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Title:
IMAGING MAGNIFICATION CALIBRATION METHOD FOR RADIATION TOMOGRAPHY DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/083930
Kind Code:
A1
Abstract:
In the present invention, it is possible to determine a distance SRD from the sizes L1, L2 of projected images of a calibration instrument (instrument) I on a table at a first position P1 (that is the photography position) and a second position P2 (different from the first position) and the distance s between the rotation center axes Ax of the table at the first position P1 and second position P2. Further, it is possible to determine a distance SDD by adding the determined distance SRD and the distance between an X-ray detector 4 and the rotation center axis Ax of the table at the first position P1. The ratio between these determined distances SRD, SDD is taken to be the imaging magnification of photography at the first position P1.

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Inventors:
SATO MAKOTO (JP)
Application Number:
PCT/JP2017/035979
Publication Date:
May 11, 2018
Filing Date:
October 03, 2017
Export Citation:
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Assignee:
SHIMADZU CORP (JP)
International Classes:
G01N23/04
Foreign References:
JP2002131246A2002-05-09
JP2010185859A2010-08-26
US8068579B12011-11-29
JP4396796B22010-01-13
JP2013217773A2013-10-24
Attorney, Agent or Firm:
SUGITANI Tsutomu (JP)
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