The influence of antiscatter grids on soft-tissue detectability in cone-beam computed tomography with flat-panel detectors
作者： J. H. Siewerdsen , D. J. Moseley , B. Bakhtiar , S. Richard , D. A. Jaffray
DOI: 10.1118/1.1819789
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摘要: … Deviations from an ideal circular orbit are corrected by means of small in-plane shifts of the projection … While this simple geometric correction does not account for a variety of geometric …
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