Search Results for author: Kuangen Zhang

Found 8 papers, 3 papers with code

Ensemble diverse hypotheses and knowledge distillation for unsupervised cross-subject adaptation

1 code implementation15 Apr 2022 Kuangen Zhang, Jiahong Chen, Jing Wang, Xinxing Chen, Yuquan Leng, Clarence W. de Silva, Chenglong Fu

EDH mitigates the divergence between labeled data of source subjects and unlabeled data of target subjects to accurately classify the locomotion modes of target subjects without labeling data.

Domain Adaptation Human Activity Recognition +1

Preserving Domain Private Representation via Mutual Information Maximization

no code implementations9 Jan 2022 Jiahong Chen, Jing Wang, Weipeng Lin, Kuangen Zhang, Clarence W. de Silva

Recent advances in unsupervised domain adaptation have shown that mitigating the domain divergence by extracting the domain-invariant representation could significantly improve the generalization of a model to an unlabeled data domain.

Domain Generalization Unsupervised Domain Adaptation

How does the structure embedded in learning policy affect learning quadruped locomotion?

no code implementations29 Aug 2020 Kuangen Zhang, Jongwoo Lee, Zhimin Hou, Clarence W. de Silva, Chenglong Fu, Neville Hogan

This paper focuses on the latter because the structured policy is more intuitive and can inherit insights from previous model-based controllers.

Reinforcement Learning (RL)

Off-policy Maximum Entropy Reinforcement Learning : Soft Actor-Critic with Advantage Weighted Mixture Policy(SAC-AWMP)

no code implementations7 Feb 2020 Zhimin Hou, Kuangen Zhang, Yi Wan, Dongyu Li, Chenglong Fu, Haoyong Yu

A common way to solve this problem, known as Mixture-of-Experts, is to represent the policy as the weighted sum of multiple components, where different components perform well on different parts of the state space.

Continuous Control

Teach Biped Robots to Walk via Gait Principles and Reinforcement Learning with Adversarial Critics

1 code implementation22 Oct 2019 Kuangen Zhang, Zhimin Hou, Clarence W. de Silva, Haoyong Yu, Chenglong Fu

However, the local minima caused by unsuitable rewards and the overestimation of the cumulative reward impede the maximization of the cumulative reward.

Reinforcement Learning (RL)

Linked Dynamic Graph CNN: Learning on Point Cloud via Linking Hierarchical Features

1 code implementation22 Apr 2019 Kuangen Zhang, Ming Hao, Jing Wang, Clarence W. de Silva, Chenglong Fu

Learning on point cloud is eagerly in demand because the point cloud is a common type of geometric data and can aid robots to understand environments robustly.

Directional PointNet: 3D Environmental Classification for Wearable Robotics

no code implementations16 Mar 2019 Kuangen Zhang, Jing Wang, Chenglong Fu

Environmental information can provide reliable prior information about human motion intent, which can aid the subject with wearable robotics to walk in complex environments.

Classification General Classification

Unsupervised Domain Adaptation Learning Algorithm for RGB-D Staircase Recognition

no code implementations4 Mar 2019 Jing Wang, Kuangen Zhang

However, the performance of traditional ML techniques is limited by the amount of labeled RGB-D staircase data.

General Classification Unsupervised Domain Adaptation

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