| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for relatively and/or absolutely finding an incidence dose and/or the quantity of a ray source from image data including image density, without having to depend upon film characteristics. SOLUTION: This measuring method for the dose, on which a quantization object image is based, has a process for obtaining a 2nd film having a relative internal standard image, by exposing a 1st photosensitive film to a relative internal standard having density gradations by a 1st light source; a process for obtaining a 3rd film having the quantization object image by exposing a 2nd film to a quantization object image by a 2nd light source; a process for developing the 3rd film; and a process for calculating a relative dose, on which the quantization object image is based by standardizing the density of the quantization object image obtained on the developed film, by using the relative internal standard.
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