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Method of creating image by projection or tomography, X-ray computed tomography system, focus-detector system of X-ray apparatus, and X-ray system
专利权人:
シーメンス アクチエンゲゼルシヤフト
发明人:
ビェルン ハイスマン,エクハルト ヘンペル,シュテファン ポペスク
申请号:
JP2007022877
公开号:
JP5188721B2
申请日:
2007.02.01
申请国别(地区):
JP
年份:
2013
代理人:
摘要:
A method is disclosed for producing projective and tomographic phase contrast images of an examination object, preferably a patient, with the aid of an X-ray system, and a corresponding X-ray system for carrying out this method. In at least one embodiment of the method, X-ray optical grating sets tuned to different energy ranges are used to determine energy-dependent phase shifts upon penetration of an examination object, a difference value is formed from these energy-dependent phase shifts, and tomographic or projective images are produced therefrom.
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