Parametric Mapping of Brain Tissues from Diffusion Kurtosis Tensor
Joint Authors
Ming, Dong
Ni, Hongyan
Wan, Baikun
Qi, Hongzhi
Zhao, Xin
Ding, Hao
Chen, Yuanyuan
Feng, Jie
Source
Computational and Mathematical Methods in Medicine
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-08-29
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
Diffusion kurtosis imaging (DKI) is a new diffusion magnetic resonance imaging (MRI) technique to go beyond the shortages of conventional diffusion tensor imaging (DTI) from the assumption that water diffuse in biological tissue is Gaussian.
Kurtosis is used to measure the deviation of water diffusion from Gaussian model, which is called non-Gaussian, in DKI.
However, the high-order kurtosis tensor in the model brings great difficulties in feature extraction.
In this study, parameters like fractional anisotropy of kurtosis eigenvalues (FAek) and mean values of kurtosis eigenvalues (Mek) were proposed, and regional analysis was performed for 4 different tissues: corpus callosum, crossing fibers, thalamus, and cerebral cortex, compared with other parameters.
Scatterplot analysis and Gaussian mixture decomposition of different parametric maps are used for tissues identification.
Diffusion kurtosis information extracted from kurtosis tensor presented a more detailed classification of tissues actually as well as clinical significance, and the FAek of D-eigenvalues showed good sensitivity of tissues complexity which is important for further study of DKI.
American Psychological Association (APA)
Chen, Yuanyuan& Zhao, Xin& Ni, Hongyan& Feng, Jie& Ding, Hao& Qi, Hongzhi…[et al.]. 2012. Parametric Mapping of Brain Tissues from Diffusion Kurtosis Tensor. Computational and Mathematical Methods in Medicine،Vol. 2012, no. 2012, pp.1-7.
https://search.emarefa.net/detail/BIM-500792
Modern Language Association (MLA)
Chen, Yuanyuan…[et al.]. Parametric Mapping of Brain Tissues from Diffusion Kurtosis Tensor. Computational and Mathematical Methods in Medicine No. 2012 (2012), pp.1-7.
https://search.emarefa.net/detail/BIM-500792
American Medical Association (AMA)
Chen, Yuanyuan& Zhao, Xin& Ni, Hongyan& Feng, Jie& Ding, Hao& Qi, Hongzhi…[et al.]. Parametric Mapping of Brain Tissues from Diffusion Kurtosis Tensor. Computational and Mathematical Methods in Medicine. 2012. Vol. 2012, no. 2012, pp.1-7.
https://search.emarefa.net/detail/BIM-500792
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-500792