Method and computer system for scattered beam correction in a multi-source CT
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United States of America Patent
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Jun 3, 2014
Grant Date -
Aug 23, 2012
app pub date -
Feb 22, 2012
filing date -
Feb 23, 2011
priority date (Note) -
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Abstract
A method and a computer system are disclosed for scattered beam correction in a CT examination of an object in a multi source CT. In at least one embodiment, the method includes generating original projection data records; reconstruction of the object with the original projection data records of at least one detector; determining the scattered radiation generated by each emitter exclusively in the direction of the original beams of the at least one other emitter relative to its opposing detector; generating corrected projection data records by removing the calculated scattered radiation from the original projection data records; reconstruction of the object with the corrected projection data records, and implementing a further iteration of the method when determining the scattered radiation or issuing the reconstruction result if at least one predetermined abort criterion applies.
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