Diffracting Digital Images
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Diffracting Digital Images
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Author : Ian Dawson
language : en
Publisher: Routledge
Release Date : 2021-12-27
Diffracting Digital Images written by Ian Dawson and has been published by Routledge this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-12-27 with Art categories.
Digital imaging techniques have been rapidly adopted within archaeology and cultural heritage practice for the accurate documentation of cultural artefacts. But what is a digital image, and how does it relate to digital photography? The authors of this book take a critical look at the practice and techniques of digital imaging from the stance of digital archaeologists, cultural heritage practitioners and digital artists. Borrowing from the feminist scholar Karen Barad, the authors ask what happens when we diffract the formal techniques of archaeological digital imaging through a different set of disciplinary concerns and practices. Diffracting exposes the differences between archaeologists, heritage practitioners and artists, and foregrounds how their differing practices and approaches enrich and inform each other. How might the digital imaging techniques used by archaeologists be adopted by digital artists, and what are the potentials associated with this adoption? Under the gaze of fine artists, what happens to the fidelity of the digital images made by archaeologists, and what new questions do we ask of the digital image? How can the critical approaches and practices of fine artists inform the future practice of digital imaging in archaeology and cultural heritage? Diffracting Digital Images will be of interest to students and scholars in archaeology, cultural heritage studies, anthropology, fine art, digital humanities, and media theory.
Optical Imaging And Aberrations
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Author : Virendra N. Mahajan
language : en
Publisher: SPIE-International Society for Optical Engineering
Release Date : 2011
Optical Imaging And Aberrations written by Virendra N. Mahajan and has been published by SPIE-International Society for Optical Engineering this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Aberration categories.
Ten years have passed since the publication of the first edition of this classic text in April 2001. Considerable new material amounting to 100 pages has been added in this second edition. Each chapter now contains a Summary section at the end. The new material in Chapter 4 consists of a detailed comparison of Gaussian apodization with a corresponding beam, determination of the optimum value of the Gaussian radius relative to that of the pupil to yield maximum focal-point irradiance, detailed discussion of standard deviation, aberration balancing, and Strehl ratio for primary aberrations, derivation of the aberration-free and defocused OTF, discussion of an aberrated beam yielding higher axial irradiance in a certain defocused region than its aberration-free focal-point value, illustration that aberrated PSFs lose the advantage of Gaussian apodizaton in reducing the secondary maxima of a PSF, and a brief description of the characterization of the width of a multimode beam. In Chapter 5, the effect of random longitudinal defocus on a PSF is included. The coherence length of atmospheric turbulence is calculated for looking both up and down through the atmosphere. Also discussed are the angle of arrival of a light wave propagating through turbulence, and lucky imaging where better-quality short-exposure images are selected, aligned, and added to obtain a high-quality image.
X Ray Diffraction Imaging
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Author : Joel Greenberg
language : en
Publisher: CRC Press
Release Date : 2018-11-02
X Ray Diffraction Imaging written by Joel Greenberg and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-11-02 with Technology & Engineering categories.
This book explores novel methods for implementing X-ray diffraction technology as an imaging modality, which have been made possible through recent breakthroughs in detector technology, computational power, and data processing algorithms. The ability to perform fast, spatially-resolved X-ray diffraction throughout the volume of a sample opens up entirely new possibilities in areas such as material analysis, cancer diagnosis, and explosive detection, thus offering the potential to revolutionize the fields of medical, security, and industrial imaging and detection. Featuring chapters written by an international selection of authors from both academia and industry, the book provides a comprehensive discussion of the underlying physics, architectures, and applications of X-ray diffraction imaging that is accessible and relevant to neophytes and experts alike. Teaches novel methods for X-ray diffraction imaging Comprehensive and self-contained discussion of the relevant physics, imaging techniques, system components, and data processing algorithms Features state-of-the-art work of international authors from both academia and industry. Includes practical applications in the medical, industrial, and security sectors
Diffraction Limited Imaging With Very Large Telescopes
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Author : D.M. Alloin
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Diffraction Limited Imaging With Very Large Telescopes written by D.M. Alloin 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 2012-12-06 with Science categories.
A few years ago, a real break-through happened in observational astronomy: the un derstanding of the effect of atmospheric turbulence on the structure of stellar images, and of ways to overcome this dramatic degradation. This opened a route to diffraction-limited observations with large telescopes in the optical domain. Soon, the first applications of this new technique led to some outstanding astrophysical results, both at visible and infrared wavelengths. Yet, the potential of interferometric observations is not fully foreseeable as the first long-baseline arrays of large optical telescopes are being built or cOIIllnissioned right now. In this respect a comparison with the evolution of radio-astronomy is tempting. From a situation where, in spite of the construction of giant antennas, low angular resolution was prevailing, the introduction of long baseline and very long baseline interferometry and the rapid mastering of sophisticated image reconstruction techniques, have brought on a nearly routine basis high dynamic range images with milliarcseconds resolution. This, of course, has completely changed our views of the radio sky.
