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High Energy X Ray Implementation Of Phase Contrast And Dark Field Imaging
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Book Synopsis High Energy X-ray Implementation of Phase Contrast and Dark Field Imaging by : Ian Buchanan
Download or read book High Energy X-ray Implementation of Phase Contrast and Dark Field Imaging written by Ian Buchanan and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray phase contrast and dark field imaging are emerging imaging modalities which provide significantly enhanced visibility of details classically considered "x-ray invisible" and complementary information on a sample's micro-structure, respectively. To date they have been successfully implemented in a series of applications at low x-ray energy, but their translation to higher x-ray energies is still, to some extent, problematic. Yet the ability to perform phase contrast and dark field imaging at high x-ray energy would have a series of significant implications in various applications, medical or otherwise. This thesis work investigates this option through a combination of modelling and experimental work. Particular attention has been dedicated to the behaviour of the optical elements (x-ray masks) that make phase contrast and dark field possible at high energy, which required the design of new methods of their implemention into simulation models. The modeling results have been validated first through a pilot experiment at a synchrotron facility, then in a series of lab experiments. Results clearly indicate that implementations of phase contrast and dark field imaging at high x-ray energy exist, however particular care must be taken in the design and fabrication of the masks; moreover, a series of parasitic effects which are absent at lower energies appear, which this thesis work describes and against which it suggests mitigation solutions.
Book Synopsis Phase-Contrast and Dark-Field Imaging by : Simon Zabler
Download or read book Phase-Contrast and Dark-Field Imaging written by Simon Zabler and published by MDPI. This book was released on 2019-01-08 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Phase-Contrast and Dark-Field Imaging" that was published in J. Imaging
Book Synopsis Medical Imaging Systems by : Andreas Maier
Download or read book Medical Imaging Systems written by Andreas Maier and published by Springer. This book was released on 2018-08-02 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book gives a complete and comprehensive introduction to the fields of medical imaging systems, as designed for a broad range of applications. The authors of the book first explain the foundations of system theory and image processing, before highlighting several modalities in a dedicated chapter. The initial focus is on modalities that are closely related to traditional camera systems such as endoscopy and microscopy. This is followed by more complex image formation processes: magnetic resonance imaging, X-ray projection imaging, computed tomography, X-ray phase-contrast imaging, nuclear imaging, ultrasound, and optical coherence tomography.
Book Synopsis X-ray Phase-Contrast Imaging Using Near-Field Speckles by : Marie-Christine Zdora
Download or read book X-ray Phase-Contrast Imaging Using Near-Field Speckles written by Marie-Christine Zdora and published by Springer Nature. This book was released on 2021-02-16 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents research on novel X-ray imaging methods that improve the study of specimens with small density differences, revealing their inner structure and density distribution. Exploiting the phase shift of X-rays in a material can significantly increase the image contrast compared to conventional absorption imaging. This thesis provides a practical guide to X-ray phase-contrast imaging with a strong focus on X-ray speckle-based imaging, the most recently developed phase-sensitive method. X-ray speckle-based imaging only requires a piece of abrasive paper in addition to the standard X-ray imaging setup. Its simplicity and robustness combined with the compatibility with laboratory X-ray sources, make it an ideal candidate for wide user uptake in a range of fields. An in-depth overview of the state of the art of X-ray speckle-based imaging and its latest developments is given in this thesis. It, furthermore, explores a broad range of applications, from X-ray optics characterisation, to biomedical imaging for 3D virtual histology and geological studies of volcanic rocks, demonstrating is promising potential. Moreover, the speckle-based technique is placed in the context of other phase-sensitive X-ray imaging methods to assist in the choice of a suitable method, hence serving as a guide and reference work for future users.
Book Synopsis Phase-Contrast and Dark-Field Imaging by : Simon Zabler
Download or read book Phase-Contrast and Dark-Field Imaging written by Simon Zabler and published by . This book was released on 2018 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt: The intent of this Special Issue is to provide a framework with which scientists in several different disciplines, related to phase-contrast and dark-field imaging, can illustrate their ideas and results. The articles are reviews or very recent scientific reports; they address newcomers in the field, as well as experts and professors in fields of X-ray physics, electron, and phase-contrast X-ray imaging.
Book Synopsis Handbook of Advanced Nondestructive Evaluation by : Nathan Ida
Download or read book Handbook of Advanced Nondestructive Evaluation written by Nathan Ida and published by Springer. This book was released on 2019-07-29 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook is a comprehensive source of information on all aspects of non-destructive testing (NDT), for use by professionals, educators, and most of all, by the practitioners of testing. The art of NDT consists of dozens of methods, some classical, and some emerging. As the pace of industrial work and discovery intensifies and materials are utilized to their physical limits, the role of NDT becomes ever more important. As a result, the methods of testing are themselves evolving, and it is the intent of this book to capture this evolution. Handbook of Modern Non-Destructive Testing broadens the scope from traditional books on the subject. In addition to classical, emerging and exotic methods of evaluation, the book will also cover the use of NDT techniques in other fields, such as archaeology or resource exploration. With contributions from experts in all areas of the field, the reader will find balanced coverage of a variety of testing methods, with no bias against or endorsements of any particular method. The book treats many areas in depth, covering all aspects of testing, and will include case studies where appropriate. Additional coverage of statistical methods and their use, as well as simulations‘ role in testing and test design, are included.
