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Abstract #0586

Autofocusing Motion Correction with 3D Image-based Navigators for Abdominal Imaging

Jieying Luo 1 , Nii Okai Addy 1 , R. Reeve Ingle 1 , Joseph Y. Cheng 1 , Bob S. Hu 2 , and Dwight G. Nishimura 1

1 Electrical Engineering, Stanford University, Stanford, California, United States, 2 Palo Alto Medical Foundation, Palo Alto, California, United States

An autofocusing nonrigid respiratory motion correction method for abdominal imaging was developed. This technique used motion trajectory candidates estimated from 3D image-based navigators that were acquired with a variable-density 3D cones trajectory. The performance of the proposed autofocusing motion correction was demonstrated with free-breathing scans of the abdominal vasculature.

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