From Photography To 3d Models And Beyond Visualizations In Archaeology
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Author : Donald H. Sanders
language : en
Publisher: Archaeopress Publishing Ltd
Release Date : 2023-12-21
From Photography To 3d Models And Beyond Visualizations In Archaeology written by Donald H. Sanders and has been published by Archaeopress Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-12-21 with Social Science categories.
This book explores the history of visual technology and archaeology and outlines how the introduction of interactive 3D computer modelling to the discipline parallels very closely the earlier integration of photography into archaeological fieldwork.
Analysis Of Images Social Networks And Texts
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Author : Wil M. P. van der Aalst
language : en
Publisher: Springer Nature
Release Date : 2020-02-01
Analysis Of Images Social Networks And Texts written by Wil M. P. van der Aalst and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-02-01 with Computers categories.
This book constitutes the proceedings of the 8th International Conference on Analysis of Images, Social Networks and Texts, AIST 2019, held in Kazan, Russia, in July 2019. The 24 full papers and 10 short papers were carefully reviewed and selected from 134 submissions (of which 21 papers were rejected without being reviewed). The papers are organized in topical sections on general topics of data analysis; natural language processing; social network analysis; analysis of images and video; optimization problems on graphs and network structures; analysis of dynamic behaviour through event data.
High Energy Electron Diffraction And Microscopy
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Author : L.-M. Peng
language : en
Publisher: Oxford University Press, USA
Release Date : 2004
High Energy Electron Diffraction And Microscopy written by L.-M. Peng and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
This book is an in-depth treatment of the theoretical background relevant to an understanding of materials that can be obtained by using high-energy electron diffraction and microscopy.
Diffraction Fourier Optics And Imaging
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Author : Okan K. Ersoy
language : en
Publisher: John Wiley & Sons
Release Date : 2006-12-15
Diffraction Fourier Optics And Imaging written by Okan K. Ersoy and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-12-15 with Technology & Engineering categories.
This book presents current theories of diffraction, imaging, and related topics based on Fourier analysis and synthesis techniques, which are essential for understanding, analyzing, and synthesizing modern imaging, optical communications and networking, as well as micro/nano systems. Applications covered include tomography; magnetic resonance imaging; synthetic aperture radar (SAR) and interferometric SAR; optical communications and networking devices; computer-generated holograms and analog holograms; and wireless systems using EM waves.
Fundamentals Of Light Microscopy And Electronic Imaging
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Author : Douglas B. Murphy
language : en
Publisher: John Wiley & Sons
Release Date : 2002-06-18
Fundamentals Of Light Microscopy And Electronic Imaging written by Douglas B. Murphy and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-06-18 with Science categories.
Over the last decade, advances in science and technology have profoundly changed the face of light microscopy. Research scientists need to learn new skills in order to use a modern research microscope-skills such as how to align microscope optics and perform image processing. Fundamentals of Light Microscopy and Electronic Imaging explores the basics of microscope design and use. The comprehensive material discusses the optical principles involved in diffraction and image formation in the light microscope, the basic modes of light microscopy, the components of modern electronic imaging systems, and the image processing operations necessary to acquire and prepare an image. Written in a practical, accessible style, Fundamentals of Light Microscopy and Electronic Imaging reviews such topics as: * Illuminators, filters, and isolation of specific wavelengths * Phase contrast and differential interference contrast * Properties of polarized light and polarization microscopy * Fluorescence and confocal laser scanning microscopy * Digital CCD microscopy and image processing Each chapter includes practical demonstrations and exercises along with a discussion of the relevant material. In addition, a thorough glossary assists with complex terminology and an appendix contains lists of materials, procedures for specimen preparation, and answers to questions. An essential resource for both, experienced and novice microscopists.
Transmission Electron Microscopy
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Author : C. Barry Carter
language : en
Publisher: Springer
Release Date : 2016-08-24
Transmission Electron Microscopy written by C. Barry Carter and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-24 with Technology & Engineering categories.
This text is a companion volume to Transmission Electron Microscopy: A Textbook for Materials Science by Williams and Carter. The aim is to extend the discussion of certain topics that are either rapidly changing at this time or that would benefit from more detailed discussion than space allowed in the primary text. World-renowned researchers have contributed chapters in their area of expertise, and the editors have carefully prepared these chapters to provide a uniform tone and treatment for this exciting material. The book features an unparalleled collection of color figures showcasing the quality and variety of chemical data that can be obtained from today’s instruments, as well as key pitfalls to avoid. As with the previous TEM text, each chapter contains two sets of questions, one for self assessment and a second more suitable for homework assignments. Throughout the book, the style follows that of Williams & Carter even when the subject matter becomes challenging—the aim is always to make the topic understandable by first-year graduate students and others who are working in the field of Materials Science Topics covered include sources, in-situ experiments, electron diffraction, Digital Micrograph, waves and holography, focal-series reconstruction and direct methods, STEM and tomography, energy-filtered TEM (EFTEM) imaging, and spectrum imaging. The range and depth of material makes this companion volume essential reading for the budding microscopist and a key reference for practicing researchers using these and related techniques.