Electromagnetics In Magnetic Resonance Imaging
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Electromagnetics In Magnetic Resonance Imaging
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Author : Christopher M. Collins
language : en
Publisher:
Release Date : 2016
Electromagnetics In Magnetic Resonance Imaging written by Christopher M. Collins and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with MEDICAL categories.
In the past few decades, magnetic resonance imaging (MRI) has become an indispensable tool in modern medicine, with MRI systems now available at every major hospital in the developed world. But for all its utility and prevalence, it is much less commonly understood and less readily explained than other common medical imaging techniques. Unlike optical, ultrasonic, x-ray (including CT), and nuclear medicine-based imaging, MRI does not rely primarily on simple transmission and/or reflection of energy, and the highest achievable resolution in MRI is orders of magnitude smaller that the smallest wavelength involved. In this book, MRI will be explained with emphasis on the magnetic fields required, their generation, their concomitant electric fields, the various interactions of all these fields with the subject being imaged, and the implications of these interactions to image quality and patient safety. Classical electromagnetics will be used to describe aspects from the fundamental phenomenon of nuclear precession through signal detection and MRI safety. Simple explanations and Illustrations combined with pertinent equations are designed to help the reader rapidly gain a fundamental understanding and an appreciation of this technology as it is used today, as well as ongoing advances that will increase its value in the future. Numerous references are included to facilitate further study with an emphasis on areas most directly related to electromagnetics.
Electromagnetics In Magnetic Resonance Imaging
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Author : C M Collins
language : en
Publisher: Myprint
Release Date : 2016-03-29
Electromagnetics In Magnetic Resonance Imaging written by C M Collins and has been published by Myprint this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-29 with categories.
Electromagnetic Analysis And Design In Magnetic Resonance Imaging
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Author : Jianming Jin
language : en
Publisher: Routledge
Release Date : 2018-02-06
Electromagnetic Analysis And Design In Magnetic Resonance Imaging written by Jianming Jin and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-06 with Medical categories.
This book presents a comprehensive treatment of electromagnetic analysis and design of three critical devices for an MRI system - the magnet, gradient coils, and radiofrequency (RF) coils. Electromagnetic Analysis and Design in Magnetic Resonance Imaging is unique in its detailed examination of the analysis and design of the hardware for an MRI system. It takes an engineering perspective to serve the many scientists and engineers in this rapidly expanding field. Chapters present: an introduction to MRI basic concepts of electromagnetics, including Helmholtz and Maxwell coils, inductance calculation, and magnetic fields produced by special cylindrical and spherical surface currents principles for the analysis and design of gradient coils, including discrete wires and the target field method analysis of RF coils based on the equivalent lumped-circuit model as well as an analysis based on the integral equation formulation survey of special purpose RF coils analytical and numerical methods for the analysis of electromagnetic fields in biological objects With the continued, active development of MRI instrumentation, Electromagnetic Analysis and Design in Magnetic Resonance Imaging presents an excellent, logically organized text - an indispensable resource for engineers, physicists, and graduate students working in the field of MRI.
Electromagnetics In Magnetic Resonance Imaging
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Author : Christopher M. Collins
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2016-03-01
Electromagnetics In Magnetic Resonance Imaging written by Christopher M. Collins and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-01 with Medical categories.
In the past few decades, Magnetic Resonance Imaging (MRI) has become an indispensable tool in modern medicine, with MRI systems now available at every major hospital in the developed world. But for all its utility and prevalence, it is much less commonly understood and less readily explained than other common medical imaging techniques. Unlike optical, ultrasonic, X-ray (including CT), and nuclear medicine-based imaging, MRI does not rely primarily on simple transmission and/or reflection of energy, and the highest achievable resolution in MRI is orders of magnitude smaller that the smallest wavelength involved. In this book, MRI will be explained with emphasis on the magnetic fields required, their generation, their concomitant electric fields, the various interactions of all these fields with the subject being imaged, and the implications of these interactions to image quality and patient safety. Classical electromagnetics will be used to describe aspects from the fundamental phenomenon of nuclear precession through signal detection and MRI safety. Simple explanations and Illustrations combined with pertinent equations are designed to help the reader rapidly gain a fundamental understanding and an appreciation of this technology as it is used today, as well as ongoing advances that will increase its value in the future. Numerous references are included to facilitate further study with an emphasis on areas most directly related to electromagnetics.
Electro Magnetic Tissue Properties Mri
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Author : Jin Keun Seo
language : en
Publisher: World Scientific
Release Date : 2014-03-07
Electro Magnetic Tissue Properties Mri written by Jin Keun Seo and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-07 with Medical categories.
This is the first book that presents a comprehensive introduction to and overview of electro-magnetic tissue property imaging techniques using MRI, focusing on Magnetic Resonance Electrical Impedance Tomography (MREIT), Electrical Properties Tomography (EPT) and Quantitative Susceptibility Mapping (QSM). The contrast information from these novel imaging modalities is unique since there is currently no other method to reconstruct high-resolution images of the electro-magnetic tissue properties including electrical conductivity, permittivity, and magnetic susceptibility. These three imaging modalities are based on Maxwell's equations and MRI data acquisition techniques. They are expanding MRI's ability to provide new contrast information on tissue structures and functions. To facilitate further technical progress, the book provides in-depth descriptions of the most updated research outcomes, including underlying physics, mathematical theories and models, measurement techniques, computation issues, and other challenging problems. Contents:IntroductionElectro-magnetism and MRIMagnetic Resonance Electrical Impedance TomographyMR-EPTQuantitative Susceptibility Mapping Readership: Researchers, academics and graduate students in medical imaging, computational mathematics and biomedical imaging. Keywords:Inverse Problem;MREIT;EPT;QSM;Conductivity;Permittivity;Susceptibility
Magnetic Resonance Imaging
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Author : Vadim Kuperman
language : en
Publisher: Elsevier
Release Date : 2000-03-15
Magnetic Resonance Imaging written by Vadim Kuperman and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03-15 with Science categories.