Book Synopsis Coherent X-Ray Optics by : David Paganin
Download or read book Coherent X-Ray Optics written by David Paganin and published by Oxford University Press on Demand. This book was released on 2006-01-12 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: X-ray optics is undergoing a renaissance, which may be paralleled to that experienced by visible-light optics following the invention of the laser. The associated surge of activity in "coherent" x-ray optics has been documented in this monograph, the first of its type in the field.
Book Synopsis X-ray Phase-contrast and Dark-field Imaging in Single-shot and Scanning Mode by : Maria Theresa Seifert
Download or read book X-ray Phase-contrast and Dark-field Imaging in Single-shot and Scanning Mode written by Maria Theresa Seifert and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis World Congress on Medical Physics and Biomedical Engineering September 7 - 12, 2009 Munich, Germany by : Olaf Dössel
Download or read book World Congress on Medical Physics and Biomedical Engineering September 7 - 12, 2009 Munich, Germany written by Olaf Dössel and published by Springer Science & Business Media. This book was released on 2010-01-04 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt: Present Your Research to the World! The World Congress 2009 on Medical Physics and Biomedical Engineering – the triennial scientific meeting of the IUPESM - is the world’s leading forum for presenting the results of current scientific work in health-related physics and technologies to an international audience. With more than 2,800 presentations it will be the biggest conference in the fields of Medical Physics and Biomedical Engineering in 2009! Medical physics, biomedical engineering and bioengineering have been driving forces of innovation and progress in medicine and healthcare over the past two decades. As new key technologies arise with significant potential to open new options in diagnostics and therapeutics, it is a multidisciplinary task to evaluate their benefit for medicine and healthcare with respect to the quality of performance and therapeutic output. Covering key aspects such as information and communication technologies, micro- and nanosystems, optics and biotechnology, the congress will serve as an inter- and multidisciplinary platform that brings together people from basic research, R&D, industry and medical application to discuss these issues. As a major event for science, medicine and technology the congress provides a comprehensive overview and in–depth, first-hand information on new developments, advanced technologies and current and future applications. With this Final Program we would like to give you an overview of the dimension of the congress and invite you to join us in Munich! Olaf Dössel Congress President Wolfgang C.
Book Synopsis Synchrotron Radiation Applications by : Xinyi Zhang
Download or read book Synchrotron Radiation Applications written by Xinyi Zhang and published by . This book was released on 2018 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The book contains the latest synchrotron-based techniques and research results. All contributors are specialists or leading scientists in their fields. The book includes new techniques and methods that will potentially get wider applications in various disciplines"--
Book Synopsis Elements of Modern X-ray Physics by : Jens Als-Nielsen
Download or read book Elements of Modern X-ray Physics written by Jens Als-Nielsen and published by John Wiley & Sons. This book was released on 2011-04-04 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eagerly awaited, this second edition of a best-selling text comprehensively describes from a modern perspective the basics of x-ray physics as well as the completely new opportunities offered by synchrotron radiation. Written by internationally acclaimed authors, the style of the book is to develop the basic physical principles without obscuring them with excessive mathematics. The second edition differs substantially from the first edition, with over 30% new material, including: A new chapter on non-crystalline diffraction - designed to appeal to the large community who study the structure of liquids, glasses, and most importantly polymers and bio-molecules A new chapter on x-ray imaging - developed in close cooperation with many of the leading experts in the field Two new chapters covering non-crystalline diffraction and imaging Many important changes to various sections in the book have been made with a view to improving the exposition Four-colour representation throughout the text to clarify key concepts Extensive problems after each chapter There is also supplementary book material for this title available online (http://booksupport.wiley.com). Praise for the previous edition: “The publication of Jens Als-Nielsen and Des McMorrow’s Elements of Modern X-ray Physics is a defining moment in the field of synchrotron radiation… a welcome addition to the bookshelves of synchrotron–radiation professionals and students alike.... The text is now my personal choice for teaching x-ray physics…” – Physics Today, 2002
Download or read book X-ray Phase Contrast Imaging written by and published by . This book was released on 2012 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interest in phase sensitive x-ray imaging techniques has grown rapidly in recent years. Numerous techniques have been demonstrated to measure the phase shift of x-rays as they pass through matter. One such method, grating-based interferometry, has shown the most potential for clinical use. This dissertation continues our group's efforts at characterizing the Talbot-Lau interferometer, with the overall goal of determining the clinical utility of the system. This work first covers the basics of x-ray phase contrast imaging with a grating interferometer. Phase contrast imaging with this method has the advantage over conventional absorption imaging in that it allows for the simultaneous measurement of multiple contrast mechanisms. This multi-contrast imaging modality has the potential to improve the diagnostic capabilities of traditional imaging systems. It has unique noise properties that allow it to move to higher spatial resolution at a lower dose penalty, as well as improved contrast for certain material combinations. However, questions still remain about where such a system would fit in the clinical realm. This dissertation delves into new research demonstrating the effects of beam hardening, improving the phase retrieval technique, determining the best method for grating fabrication, and exploring the impact of the small-angle scattering, or dark field, contrast mechanism. Both traditional beam hardening artifacts and new ones are shown, and their implication for clinical systems is discussed. The improved phase retrieval techniques aim at reducing the temporal requirements for the current acquisition method. While most of them succeed at reducing the time requirements, they also all come with an associated cost to the final image. Along with improved signal extraction, improved grating fabrication is discussed. The design and construction of a new grating fabrication system is detailed, demonstrating its capability of both producing absorption gratings with greater metal deposition depths and using cheaper, alternative absorbers. Finally, the impact of the dark-field contrast mechanism is discussed, highlighting the interplay between high-quality, low-noise phase and dark-field images.
