1 code implementation • 11 Oct 2022 • Zhaoqiang Liu, Xinshao Wang, Jiulong Liu
In this paper, we study phase retrieval under model misspecification and generative priors.
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).
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.
no code implementations • 16 Dec 2019 • Jiulong Liu, Angelica I. Aviles-Rivero, Hui Ji, Carola-Bibiane Schönlieb
We also introduce registration blocks based deep nets to predict the registration parameters and warp transformation accurately and efficiently.