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4 November 1981 Abdominal Dual Energy Imaging
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Abstract
Dual energy scanned projection radiography of the abdomen has been performed using an experimental line-scanned radiographic system. Digital images simultaneously obtained at 85 and 135 kVp are combined, using photoelectric/Compton decomposition algorithms to create images from which selected materials are cancelled. Soft tissue cancellation images have proved most useful in various abdominal imaging applications, largely due to the elimination of obscuring high-contrast bowel gas shadows. These techniques have been successfully applied to intravenous pyelography, oral cholecystography, intravenous abdominal arteriog-raphy and the imaging of renal calculi.
© (1981) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F.Graham Sommer, William R. Brody, Douglas M. Cassel, and Albert Macovski "Abdominal Dual Energy Imaging", Proc. SPIE 0314, Digital Radiography, (4 November 1981); https://doi.org/10.1117/12.933041
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