Search Results for author: Zheng Zhai

Found 3 papers, 0 papers with code

Ridge Estimation with Nonlinear Transformations

no code implementations9 Jun 2023 Zheng Zhai, Hengchao Chen, Zhigang Yao

The main result proves the inclusion relationship between ridges: $\cR(f\circ p)\subseteq \cR(p)$, provided that the transformation $f$ is strictly increasing and concave on the range of the function $p$.

Quadratic Matrix Factorization with Applications to Manifold Learning

no code implementations30 Jan 2023 Zheng Zhai, Hengchao Chen, Qiang Sun

Motivated by manifold learning problems, this paper proposes a quadratic matrix factorization (QMF) framework to learn the curved manifold on which the dataset lies.

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