| 摘要 |
PROBLEM TO BE SOLVED: To improve analysis accuracy in a density analysis in which a density of an object to be tested is analyzed on the basis of image data obtained by photographing the object to be tested by using an X-ray CT system. SOLUTION: In a density analyzing method by which the density of the object to be tested is analyzed on the basis of the image data obtained by photographing the object to be tested by using the X-ray CT system, a plurality of density analysis object portions are defined in the image data, and a density testing region composed of a plurality of pixels is set so as to be centered in each density analysis object portion, and an average of density values of the plurality of pixels in the density testing region is obtained, and the density analysis is carried out by using the obtained average as a density value of the density analysis object portion. COPYRIGHT: (C)2006,JPO&NCIPI
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