Book Synopsis Development and Characterization of a High Energy Phase Contrast X-ray Imaging System Prototype by : Molly Eileen Donovan Wong
Download or read book Development and Characterization of a High Energy Phase Contrast X-ray Imaging System Prototype written by Molly Eileen Donovan Wong and published by . This book was released on 2011 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Springer Handbook of Microscopy by : Peter W. Hawkes
Download or read book Springer Handbook of Microscopy written by Peter W. Hawkes and published by Springer Nature. This book was released on 2019-11-02 with total page 1561 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book features reviews by leading experts on the methods and applications of modern forms of microscopy. The recent awards of Nobel Prizes awarded for super-resolution optical microscopy and cryo-electron microscopy have demonstrated the rich scientific opportunities for research in novel microscopies. Earlier Nobel Prizes for electron microscopy (the instrument itself and applications to biology), scanning probe microscopy and holography are a reminder of the central role of microscopy in modern science, from the study of nanostructures in materials science, physics and chemistry to structural biology. Separate chapters are devoted to confocal, fluorescent and related novel optical microscopies, coherent diffractive imaging, scanning probe microscopy, transmission electron microscopy in all its modes from aberration corrected and analytical to in-situ and time-resolved, low energy electron microscopy, photoelectron microscopy, cryo-electron microscopy in biology, and also ion microscopy. In addition to serving as an essential reference for researchers and teachers in the fields such as materials science, condensed matter physics, solid-state chemistry, structural biology and the molecular sciences generally, the Springer Handbook of Microscopy is a unified, coherent and pedagogically attractive text for advanced students who need an authoritative yet accessible guide to the science and practice of microscopy.
Book Synopsis Dynamical Scattering of X-Rays in Crystals by : Z.G. Pinsker
Download or read book Dynamical Scattering of X-Rays in Crystals written by Z.G. Pinsker and published by Springer. This book was released on 2012-02-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: (Historical Survey) The discovery of X-ray diffraction in crystals by LAUE, FRIDRICH and KNIPPING in 1912 [1.1] served as the starting pOint for the development of scientific research along a number of important lines. We shall discuss just a few of them. The above discovery convincingly demonstrated the wave properties of X-rays. This, together with the previously established electromagnetic nature of radiation, confirmed the hypothesis that X-rays form the short-wave part of the electromagnetic spectrum. Further, this discovery was the first and decisive experimental proof of the periodic structure of crystals. In fact, theoretical crystallography had already arrived at this conclusion, mainly as an outcome of the theory of the space groups of symmetry elaborated by FEDOROV [1.2] and SCHOENFLIES [1.3]. From the optics of visible light we know that the radiation of a wave length of the same order as, and preferably less than, the period of a grat ing suffers diffraction on periodic objects of the type of optical grating. Thus, the discovery proved that the wavelength of an X-ray must be of the order of interatomic distances. It became clear why the visible light of wavelengths exceeding the crystal lattice periods by about 500 to 1000 times failed to reveal the periodic structure of crystals in diffraction experi ments.
Download or read book Biomedical Imaging written by Tim Salditt and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-10-23 with total page 437 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covering both physical as well as mathematical and algorithmic foundations, this graduate textbook provides the reader with an introduction into modern biomedical imaging and image processing and reconstruction. These techniques are not only based on advanced instrumentation for image acquisition, but equally on new developments in image processing and reconstruction to extract relevant information from recorded data. To this end, the present book offers a quantitative treatise of radiography, computed tomography, and medical physics. Contents Introduction Digital image processing Essentials of medical x-ray physics Tomography Radiobiology, radiotherapy, and radiation protection Phase contrast radiography Object reconstruction under nonideal conditions
Book Synopsis Development of Image Acquisition and Alignment Methods for X-ray Dark-field and Phase-contrast Imaging by : Veronika Ludwig
Download or read book Development of Image Acquisition and Alignment Methods for X-ray Dark-field and Phase-contrast Imaging written by Veronika Ludwig and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
