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X-RAY IMAGING METHOD, METHOD FOR CREATING DATA FOR SUBTRACTION IMAGING, X-RAY IMAGING APPARATUS, AND RECORDING MEDIUM WHICH RECORDS DATA FOR SUBTRACTION IMAGING
X-RAY IMAGING METHOD, METHOD FOR CREATING DATA FOR SUBTRACTION IMAGING, X-RAY IMAGING APPARATUS, AND RECORDING MEDIUM WHICH RECORDS DATA FOR SUBTRACTION IMAGING
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机译:X射线成像方法,创建用于减影成像的数据的方法,X射线成像设备以及记录用于减影成像的数据的介质
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摘要
PROBLEM TO BE SOLVED: To provide an X-ray imaging method or the like capable of obtaining a clearer subtraction image by considering a continuous spectrum in an X-ray.;SOLUTION: This X-ray imaging apparatus includes: a table 2 on which a subject 1 is placed; an X-ray tube 3; a flat panel detector 4; a control part 5; an X-ray tube control part 6; and a display part 7. The control part 5 includes: a high voltage image memory 11, a LOG conversion part 12 and a weighting part 13 that are used during high voltage imaging; and a low voltage image memory 14, a LOG conversion part 15 and a weighting part 16 that are used during low voltage imaging; a subtraction part 17 that carries out subtraction processing; a reference table 18; and an image processing part 19. Data that indicate the relation between the detection value of the flat panel detector 4 and thickness of a soft tissue and a bone part when the high voltage and low voltage are imparted to the X-ray tube 3 are recorded in the reference table 18.;COPYRIGHT: (C)2013,JPO&INPIT
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