[曲面体层摄影中的伪影]
[Ghost images in rotational panoramic radiography].
作者信息
Sewerin I
机构信息
Københavns Tandlaegehøjskoles, Afdeling for Radiologi.
出版信息
Tandlaegebladet. 1990 May;94(8):314-7.
PMID:2399494
Abstract
Ghost images are defined as images representing structures in the object located between the x-ray source and the rotation center. Their origin may be anatomic structures as well as foreign objects. A survey is given of the principles for the appearance of ghost images, their possible combinations with real and double images, and factors governing their position and occurrence.
摘要
伪影图像被定义为代表位于X射线源和旋转中心之间物体中结构的图像。它们的来源可能是解剖结构以及异物。本文综述了伪影图像出现的原理、它们与真实图像和双重图像的可能组合，以及控制其位置和出现的因素。
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