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- W4387325057 abstract "To perform energy-dispersive x-ray computed tomography (EDCT), we constructed a computer program to amplify the digital values of raw radiograms. The CT scanner consists of an x-ray generator with a 0.1-mm-focus tube, a turntable, a flat panel detector (FPD), and a personal computer (PC). An object on the turntable is irradiated by the x-ray generator, 1.3-magnified 720 radiograms are taken by the FPD, and tomograms are reconstructed using the PC. Utilizing the digital amplifier, the object projections obtained using low-energy photons disappeared with increasing amplification factor at a constant maximum value, and the effective energy increased according to increases in the amplification factor by beam hardening. Using the beam-hardening CT (BHCT) scanner, high-contrast tomography for various objects was performed by controlling effective energy. In particular, fine blood vessels were observed by K-edge CT using iodine media." @default.
- W4387325057 created "2023-10-04" @default.
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- W4387325057 date "2023-10-04" @default.
- W4387325057 modified "2023-10-18" @default.
- W4387325057 title "Energy-dispersive x-ray computed tomography utilizing beam hardening" @default.
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- W4387325057 doi "https://doi.org/10.1117/12.2677103" @default.
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