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Abstract #0961

Efficient Large Scale Motion Compensation for Multi-Shot Diffusion-Weighted Imaging

Zhongbiao Xu 1 , Zhigang Wu 2 , Wufan Chen 1 , Yanqiu Feng 1 , Feng Huang 2 , Wenxing Fang 2 , and Jing Zhang 2

1 Guangdong Provincial Key Laborary of Medical Image Processing, School of Biomedical Engineering, Southern Medical University, Guangzhou, Guangdong, China, 2 Philips Healthcare (Suzhou) CO.LTD, Suzhou, Jiangsu, China

In this work, we extend multiplexed sensitivity-encoding (MUSE) to address the issues related to shot-to-shot large-scale motion. Our method groups shots into clusters, reconstructs each cluster with MUSE by taking advantage of the same magnitude property inside each cluster, and corrects the inter-shot motion by image registration techniques. The proposed can robustly deliver high quality image even when there is large scale inter-shot motion.

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