Method for scattered radiation correction of a CT system
A technology of scattered radiation and detector systems, which is applied in the fields of instruments, applications, medical science, etc. for radiological diagnosis, and can solve problems such as defective shooting results.
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[0023]Figure 1 shows an exemplary computed tomography (CT) system 1 with two focal points / detector systems comprising: with a first X-ray tube 2 and an opposite detector 3 The first focus / detector system FDSA of the , and the second focus / detector system FDSB with the second X-ray tube 4 and the opposite detector 5 . The focus / detector systems 2 , 3 and 4 , 5 are arranged offset by an angle of 90° on a cradle, not explicitly shown here, in the cradle housing 6 , and move about the system axis 9 during the scanning process, while the patient 7 then moves continuously or sequentially through the scanning area. For this purpose, a longitudinally displaceable patient couch 8 is used, which is controlled by a control and computing unit 10 . The control and computing unit 10 is also responsible for the control and operation of the stand with the two focus / detector systems 2 , 3 and 4 , 5 . Furthermore, in the control and computing unit 10 the absorption data obtained by the two fo...
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