期刊
出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2017.07.044
关键词
X-ray imaging; Spectral imaging; Dual energy; Computed tomography; Mammography; Radiography
Spectral imaging is an umbrella term for energy-resolved X-ray imaging in medicine. The technique makes use of the energy dependence of X-ray attenuation to either increase the contrast-to-noise ratio, or to provide quantitative image data and reduce image artefacts by so-called material decomposition. Spectral imaging is not new, but has gained interest in recent years because of rapidly increasing availability of spectral and dual-energy CT and the dawn of energy-resolved photon-counting detectors. This review examines the current technological status of spectral and dual-energy imaging and a number of practical applications of the technology in medicine. (C) 2017 Elsevier B.V. All rights reserved.
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