Search Results for author: Qiuyun Zhu

Found 2 papers, 1 papers with code

A statistical perspective on algorithm unrolling models for inverse problems

no code implementations10 Nov 2023 Yves Atchade, Xinru Liu, Qiuyun Zhu

We show that the unrolling depth needed for the optimal statistical performance of GDNs is of order $\log(n)/\log(\varrho_n^{-1})$, where $n$ is the sample size, and $\varrho_n$ is the convergence rate of the corresponding gradient descent algorithm.

Minimax Quasi-Bayesian estimation in sparse canonical correlation analysis via a Rayleigh quotient function

1 code implementation16 Oct 2020 Qiuyun Zhu, Yves Atchade

The method builds on Tan et al. (2018) and uses a re-scaled Rayleigh quotient function as the quasi-log-likelihood.

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