Search Results for author: Mengrui Zhang

Found 2 papers, 1 papers with code

An optimal transport approach for selecting a representative subsample with application in efficient kernel density estimation

no code implementations31 May 2022 Jingyi Zhang, Cheng Meng, Jun Yu, Mengrui Zhang, Wenxuan Zhong, Ping Ma

Theoretically, we show the selected subsample can be used for efficient density estimation by deriving the convergence rate for the proposed subsample kernel density estimator.

Active Learning Density Estimation +1

Large-scale optimal transport map estimation using projection pursuit

1 code implementation NeurIPS 2019 Cheng Meng, Yuan Ke, Jingyi Zhang, Mengrui Zhang, Wenxuan Zhong, Ping Ma

We theoretically show the proposed dimension reduction method can consistently estimate the most ``informative'' projection direction in each iteration.

Dimensionality Reduction

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