Search Results for author: Chao Wen

Found 13 papers, 9 papers with code

OHTA: One-shot Hand Avatar via Data-driven Implicit Priors

no code implementations29 Feb 2024 Xiaozheng Zheng, Chao Wen, Zhuo Su, Zeran Xu, Zhaohu Li, Yang Zhao, Zhou Xue

In this paper, we delve into the creation of one-shot hand avatars, attaining high-fidelity and drivable hand representations swiftly from a single image.

Joint2Human: High-quality 3D Human Generation via Compact Spherical Embedding of 3D Joints

no code implementations14 Dec 2023 Muxin Zhang, Qiao Feng, Zhuo Su, Chao Wen, Zhou Xue, Kun Li

In this work, we introduce Joint2Human, a novel method that leverages 2D diffusion models to generate detailed 3D human geometry directly, ensuring both global structure and local details.

3D Generation

Realistic Full-Body Tracking from Sparse Observations via Joint-Level Modeling

1 code implementation ICCV 2023 Xiaozheng Zheng, Zhuo Su, Chao Wen, Zhou Xue, Xiaojie Jin

To bridge the physical and virtual worlds for rapidly developed VR/AR applications, the ability to realistically drive 3D full-body avatars is of great significance.

Railway Network Delay Evolution: A Heterogeneous Graph Neural Network Approach

no code implementations27 Mar 2023 Zhongcan Li, Ping Huang, Chao Wen, Filipe Rodrigues

This paper aims to develop a heterogeneous graph neural network (HetGNN) model, which can address different types of nodes (i. e., heterogeneous nodes), to investigate the train delay evolution on railway networks.

Decision Making

Decoupled Iterative Refinement Framework for Interacting Hands Reconstruction from a Single RGB Image

1 code implementation ICCV 2023 Pengfei Ren, Chao Wen, Xiaozheng Zheng, Zhou Xue, Haifeng Sun, Qi Qi, Jingyu Wang, Jianxin Liao

On the other hand, there are complex spatial relationship between interacting hands, which significantly increases the solution space of hand poses and increases the difficulty of network learning.

3D Hand Pose Estimation 3D Interacting Hand Pose Estimation

HaMuCo: Hand Pose Estimation via Multiview Collaborative Self-Supervised Learning

1 code implementation ICCV 2023 Xiaozheng Zheng, Chao Wen, Zhou Xue, Pengfei Ren, Jingyu Wang

Recent advancements in 3D hand pose estimation have shown promising results, but its effectiveness has primarily relied on the availability of large-scale annotated datasets, the creation of which is a laborious and costly process.

3D Hand Pose Estimation Self-Supervised Learning

Pixel2Mesh++: 3D Mesh Generation and Refinement from Multi-View Images

no code implementations21 Apr 2022 Chao Wen, yinda zhang, Chenjie Cao, Zhuwen Li, xiangyang xue, Yanwei Fu

We study the problem of shape generation in 3D mesh representation from a small number of color images with or without camera poses.

SMIX($λ$): Enhancing Centralized Value Functions for Cooperative Multi-Agent Reinforcement Learning

1 code implementation11 Nov 2019 Xinghu Yao, Chao Wen, Yuhui Wang, Xiaoyang Tan

Learning a stable and generalizable centralized value function (CVF) is a crucial but challenging task in multi-agent reinforcement learning (MARL), as it has to deal with the issue that the joint action space increases exponentially with the number of agents in such scenarios.

reinforcement-learning Reinforcement Learning (RL) +2

Pixel2Mesh++: Multi-View 3D Mesh Generation via Deformation

2 code implementations ICCV 2019 Chao Wen, yinda zhang, Zhuwen Li, Yanwei Fu

We study the problem of shape generation in 3D mesh representation from a few color images with known camera poses.

Truly Proximal Policy Optimization

1 code implementation19 Mar 2019 Yuhui Wang, Hao He, Chao Wen, Xiaoyang Tan

Proximal policy optimization (PPO) is one of the most successful deep reinforcement-learning methods, achieving state-of-the-art performance across a wide range of challenging tasks.

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