半环状伪影为MRVE主要存在的伪影。
And half circle artifact was the main artifact of MRVE in this series.
针对金属伪影，提出一种快速而稳定的校正方法。
In this paper, a fast method for metal artifacts reduction is proposed.
前言：目的：探讨磁共振伪影的成因及其处理方式。
Objective: To discuss the reason of MRI artifacts and its disposition.
金属伪影的校正已成为CT技术中的研究难点和热点。
Correction method of metal artifacts has become the hot and difficult issue of ct technique.
这些伪影严重影响了图像的质量，给人们的判断带来极大困难。
These artifacts seriously influence image quality and bring huge difficulties for judgment.
这些伪影严重影响了图像的质量，给人们的判断带来极大困难。
These artifacts seriously influence image quality and bring huge difficulties for judgment.
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