in the presence of limited amounts of real-world training data, our method allows for improvements in the downstream task of semi-supervised cross-dataset gaze estimation.

Disentanglement Gaze Estimation +1

A Doubly Stochastic Simulator with Applications in Arrivals Modeling and Simulation

1 code implementation27 Dec 2020 Yufeng Zheng, Zeyu Zheng, Tingyu Zhu

We propose a doubly stochastic simulator that integrates a stochastic generative neural network and a classical Monte Carlo Poisson simulator, to utilize both advantages.

Computational Efficiency Management

Continuous Conditional Generative Adversarial Networks (cGAN) with Generator Regularization

no code implementations27 Mar 2021 Yufeng Zheng, Yunkai Zhang, Zeyu Zheng

To partially alleviate this difficulty, we propose a simple generator regularization term on the GAN generator loss in the form of Lipschitz penalty.

SNARF: Differentiable Forward Skinning for Animating Non-Rigid Neural Implicit Shapes

1 code implementation ICCV 2021 Xu Chen, Yufeng Zheng, Michael J. Black, Otmar Hilliges, Andreas Geiger

However, this is problematic since the backward warp field is pose dependent and thus requires large amounts of data to learn.

I M Avatar: Implicit Morphable Head Avatars from Videos

1 code implementation CVPR 2022 Yufeng Zheng, Victoria Fernández Abrevaya, Marcel C. Bühler, Xu Chen, Michael J. Black, Otmar Hilliges

Traditional 3D morphable face models (3DMMs) provide fine-grained control over expression but cannot easily capture geometric and appearance details.

MORPH

PointAvatar: Deformable Point-based Head Avatars from Videos

1 code implementation CVPR 2023 Yufeng Zheng, Wang Yifan, Gordon Wetzstein, Michael J. Black, Otmar Hilliges

The ability to create realistic, animatable and relightable head avatars from casual video sequences would open up wide ranging applications in communication and entertainment.

An Adaptive Deep RL Method for Non-Stationary Environments with Piecewise Stable Context

no code implementations24 Dec 2022 Xiaoyu Chen, Xiangming Zhu, Yufeng Zheng, Pushi Zhang, Li Zhao, Wenxue Cheng, Peng Cheng, Yongqiang Xiong, Tao Qin, Jianyu Chen, Tie-Yan Liu

One of the key challenges in deploying RL to real-world applications is to adapt to variations of unknown environment contexts, such as changing terrains in robotic tasks and fluctuated bandwidth in congestion control.

FLARE: Fast Learning of Animatable and Relightable Mesh Avatars

1 code implementation26 Oct 2023 Shrisha Bharadwaj, Yufeng Zheng, Otmar Hilliges, Michael J. Black, Victoria Fernandez-Abrevaya

Our goal is to efficiently learn personalized animatable 3D head avatars from videos that are geometrically accurate, realistic, relightable, and compatible with current rendering systems.

A Unified Approach for Text- and Image-guided 4D Scene Generation

no code implementations28 Nov 2023 Yufeng Zheng, Xueting Li, Koki Nagano, Sifei Liu, Karsten Kreis, Otmar Hilliges, Shalini De Mello

Large-scale diffusion generative models are greatly simplifying image, video and 3D asset creation from user-provided text prompts and images.

Scene Generation

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