CT图像常见伪影成因及解决方法

Reasons for artifacts in CT and its solution

介绍了CT图像常见伪影、影响因素,分析各种伪影的成因,并提出抑制、消除伪影的方法,以达到帮助影像技术及工程技术人员识别各种CT图像伪影,正确采用有效的方法抑制或消除伪影,提高CT图像质量的目的。

This paper introduces the frequent artifacts in CT, factors of its influence and the causes. Besides, it puts forward some methods to minimize and avoid artifacts. These methods are helpful for the medical and engineering technician not only to distinguish artifacts in CT but also minimize or avoid artifacts so as to improve the image quality in CT.