| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2022: ¥390,000 (Direct Cost: ¥300,000、Indirect Cost: ¥90,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Outline of Final Research Achievements |
We have developed an optical CT system for gel dosimeters that measures radiation dose three-dimensionally. A variable color light source and a color camera were used. Data of color components such as red component, green component, and blue component of a color image can be extracted individually. This provides information on different color components. Scattered light, which is one of the causes of image noise, could be improved by using sputter felt. In addition, we investigated the effectiveness of averaging as a method of reducing image noise. A simulated samples for the characteristic test of the optical CT system were also developed. The operation of the optical CT system was confirmed using simulated samples. As a result, it was confirmed that the relationship between the sample density and the pixel value of the tomographic image was in accordance with the theory, and that there was no problem with the measurement.
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