Study of metal artifacts reduction method of CT image
10.3760/cma.j.issn.1673-4181.2015.02.015
- VernacularTitle:CT图像金属伪影校正算法研究现状
- Author:
Liugang GAO
;
Xinye NI
- Publication Type:Journal Article
- Keywords:
CT image;
Metal artifacts;
Interpolation;
Iterative reconstruction;
Sinogram inpainting
- From:
International Journal of Biomedical Engineering
2015;38(2):-
- CountryChina
- Language:Chinese
-
Abstract:
Computed tomography (CT) has been widely used in clinical diagnosis and made a great contribution to diagnosis by providing anatomical information with high-resolution.However,when metal implants exist in patients' body,reconstructed CT images are seriously interfered by metal artifacts.Metal artifacts are usually expressed as many dark and bright radiant streak artifacts which seriously reduce diagnosis reliability and bring errors into the calculation of dose distribution in radiotherapy.Therefore,the study of metal artifact reduction (MAR)is of great importance.This article reviews main methods on MAR developed in recent years,and give deep analysis on some of the methods.
