Search Results for author: Jiulong Liu

Found 4 papers, 2 papers with code

Misspecified Phase Retrieval with Generative Priors

1 code implementation11 Oct 2022 Zhaoqiang Liu, Xinshao Wang, Jiulong Liu

In this paper, we study phase retrieval under model misspecification and generative priors.

Retrieval

Non-Iterative Recovery from Nonlinear Observations using Generative Models

no code implementations CVPR 2022 Jiulong Liu, Zhaoqiang Liu

In this paper, we aim to estimate the direction of an underlying signal from its nonlinear observations following the semi-parametric single index model (SIM).

Generative Principal Component Analysis

1 code implementation ICLR 2022 Zhaoqiang Liu, Jiulong Liu, Subhroshekhar Ghosh, Jun Han, Jonathan Scarlett

We perform experiments on various image datasets for spiked matrix and phase retrieval models, and illustrate performance gains of our method to the classic power method and the truncated power method devised for sparse principal component analysis.

Retrieval

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