Evaluation of robust wave image processing methods for magnetic resonance elastography

被引：19
|
作者：
Li, Bing Nan [1 ]
Shan, Xiang [1 ]
Xiang, Kui [2 ]
An, Ning [3 ]
Xu, Jinzhang [4 ]
Huang, Weimin [5 ]
Kobayashi, Etsuko [6 ]
机构：
[1] Hefei Univ Technol, Dept Biomed Engn, Hefei, Peoples R China
[2] Wuhan Univ Technol, Sch Automat, Wuhan 430070, Peoples R China
[3] Hefei Univ Technol, Sch Comp & Informat, Hefei, Peoples R China
[4] Hefei Univ Technol, Sch Elect Engn & Automat, Hefei, Peoples R China
[5] Inst Infocomm Res, Neural & Biomed Image Lab, Singapore, Singapore
[6] Univ Tokyo, Dept Precis Engn, Tokyo, Japan
来源：
COMPUTERS IN BIOLOGY AND MEDICINE | 2014年 / 54卷
基金：
中国国家自然科学基金;
关键词：
Directional filtering; Magnetic resonance elastography; Noise suppression; Phase unwrapping; MR ELASTOGRAPHY; IN-VIVO; INVERSION; ECHO;
D O I：
10.1016/j.compbiomed.2014.08.024
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
Magnetic resonance elastography (MRE) is a promising modality for in vivo quantification and visualization of soft tissue elasticity. It involves three stages of processes for (1) external excitation, (2) wave imaging and (3) elasticity reconstruction. One of the important issues to be addressed in MRE is wave image processing and enhancement. In this study we approach it from three different ways including phase unwrapping, directional filtering and noise suppression. The relevant solutions were addressed briefly. Some of them were implemented and evaluated on both simulated and experimental MRE datasets. The results confirm that wave image enhancement is indispensable before carrying out MRE elasticity reconstruction. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：100 / 108
页数：9
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