This book is intended as a text/reference for students, researchers, and professors interested in physical and biomedical applications of Magnetic Resonance Imaging (MRI). Both the theoretical and practical aspects of MRI are emphasized. The book begins with a comprehensive discussion of the Nuclear Magnetic Resonance (NMR) phenomenon based on quantum mechanics and the classical theory of electromagnetism. The first three chapters of this book provide the foundation needed to understand the basic characteristics of MR images, e.g.,image contrast, spatial resolution, signal-to-noise ratio, common image artifacts. Then MRI applications are considered in the following five chapters. Both the theoretical and practical aspects of MRI are emphasized. The book ends with a discussion of instrumentation and the principles of signal detection in MRI. Clear progression from fundamental physical principles of NMR to MRI and its applications Extensive discussion of image acquisition and reconstruction of MRI Discussion of different mechanisms of MR image contrast Mathematical derivation of the signal-to-noise dependence on basic MR imaging parameters as well as field strength In-depth consideration of artifacts in MR images Comprehensive discussion of several techniques used for rapid MR imaging including rapid gradient-echo imaging, echo-planar imaging, fast spin-echo imaging and spiral imaging Qualitative discussion combined with mathematical description of MR techniques for imaging flow
Electromagnetic Imaging In Science And Medicine
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Author : P. Ratnamahilan P. Hoole
language : en
Publisher: Wit Pr/Computational Mechanics
Release Date : 2000-01
Electromagnetic Imaging In Science And Medicine written by P. Ratnamahilan P. Hoole and has been published by Wit Pr/Computational Mechanics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01 with Technology & Engineering categories.
This volume introduces research and development engineers, graduate students and senior undergraduate students to the basic principles and techniques involved in electromagnetic image reconstruction and image processing. An attractive feature of the book is that in addition to covering the fundamental science behind imaging and the algorithms most commonly used, it also provides technological implementation examples of imaging. All the concepts and applications of electromagnetic imaging considered essential are discussed, while the programs listed will be of help to beginners who require a starting point for reconstructing images, as well as for manipulating and processing these. Signal processing is addressed at the levels of both images and the time domain electromagnetic signals and basic tools available for processing images are described. The application of wavelets and wavelet transforms to electromagnetic imaging systems is presented as a general approach to processing and understanding electromagnetic images.
Electromagnetic Analysis And Design In Magnetic Resonance Imaging
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Author : Jianming Jin
language : en
Publisher: Routledge
Release Date : 2018-02-06
Electromagnetic Analysis And Design In Magnetic Resonance Imaging written by Jianming Jin and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-02-06 with Medical categories.
This book presents a comprehensive treatment of electromagnetic analysis and design of three critical devices for an MRI system - the magnet, gradient coils, and radiofrequency (RF) coils. Electromagnetic Analysis and Design in Magnetic Resonance Imaging is unique in its detailed examination of the analysis and design of the hardware for an MRI system. It takes an engineering perspective to serve the many scientists and engineers in this rapidly expanding field. Chapters present: an introduction to MRI basic concepts of electromagnetics, including Helmholtz and Maxwell coils, inductance calculation, and magnetic fields produced by special cylindrical and spherical surface currents principles for the analysis and design of gradient coils, including discrete wires and the target field method analysis of RF coils based on the equivalent lumped-circuit model as well as an analysis based on the integral equation formulation survey of special purpose RF coils analytical and numerical methods for the analysis of electromagnetic fields in biological objects With the continued, active development of MRI instrumentation, Electromagnetic Analysis and Design in Magnetic Resonance Imaging presents an excellent, logically organized text - an indispensable resource for engineers, physicists, and graduate students working in the field of MRI.
Magnetic Resonance Imaging
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Author : Stewart C. Bushong
language : en
Publisher: Elsevier Health Sciences
Release Date : 2003-01-01
Magnetic Resonance Imaging written by Stewart C. Bushong and has been published by Elsevier Health Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-01-01 with Medical categories.
Dette er en grundlæggende lærebog om konventionel MRI samt billedteknik. Den begynder med et overblik over elektricitet og magnetisme, herefter gives en dybtgående forklaring på hvordan MRI fungerer og her diskuteres de seneste metoder i radiografisk billedtagning, patientsikkerhed m.v.
Ultra High Field Magnetic Resonance Imaging
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Author : Pierre-Marie Robitaille
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-12-31
Ultra High Field Magnetic Resonance Imaging written by Pierre-Marie Robitaille and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-31 with Medical categories.
The foundation for understanding the function and dynamics of biological systems is not only knowledge of their structure, but the new methodologies and applications used to determine that structure. This volume in Biological Magnetic Resonance emphasizes the methods that involve Ultra High Field Magnetic Resonance Imaging. It will interest researchers working in the field of imaging.