Search Results for author: Chenguang Dai

Found 4 papers, 1 papers with code

Deep Semantic Graph Matching for Large-scale Outdoor Point Clouds Registration

no code implementations10 Aug 2023 Shaocong Liu, Tao Wang, Yan Zhang, Ruqin Zhou, Li Li, Chenguang Dai, Yongsheng Zhang, Longguang Wang, Hanyun Wang

The adjacent points with the same category labels are then clustered together using the Euclidean clustering algorithm to obtain the semantic instances, which are represented by three kinds of attributes including spatial location information, semantic categorical information, and global geometric shape information.

Graph Matching Point Cloud Registration +1

Neural Gaussian Mirror for Controlled Feature Selection in Neural Networks

no code implementations13 Oct 2020 Xin Xing, Yu Gui, Chenguang Dai, Jun S. Liu

Deep neural networks (DNNs) have become increasingly popular and achieved outstanding performance in predictive tasks.

Feature Importance feature selection

False Discovery Rate Control via Data Splitting

1 code implementation20 Feb 2020 Chenguang Dai, Buyu Lin, Xin Xing, Jun S. Liu

Selecting relevant features associated with a given response variable is an important issue in many scientific fields.

Methodology

The Wang-Landau Algorithm as Stochastic Optimization and Its Acceleration

no code implementations27 Jul 2019 Chenguang Dai, Jun S. Liu

The optimization formulation provides us a new way to establish the convergence rate of the Wang-Landau algorithm, by exploiting the fact that almost surely, the density estimates (on the logarithmic scale) remain in a compact set, upon which the objective function is strongly convex.

Stochastic Optimization

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