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Abstract #1310

Unified Rigid Motion Compensation Using Wireless MR Active Markers for Simultaneous PET/MR Imaging of the Brain

Chang Gao1, Chao Ma2, Yibo Zhao1, Kui Ying1, Yoann Petibon2, Jerome L. Ackerman3, Chuan Huang4, Georges El Fakhri2, and Jinsong Ouyang2

1Engineering Physics, Tsinghua University, Beijing, People's Republic of China, 2Gordon Center for Medical Imaging, Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States, 3Athinoula A. Martinos Centerfor BiomedicalImaging, Radiology, Massachusetts General Hospital, Boston, MA, United States, 4Radiology and Psychiatry, Stony Brook Medicine, Stony Brook, NY, United States

Head motion degrades image quality through loss of resolution in brain PET/MR. This work presents a wireless MR active marker based method to track and correct head motion for both PET and MRI. The proposed rigid motion correction method has been validated using a phantom study on a clinical PET/MR scanner.

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