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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