Electrical Impedance Tomography Based On Current Density Imaging Microform
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Electrical Impedance Tomography Based On Current Density Imaging Microform
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Author : Nanping Zhang
language : en
Publisher: National Library of Canada = Bibliothèque nationale du Canada
Release Date : 1992
Electrical Impedance Tomography Based On Current Density Imaging Microform written by Nanping Zhang and has been published by National Library of Canada = Bibliothèque nationale du Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with categories.
Current Density Impedance Imaging Microform
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Author : Weijing Ma
language : en
Publisher: Library and Archives Canada = Bibliothèque et Archives Canada
Release Date : 2004
Current Density Impedance Imaging Microform written by Weijing Ma and has been published by Library and Archives Canada = Bibliothèque et Archives Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Current density impedance imaging (CDII) is a technique that allows non-invasive measurement of sample conductivity. The conventional Electrical Impedance Tomography (EIT) technique suffers from the ill-posedness of this inverse problem. It tries to recover internal conductivity from surface potential and current measurements, which causes the sensitivity to decrease in deeper regions. Numerical simulations have shown the validity and robustness of this technique. It has been proven that if two non-parallel current flows can be determined within the same conductive region, the information is sufficient to recover the relative conductivity. Our method, current density impedance imaging (CDII) uses two current density distributions to calculate the value of & nabla;lnsigma. Furthermore, combined with a quality-guided line integral algorithm, CDII can calculate the internal conductivity from this & nabla;lnsigma. This technique is a non-invasive way of detecting conductivity changes, and also an effective quasi-local approach to circumvent regions with either low MRI signal or high susceptibility.
Electrical Impedance Tomography
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Author : David S. Holder
language : en
Publisher: CRC Press
Release Date : 2004-12-31
Electrical Impedance Tomography written by David S. Holder and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-12-31 with Science categories.
In recent years, there has been steady progress in the research of electrical impedance tomography (EIT), leading to important developments. These developments have excited interest in practitioners and researchers from a broad range of disciplines, including mathematicians devoted to uniqueness proofs and inverse problems, physicists dealing with bioimpedance, electronic engineerers involved in developing and extending its applications, and clinicians wishing to take advantage of this powerful new imaging method. With contributions from leading international researchers, Electrical Impedance Tomography: Methods, History and Applications provides an up-to-date review of the progress of EIT, the present state of knowledge, and a look at future advances and applications. Divided into four parts, the book presents an interdisciplinary approach. The first part discusses reconstruction algorithms while the second part describes the aspects of EIT instrumentation, including frequencies and electrodes. The third part features various EIT studies, such as breast cancer screening and artificial ventilation in intensive care units. The final part surveys new developments in magnetic induction tomography and magnetic resonance EIT (MREIT) as well as offers insight into three of the most productive and longstanding EIT research groups. The book also includes two nontechnical appendices that provide a brief and simple introduction to bioimpedance and the methods of EIT. Written in a style accessible to all related backgrounds, this reference will be helpful in establishing new methods and experiments of EIT, hopefully leading to radical breakthroughs in mainstream clinical practice.
Electrical Impedance Tomography
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Author : John G. Webster
language : en
Publisher: CRC Press
Release Date : 1990
Electrical Impedance Tomography written by John G. Webster and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Art categories.
The first book devoted to the new medical imaging techniques of electrical impedance tomography, which works by forming imaging from conductivity distributions in the human body. The instrumentation required to obtain the data and the computer algorithms available to reconstruct images are the major topics covered by the book. Many clinical applications are also discussed. Written by researchers at the University of Wisconson-Madison, one of the foremost centres in the field, Electrical Impedance Tomography is an essential reference for workers in electrical impedance imaging and all medical physicists seeking to expand their use and knowledge of alternative imaging methods.
Comparing Reconstruction Methods For Electrical Impedance Tomography
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Author : Thomas J. Yorkey
language : en
Publisher:
Release Date : 1986
Comparing Reconstruction Methods For Electrical Impedance Tomography written by Thomas J. Yorkey and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
Equipotential Projection Based Magnetic Resonance Electrical Impedance Tomography Mr Eit For High Resolution Conductivity Imaging
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Author : Mahir Sinan Özdemir
language : en
Publisher:
Release Date : 2003
Equipotential Projection Based Magnetic Resonance Electrical Impedance Tomography Mr Eit For High Resolution Conductivity Imaging written by Mahir Sinan Özdemir and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Electrical impedance tomography categories.
Advances In Static Imaging Using Induced Current Electrical Impedance Tomography
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Author : Ralph Stephen Corby
language : en
Publisher:
Release Date : 1999
Advances In Static Imaging Using Induced Current Electrical Impedance Tomography written by Ralph Stephen Corby and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.
Deep Learning Based Approach To Improve Electrical Impedance Tomography Imaging
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Author :
language : en
Publisher:
Release Date : 2022
Deep Learning Based Approach To Improve Electrical Impedance Tomography Imaging written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Advances In Static Imaging Using Induced Current Electrical Impedance Tomography
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Author : Rhian Wyn Edwards
language : en
Publisher:
Release Date : 2002
Advances In Static Imaging Using Induced Current Electrical Impedance Tomography written by Rhian Wyn Edwards and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Nondestructive Materials Characterization
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Author : Norbert G. H. Meyendorf
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-21
Nondestructive Materials Characterization written by Norbert G. H. Meyendorf 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 2013-11-21 with Science categories.
With an emphasis on aircraft materials, this book describes techniques for the material characterization to detect and quantify degradation processes such as corrosion and fatigue. It introduces readers to these techniques based on x-ray, ultrasonic, optical and thermal principles and demonstrates the potential of the techniques for a wide variety of applications concerning aircraft materials, especially aluminum and titanium alloys. The advantages and disadvantages of various techniques are evaluated.