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Reconstruction of parallel MRI images using high resolution image reconstruction techniques. / Reconstruction of parallel magnetic resonance imaging images using high resolution image reconstruction techniques

Tai, Chi Kin. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2010. / Includes bibliographical references (p. 56-59). / Abstracts in English and Chinese. / Chapter 1 --- Introduction --- p.7 / Chapter 2 --- Theoretical Background --- p.9 / Chapter 2.1 --- Nuclear Magnetic Resonance --- p.9 / Chapter 2.1.1 --- Nuclear spin and macroscopic magnetization --- p.10 / Chapter 2.1.2 --- Precession and Larmor Frequency --- p.12 / Chapter 2.1.3 --- Radio-frequency excitation --- p.13 / Chapter 2.1.4 --- Radio-frequency relaxation --- p.15 / Chapter 2.1.5 --- Spin echoes --- p.17 / Chapter 2.1.6 --- Contrast mechanisms --- p.17 / Chapter 2.2 --- Magnetic Resonance Imaging --- p.20 / Chapter 2.2.1 --- MRI machine hardware --- p.20 / Chapter 2.2.2 --- Slice selection --- p.22 / Chapter 2.2.3 --- Frequency encoding --- p.23 / Chapter 2.2.4 --- Phase encoding --- p.26 / Chapter 2.2.5 --- Pulse sequences --- p.26 / Chapter 2.2.6 --- Field of view and resolution --- p.28 / Chapter 3 --- Parallel Magnetic Resonance Imaging --- p.30 / Chapter 3.1 --- Motivation --- p.30 / Chapter 3.1.1 --- Aliasing --- p.31 / Chapter 3.2 --- Coil array and coil sensitivities --- p.32 / Chapter 3.3 --- Sensitivity encoding --- p.32 / Chapter 3.3.1 --- Estimation of coil sensitivities --- p.33 / Chapter 3.3.2 --- SENSE reconstruction --- p.33 / Chapter 3.4 --- pMRI reconstruction by TV regularization --- p.35 / Chapter 3.4.1 --- Model for coil images --- p.35 / Chapter 3.4.2 --- Total variation-regularization approach --- p.36 / Chapter 4 --- Reconstruction Results --- p.39 / Chapter 4.1 --- Simulation --- p.39 / Chapter 4.1.1 --- Reconstruction quality --- p.41 / Chapter 4.1.2 --- Reconstruction results --- p.43 / Chapter 4.2 --- MRI phantom experiments --- p.44 / Chapter 4.2.1 --- Reconstruction quality --- p.48 / Chapter 4.2.2 --- Reconstruction results --- p.49 / Chapter 4.3 --- In-vivo MRI images --- p.51 / Chapter 5 --- Discussions and Conclusions --- p.54 / Bibliography --- p.56

Identiferoai:union.ndltd.org:cuhk.edu.hk/oai:cuhk-dr:cuhk_327195
Date January 2010
ContributorsTai, Chi Kin., Chinese University of Hong Kong Graduate School. Division of Mathematics.
Source SetsThe Chinese University of Hong Kong
LanguageEnglish, Chinese
Detected LanguageEnglish
TypeText, bibliography
Formatprint, 59 p. : ill. ; 30 cm.
RightsUse of this resource is governed by the terms and conditions of the Creative Commons “Attribution-NonCommercial-NoDerivatives 4.0 International” License (http://creativecommons.org/licenses/by-nc-nd/4.0/)

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