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Abstract #4999

A Fast Double Stochastic Proximal Method for CS-MRI Reconstruction with Multiple Wavelets

Tao Hong1, Luis Hernandez-Garcia1, and Jeffrey Fessler2
1Department of Radiology, University of Michigan, Ann Arbor, Ann Arbor, MI, United States, 2Department of Electrical and Computer Engineering, University of Michigan, Ann Arbor, Ann Arbor, MI, United States

Synopsis

Keywords: Image Reconstruction, Sparse & Low-Rank Models

Motivation: Gu et al. [3] showed one can obtain comparable performance as the physics-guided deep learning (PG-DL) networks [4] for CS-MRI reconstruction by using multiple wavelets as the regularizers.

Goal(s): Develop an efficient numerical algorithm for CS-MRI reconstruction with multiple wavelets.

Approach: Study a fast double stochastic proximal method (FDSPM) for compressed sensing MRI (CS-MRI) reconstruction.

Results: Our experiments demonstrate that FDSPM converges in less CPU time than classical CS algorithms for image reconstruction.

Impact: Exploring efficient algorithms for multiple regularizers CS-MRI reconstruction can motivate new efficient network structures that are easy to train.

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Keywords