| 摘要 |
PROBLEM TO BE SOLVED: To accurately detect the quantity of dislocation from a proper focal position of a radiation source relative to a radiation detector, and to accurately adjust the position of the radiation source to the focal position based on the detected quantity of dislocation. SOLUTION: The radiographic system 50 includes: a radiographic apparatus 10 having the radiation detector 26 for detecting radiation X and converting the radiation into a radiation image, and the radiation source 22 movable relative to the radiation detector 26 for outputting the radiation X applied to the radiation detector 26; a marker 46 disposed within an irradiation area of the radiation X to be projected to the radiation image as a marker image by the irradiation of radiation X; and an arithmetic operation means 76 for operating the quantity of dislocation from the proper focal position of the radiation source 22 relative to the radiation detector 26 based on the position of the marker image in the radiation image. COPYRIGHT: (C)2010,JPO&INPIT |
