CBCT 中的伪影：综述。
Artefacts in CBCT: a review.
机构信息
Department of Oral Surgery (and Oral Radiology), University Medical Center of the Johannes Gutenberg-University, Augustusplatz 2, 55131 Mainz, Germany.
出版信息
Dentomaxillofac Radiol. 2011 Jul;40(5):265-73. doi: 10.1259/dmfr/30642039.
Abstract
Artefacts are common in today's cone beam CT (CBCT). They are induced by discrepancies between the mathematical modelling and the actual physical imaging process. Since artefacts may interfere with the diagnostic process performed on CBCT data sets, every user should be aware of their presence. This article aims to discuss the most prominent artefacts identified in the scientific literature and review the existing knowledge on these artefacts. We also briefly review the basic three-dimensional (3D) reconstruction concept applied by today's CBCT scanners, as all artefacts are more or less directly related to it.
摘要
在当今的锥形束 CT（CBCT）中，伪影很常见。它们是由数学建模与实际物理成像过程之间的差异引起的。由于伪影可能会干扰对 CBCT 数据集进行的诊断过程，因此每个用户都应该意识到它们的存在。本文旨在讨论在科学文献中发现的最突出的伪影，并回顾有关这些伪影的现有知识。我们还简要回顾了当今 CBCT 扫描仪应用的基本三维（3D）重建概念，因为所有伪影或多或少都与它直接相关。
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