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Abstract #3651

Improved Motion Correction in Dynamic Contrast Enhancement MRI Using Low Rank with Soft Weighting

Jichang Zhang1, Xinpei Wang1, Faisal Najeeb2, Pengfei Xu1, Hammad Omer2, Penny Gowland3, Sue Francis3, Paul Glover3, Richard Bowtell3, and Chengbo Wang1
1SPMIC, The University of Nottingham Ningbo China, Ningbo, China, 2COMSATS University Islamabad, Islamabad, Pakistan, 3SPMIC, The University of Nottingham, Nottingham, United Kingdom

Synopsis

This work presents a robust motion corrected free breathing Dynamic Contrast Enhanced MRI (DCE-MRI) reconstruction method called Low rank plus sparse (L+S) with soft weighting which compressed motion blurring by employing a soft weighting matrix. The motion correction performance was quantified in this work. A computer simulation framework based on a modified shepp-logan model was developed with the ground truth to quantify the reconstruction errors. The proposed method achieved better motion correction and high reconstruction efficiency simultaneously.

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