Search Results for author: Zhenglin Geng

Found 7 papers, 0 papers with code

A Neural-Network-Based Approach for Loose-Fitting Clothing

no code implementations25 Apr 2024 Yongxu Jin, Dalton Omens, Zhenglin Geng, Joseph Teran, Abishek Kumar, Kenji Tashiro, Ronald Fedkiw

Since loose-fitting clothing contains dynamic modes that have proven to be difficult to predict via neural networks, we first illustrate how to coarsely approximate these modes with a real-time numerical algorithm specifically designed to mimic the most important ballistic features of a classical numerical simulation.

Analytically Integratable Zero-restlength Springs for Capturing Dynamic Modes unrepresented by Quasistatic Neural Networks

no code implementations25 Jan 2022 Yongxu Jin, Yushan Han, Zhenglin Geng, Joseph Teran, Ronald Fedkiw

We present a novel paradigm for modeling certain types of dynamic simulation in real-time with the aid of neural networks.

Skinning a Parameterization of Three-Dimensional Space for Neural Network Cloth

no code implementations8 Jun 2020 Jane Wu, Zhenglin Geng, Hui Zhou, Ronald Fedkiw

We present a novel learning framework for cloth deformation by embedding virtual cloth into a tetrahedral mesh that parametrizes the volumetric region of air surrounding the underlying body.

Recovering Geometric Information with Learned Texture Perturbations

no code implementations20 Jan 2020 Jane Wu, Yongxu Jin, Zhenglin Geng, Hui Zhou, Ronald Fedkiw

Regularization is used to avoid overfitting when training a neural network; unfortunately, this reduces the attainable level of detail hindering the ability to capture high-frequency information present in the training data.

Coercing Machine Learning to Output Physically Accurate Results

no code implementations21 Oct 2019 Zhenglin Geng, Dan Johnson, Ronald Fedkiw

Although one could project the output of a network into a physically feasible region, such a postprocess is not captured by the energy function minimized when training the network; thus, the final projected result could incorrectly deviate quite far from the training data.

BIG-bench Machine Learning

3D Guided Fine-Grained Face Manipulation

no code implementations CVPR 2019 Zhenglin Geng, Chen Cao, Sergey Tulyakov

This is achieved by first fitting a 3D face model and then disentangling the face into a texture and a shape.

Face Model

A Pixel-Based Framework for Data-Driven Clothing

no code implementations3 Dec 2018 Ning Jin, Yilin Zhu, Zhenglin Geng, Ronald Fedkiw

With the aim of creating virtual cloth deformations more similar to real world clothing, we propose a new computational framework that recasts three dimensional cloth deformation as an RGB image in a two dimensional pattern space.

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