| A flow quantification method using fluid dynamics regularization and MR tagging. | |
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MedLine Citation:
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PMID: 20172815 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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This paper presents a new method for improved flow analysis and quantification using MRI. The method incorporates fluid dynamics to regularize the flow quantification from tagged MR images. Specifically, the flow quantification is formulated as a minimization problem based on the following: 1) the Navier-Stokes equation governing the fluid dynamics; 2) the flow continuity equation and boundary conditions; and 3) the data consistency constraint. The minimization is carried out using a genetic algorithm. This method is tested using both computer simulations and MR flow experiments. The results are evaluated using flow vector fields from the computational fluid dynamics software package as a reference, which show that the new method can achieve more realistic and accurate flow quantifications than the conventional method. |
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Authors:
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Yuttapong Jiraraksopakun; Mary P McDougall; Steven M Wright; Jim X Ji |
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Publication Detail:
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Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S. Date: 2010-02-17 |
Journal Detail:
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Title: IEEE transactions on bio-medical engineering Volume: 57 ISSN: 1558-2531 ISO Abbreviation: IEEE Trans Biomed Eng Publication Date: 2010 Jun |
Date Detail:
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Created Date: 2010-07-27 Completed Date: 2010-12-15 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0012737 Medline TA: IEEE Trans Biomed Eng Country: United States |
Other Details:
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Languages: eng Pagination: 1437-45 Citation Subset: IM |
Affiliation:
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Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA. yuttapong@tamu.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Algorithms* Blood Flow Velocity / physiology Blood Vessels / physiology* Computer Simulation Humans Image Interpretation, Computer-Assisted / methods* Magnetic Resonance Angiography / instrumentation, methods* Models, Cardiovascular* Phantoms, Imaging Reproducibility of Results Rheology / methods* Sensitivity and Specificity Spin Labels |
| Chemical | |
Reg. No./Substance:
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0/Spin Labels |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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