利用相似度決定白質神經纖維束成像之最佳擴散張量梯度數目

李秀萍

doi:10.6342/NTU.2005.00131

18.208.126.232，Hello！

Close
Search Quick Search Advanced Search Publication Search	Personal Service Member Login Searching History Use Bonus Card SYMSKAN
Browse Browse by University of Graduate Thesis Browse by Pinyin of Graduate Thesis Browse by Conference Proceedings Topic Browse by Conference Proceedings Publisher Browse by Pinyin of Conference Proceedings Browse by eBook Category Browse by eBook Topic Browse by eBook Publisher
Customer Services Authorize Airiti Recommend a Journal

Search Symbol (Half-width)	Description of Search Symbols
Space	"AND" indicates the intertwining of key terms used in a search
Double Quotation Marks ("") ( " " )	Double quotation marks indicate the beginning and end of a phrase, and the search will only include terms that appear in the same order of those within the quotations. Example: "image process" ： " image process "
?	Indicates a variable letter. Entering two ? will indicate two variable letters, and so on. Example: "Appl?", search results will yield apple, apply… e , appl y … ( (often used to English word searches) )
*	Indicates an unlimited number of variable letters to follow, from 1~n. Example: Enter "appl*", search results will yield apple, apples, apply, applied, application…(often used in English word searches) e , appl es , appl y , appl ied , appl ication … ( (often used to English word searches) )
AND、OR、NOT	Boolean logic combinations of key words is a skill used to expand or refine search parameters. (1) AND (1) AND: Refines search parameters (2) OR (2) OR: Expands search parameters (3) NOT: Excludes irrelevant parameters

DOI stands for Digital Object Identifier （ D igital O bject I dentifier ） ,
and is the unique identifier for objects on the internet. It can be used to create persistent link and to cite articles.

Using DOI as a persistent link

To create a persistent link, add「http://dx.doi.org/」「 http://dx.doi.org/ 」 before a DOI.
For instance, if the DOI of an article is 10.5297/ser.1201.002 , you can link persistently to the article by entering the following link in your browser: http://dx.doi.org/ 10.5297/ser.1201.002 。
The DOI link will always direct you to the most updated article page no matter how the publisher changes the document's position, avoiding errors when engaging in important research.

Cite a document with DOI

When citing references, you should also cite the DOI if the article has one. If your citation guideline does not include DOIs, you may cite the DOI link.

DOIs allow accurate citations, improve academic contents connections, and allow users to gain better experience across different platforms. Currently, there are more than 70 million DOIs registered for academic contents. If you want to understand more about DOI, please visit airiti DOI Registration （ doi.airiti.com ）。

Data Source

Health & Medical Care > Medical Sciences
College of Engineering > Graduate Institute of Biomedical Engineering

Bibliography Management Tool

Related Links

Report an Issue

Purchase Single Articles

Download PDF

利用相似度決定白質神經纖維束成像之最佳擴散張量梯度數目

Using Coherence Index to Determine the Optimum Diffusion Tensor Encoding Steps for White Matter Tractography

李秀萍 , Masters　　Advisor：陳中明　　Co-advisor ：曾文毅

繁體中文 DOI： 10.6342/NTU.2005.00131

方法相似度指標；擴散張量神經追踨； diffusion tensor Tractography coherence index

Abstract │ Reference (65) │ Altmetrics

Abstract 〈TOP〉

Parallel Abstract 〈TOP〉

Recently, the technique of Diffusion Magnetic Resonance Imaging (Diffusion MRI) has developed to make progress in explaining perpetual controversy about neuroscience in human brain. Diffusion Tensor magnetic resonance Imaging (DTI) has been recognized as an important tool to reveal the axonal fiber tracts in cerebral white matter noninvasively in the clinical diagnosis image. By probing the translational displacement of water molecules, it provides the primary direction of water molecular diffusion which is correlated to the main pathway of fiber bundles. The eigenvector of the diffusion tensor at each location in the cerebral white matter represents the fiber orientation at the same location. Based on this information, 3D reconstruction and visualization of white matter fiber pathways can be produced by tractography.

The last, MR-DTI has achieved a reasonable cognition and judgement, making a difference from the past acquisition strategies for complicated structure of white matter bundles. International eminent functional brain science research center has investigated related lectures for tractography algorithm and available tools, and we also proposed a novel fiber tracking algorithm. It extracted salient tensor feature using a local regularization theory that represented SDWI method. By using a phantom image made up of PE fibers with known fiber pathways to validate stability of this algorithm.

Extensive attention and profound analysis has been given to recover identifiable anatomical structures that correspond to fiber tracjectories, and the position of brain lesions in vast Tractography innovation has played more important role. We has derived from Tractography quantitative index a formula that determines the correlation between optimum diffusion tensor encoding steps and white matter tractography. Its  dominant strategy has  not been proven by the traditional Tractography research and related application in the clinical experiment parameter.

Reference ( 65 ) 〈TOP〉

1. Ching-Po Lin, Wen-Yih Isaac Tseng, Hui-Cheng Cheng, and Jyh-Horng Chen. Validation of diffusion tensor magnetic resonance axonal fiber imaging with registered Manganese enhanced optic tracts. NeuroImage 14[5], 1035-1047. 2001.
連結：
2. Kenshi Terajima and Tsutomu Nakada. EZ-tracing: a new ready-to-use algorithm for magnetic resonance tractography. Journal of Neuroscience Methods 16[2], 147-155. 2002.
連結：
3. Dongrong Xu, Susumu Mori, Meiyappan Solaiyappan, Peter C. M. van Zijl, and Christos Davatzikos. A Framework for Callosal Fiber Distribution Analysis. NeuoImage 17[3], 1131-1143. 2002.
連結：
6. Carr, H. Y. and Purcell, E. M. Effects of diffusion on free precession in nuclear magnetic resonance experiments. Journal of Chemical Physics 94[3], 630-638. 1954.
連結：
7. Bloch, F. Nuclear induction. Physical Review 70, 460-474. 1946.
連結：

Altmetrics

〈TOP〉

E-mail ：

When an article is available to download, a notice will be sent to your mailbox address.

E-mail ：