| 摘要 |
<P>PROBLEM TO BE SOLVED: To precisely detect a plurality of marker images while discriminating the same from a plurality of photographed images obtained by photographing using a plurality of markers. <P>SOLUTION: The plurality of markers M1 to M4 are arranged on the photographing base top plate 4. Here, the markers M1, M2 and the markers M3, M4 lining in the moving direction of an X-ray tube 12 are arranged such that the distance D1, D2 are a predetermined value C0 or more. <P>COPYRIGHT: (C)2012,JPO&INPIT |
