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Method for creating computed tomography recordings of a patient with metallic components
专利权人:
Herbert Bruder
发明人:
Herbert Bruder,Rainer Raupach
申请号:
US12585023
公开号:
US08379953B2
申请日:
2009.09.01
申请国别(地区):
US
年份:
2013
代理人:
摘要:
A method is disclosed for creating computed tomography recordings of a patient with metallic components. In at least one embodiment, the method includes scanning the patient by use of an x-ray tube detector system, with at least one sinogram being compiled determining the detector signal data, which was attenuated by the metallic components in the patient deleting the detector signal data, which was influenced by metallic components determining the beam tracks in the sinogram at least of the volume elements, which are struck by beams which are attenuated by the metallic components and which cross the beam track of the deleted detector signal data in the sonogram determining a minimal measurement value on each beam track respectively adding together the minimal measurement values of the beam tracks to obtain the measurement points of the deleted detector signal data crossed by these beam tracks in the sonogram and using this at least one sinogram determined in this manner to reconstruct computed tomography recordings of the patient without a metallic component, and displaying the reconstructed computed tomography recordings of the patient with metallic components.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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