30 March 2016 Computed tomography with single-shot dual-energy sandwich detectors
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Abstract
Single-shot dual-energy sandwich detector can produce sharp images because of subtraction of images from two sub-detector layers, which have different thick x-ray converters, of the sandwich detector. Inspired by this observation, the authors have developed a microtomography system with the sandwich detector in pursuit of high-resolution bone-enhanced small-animal imaging. The preliminary results show that the bone-enhanced images reconstructed with the subtracted projection data are better in visibility of bone details than the conventionally reconstructed images. In addition, the bone-enhanced images obtained from the sandwich detector are relatively immune to the artifacts caused by photon starvation. The microtomography with the single-shot dual-energy sandwich detector will be useful for the high-resolution bone imaging.
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Seung Ho Kim, Seung Ho Kim, Hanbean Youn, Hanbean Youn, Daecheon Kim, Daecheon Kim, Dong Woon Kim, Dong Woon Kim, Hosang Jeon, Hosang Jeon, Ho Kyung Kim, Ho Kyung Kim, "Computed tomography with single-shot dual-energy sandwich detectors", Proc. SPIE 9783, Medical Imaging 2016: Physics of Medical Imaging, 97833Y (30 March 2016); doi: 10.1117/12.2216678; https://doi.org/10.1117/12.2216678
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