期刊
IEEE TRANSACTIONS ON RADIATION AND PLASMA MEDICAL SCIENCES
卷 3, 期 4, 页码 498-503出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TRPMS.2018.2878978
关键词
Biomedical imaging; magnetic resonance imaging; motion compensation; positron emission tomography
资金
- National Institutes of Health [ADRC P50 AG047366]
- GE Healthcare IIR Fellowship
A significant challenge during high-resolution PET brain imaging on PET/MR scanners is patient head motion. This challenge is particularly significant for clinical patient populations who struggle to remain motionless in the scanner for long periods of time. Head motion also affects the MR scan data. An optical motion tracking technique, which has already been demonstrated to perform MR motion correction during acquisition, is used with a list-mode PET reconstruction algorithm to correct the motion for each recorded event and produce a corrected reconstruction. The technique is demonstrated on real Alzheimer's disease patient data for the GE SIGNA PET/MR scanner.
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