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SPECTRAL COMPUTED TOMOGRAPHY USING CORRELATED PHOTON NUMBER AND ENERGY MEASUREMENTS
SPECTRAL COMPUTED TOMOGRAPHY USING CORRELATED PHOTON NUMBER AND ENERGY MEASUREMENTS
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机译:使用相关光子数和能量测量的光谱计算机断层扫描
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摘要
A computed tomography system includes a plurality of radiation sensitive detector elements (100) which generate a time varying signal indicative of x-ray photons received by the various detector elements (100). Photon counters (24) count the photons received by the various detector elements (24). Event-driven energy determiners (26) measure the total energy of the received photons. A mean, energy calculator (46) calculates a mean energy of the photons received by the various detector elements (100) during a plurality of reading periods.
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