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MR SCAN SELECTION FOR PET ATTENUATION CORRECTION
专利权人:
Matthias Fenchel;Christian Geppert;Christopher Glielmi;David Faul
发明人:
Christopher Glielmi,Christian Geppert,David Faul,Matthias Fenchel
申请号:
US14091372
公开号:
US20140153806A1
申请日:
2013.11.27
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A method of attenuation correction for a positron emission tomography (PET) system includes obtaining PET scan data representative of a volume scanned by the PET system, obtaining a plurality of magnetic resonance (MR) scan data sets representative of the volume, each MR scan data set being acquired in a respective time period during acquisition of the PET scan data by the PET system, detecting motion of the volume that occurred during the acquisition of the PET scan data based on an assessment of the plurality of MR scan data sets, the PET scan data, or the plurality of MR scan data sets and the PET scan data, determining attenuation correction data from the plurality of MR scan data sets based on the detected motion for alignment of the attenuation correction data and the PET scan data, and correcting the PET scan data with the attenuation correction data.
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