Analysis of subject contrasts on mammographic X-ray units measured with a CdZnTe detector
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概要
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In order to confirm image quality on mammographic X-ray units, an experimental method using a CdZnTe detector is tried. We attempt to measure subject contrasts which are the differences of X-ray spectra transmitted through ACR accreditation RMI 156 phantom (PMMA 45mm thickness) inserted Al objects (0.1-0.3mm thickness) and make a comparison between measured spectra and similar calculated spectra from other authors' spectra. According to analysis of those X-ray spectra that influence the subject contrasts, we confirm that modern mammographic X-ray units have high quality X-ray beams.
- Medical Imaging and Information Sciencesの論文
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