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Abstract #1831

Motion compensated multi-contrast MRI using deep factor model

Yan Chen1, James H. Holmes1, Curtis A. Corum2, Vincent Magnotta1, and Mathews Jacob1
1University of Iowa, Iowa City, IA, United States, 2Champaign Imaging, LLC, Minneapolis, MN, United States

Synopsis

Keywords: Motion Correction, Multi-ContrastRecent quantitative parameter mapping methods including MR fingerprinting collect a time series of images that capture the evolution of magnetization. The focus of this work is to introduce a novel approach termed as deep factor model, which offers an efficient representation of the multi-contrast image time series. The higher efficiency of the representation enables the acquisition of the images in a highly undersampled fashion, which translates to reduced scan time in 3D high-resolution multi-contrast applications. The approach integrates motion estimation and compensation, making the approach robust to subject motion during the scan.

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Keywords