Search Results for author: Hong-Ming Chiu

Found 3 papers, 2 papers with code

Fast and Accurate Estimation of Low-Rank Matrices from Noisy Measurements via Preconditioned Non-Convex Gradient Descent

no code implementations26 May 2023 Gavin Zhang, Hong-Ming Chiu, Richard Y. Zhang

Recently, the technique of preconditioning was shown to be highly effective at accelerating the local convergence of non-convex gradient descent when the measurements are noiseless.

Image Denoising Medical Image Denoising

Tight Certification of Adversarially Trained Neural Networks via Nonconvex Low-Rank Semidefinite Relaxations

1 code implementation30 Nov 2022 Hong-Ming Chiu, Richard Y. Zhang

Nevertheless, once a model has been adversarially trained, one often desires a certification that the model is truly robust against all future attacks.

Accelerating SGD for Highly Ill-Conditioned Huge-Scale Online Matrix Completion

1 code implementation24 Aug 2022 Gavin Zhang, Hong-Ming Chiu, Richard Y. Zhang

The matrix completion problem seeks to recover a $d\times d$ ground truth matrix of low rank $r\ll d$ from observations of its individual elements.

Collaborative Filtering Matrix Completion

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