DocumentCode
2583252
Title
New efforts to quantitative T2-mapping imaging
Author
Ji, Weijie ; Qi, Shouliang ; Zhang, Jingshu ; Kang, Yan
Author_Institution
Sino-Dutch Biomed. & Inf. Eng. Sch., Northeastern Univ., Shenyang, China
Volume
1
fYear
2011
fDate
15-17 Oct. 2011
Firstpage
413
Lastpage
417
Abstract
This paper introduces new efforts on quantitative MRI, T2-mapping imaging based on T2 Weighted Imaging and linear fit algorithm. These new efforts aim to improve the accuracy and clinic feasibility of T2-mapping imaging by optimization of the acquisition parameters including initial echo, echo number, TR and echo interval. Optimized acquisition parameters are proposed through a number of tests. In addition, noises are reduced according to a new noise model based on signal differences between tissues and noises, to promote the quality of T2 maps. According to comparisons between a great quantity of T2 weighted images and T2 maps, it shows that improved T2 maps have advantages on early diagnosis of diseases related to brain and cartilage tissues.
Keywords
biological tissues; biomedical MRI; brain; medical image processing; optimisation; T2 weighted image; T2 weighted imaging; brain; cartilage tissue; disease diagnosis; echo interval; echo number; initial echo; linear fit algorithm; noise model; optimization; optimized acquisition parameter; quantitative MRI; quantitative T2-mapping imaging; Accuracy; Biomedical imaging; Educational institutions; Magnetic resonance imaging; Noise; Noise reduction; Acquisition parameters; Noise model; Quantitative MRI; T2-mapping imaging;
fLanguage
English
Publisher
ieee
Conference_Titel
Biomedical Engineering and Informatics (BMEI), 2011 4th International Conference on
Conference_Location
Shanghai
Print_ISBN
978-1-4244-9351-7
Type
conf
DOI
10.1109/BMEI.2011.6098276
Filename
6098276
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