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Book
Optical models for material appearance
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ISBN: 2759826481 Year: 2022 Publisher: Les Ulis : EDP Sciences,

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Abstract

Material appearance has emerged as a scientific topic in its own right rather recently and an increasing number of professionals concerned by this topic, belonging to various application areas, are entering this vast field. Thanks to the rise of imaging systems and visual rendering software, and the rapid development of accessible devices for color and gloss analysis, non-expert people can now check, for example, the compliance of a product with an appearance standard, or create a realistic virtual prototype. Most of these tools are based on optical concepts which are generally not in the forefront at an elementary level usage, but which are necessary for a consistent analysis of the specific cases studied. The objective of this book is precisely to introduce the fundamental notions of optics allowing the readers to understand the radiometric quantities measured with common devices, to learn how to analyze them, and to review some classical optics-based predictive models for various types of materials and structures. We have chosen to illustrate the theoretical notions with numerous examples and corrected exercises, easily transposable to a variety of materials: glass plates, polymer films, pigment layers, metals, papers and printed surfaces, coatings, etc. The book targets an audience of students, engineers and researchers who have a scientific background but not necessarily versed in optics, who are seeking sound bases in order to characterize the appearance of products and better comprehend the more advanced research currently being conducted in this area.

Keywords

Optical images.


Book
Toward an Anthropology of Screens : Showing and Hiding, Exposing and Protecting
Authors: ---
ISBN: 3031308166 3031308158 Year: 2023 Publisher: Cham, Switzerland : Macmillan Palgrave,

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This book shows that screens don’t just distribute the visible and the invisible, but have always mediated our body's relationships with the physical and anthropological-cultural environment. By combining a series of historical-genealogical reconstructions going back to prehistoric times with the analysis of present and near-future technologies, the authors show that screens have always incorporated not only the hiding/showing functions but also the protecting/exposing ones, as the Covid-19 pandemic retaught us. The intertwining of these functions allows the authors to criticize the mainstream ideas of images as inseparable from screens, of words as opposed to images, and of what they call “Transparency 2.0” ideology, which currently dominates our socio-political life. Moreover, they show how wearable technologies don’t approximate us to a presumed disappearance of screens but seem to draw a circular pathway back to using our bodies as screens. This raises new relational, ethical, and political questions, which this book helps to illuminate.


Periodical
Optical nanoscopy.
Year: 2012 Publisher: Berlin, Germany : Springer

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Book
Photography : theoretical snapshots.
Authors: --- ---
ISBN: 1135253633 1282125095 9786612125096 0203869036 9780203869031 9780415477062 0415477069 9780415477079 0415477077 6612125098 9781135253585 9781135253622 9781135253639 1135253625 1135253587 Year: 2009 Publisher: London Routledge

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Over the past 25 years, photography has moved to centre-stage in the study of visual culture and has established itself in numerous disciplines. This trend has brought with it a diversification in approaches to the study of the photographic image. "Photography: theoretical snapshots" offers nine exciting perspectives on photography theory today from some of the world's leading critics and theorists. It introduces new means of looking at photographs, with topics including: a community-based understanding of Spencer Tunick's controversial installations, the tactile and auditory dimensions of photographic viewing, snapshot photography, and the use of photography in human rights discourse. "Photography: theoretical snapshots" also addresses the question of photography history, revisiting the work of some of the most influential theorists such as Roland Barthes, Walter Benjamin, and the October group, re-evaluating the neglected genre of the carte-de-visite photograph, and addressing photography's wider role within the ideologies of modernity. The collection opens with an introduction by the editors, analysing the trajectory of photography studies and theory over the past three decades and the ways in which the discipline has been constituted. Ranging from the most personal to the most dehumanized uses of photography, from the nineteenth century to the present day, from Latin America to Northern Europe.


Book
Zeigen und/oder Beweisen? : die Fotografie als Kulturtechnik und Medium des Wissens
Authors: ---
ISBN: 3110485842 3110487640 9783110487640 3110485834 Year: 2016 Publisher: Berlin, [Germany] : De Gruyter,

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Die Frage, ob die Fotografie zu zeigen und/oder zu beweisen vermag, geht auf Carlo Ginzburg zurück. Im Nachhall seiner Auseinandersetzung mit dem Indizienparadigma als konstitutiver Methode der Kulturwissenschaften führte dieser 1982 aus, dass die Untersuchung der Verbindung von wissenschaftlichen und gerichtlichen Beweisen von Interesse ist - gerade in Hinblick auf die in den Wissenschaften gültigen "Gesetze des ,Aufweisens'" und die juristischen "Gesetze des ,Beweises'". Ausgangspunkt des vorliegenden Bandes ist zu untersuchen, inwieweit diese heuristische Frage auch auf die Kulturtechnik Fotografie bezogen werden kann. Fotografische Bilder dienen als Dokumente, Argumente oder Belege. Dies ist nur möglich, weil Fotografien das, was sich vor dem Objektiv der Kamera befunden hat, abbilden und damit sichtbar machen, also zeigen. Durch dieses bildliche "Aufweisen" kann das Abgebildete jedoch nicht nur als Bezeichnung (Designation), sondern auch als Beweis der dargestellten Dinge (miss)verstanden werden. Die vorliegenden Aufsätze beschäftigen sich methodisch mit den Modellierungen des Indizienparadigmas im Kontext fotohistoriografischer Auseinandersetzungen. Dies nicht zuletzt, um durch Re-Lektüren und in einer kritischen Auseinandersetzung mit den Bestätigungen, Normierungen und Identifizierungen vermittels fotografischer Bilder und unter Berücksichtigung der in den letzten Jahrzehnten angestellten Reflexionen die Fotografie - als das Medium des Indizienparadigmas schlechthin - einer Diskussion und Neubewertung zu unterziehen.


Book
Images and Human Rights : Local and Global Perspectives.
Authors: ---
ISBN: 144386269X 9781443862691 9781443899888 1443899887 Year: 2016 Publisher: Newcastle-upon-Tyne : Cambridge Scholars Publishing,

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This book explores issues of creation, distribution, and control of images through official and unofficial sources, asking what impact that has had on human rights and what the ethical implications are. The volume includes research from healthcare advocates, human rights scholars and activists, photographers, and visual anthropologists who see a need for more careful contextual interpretation of images in global and local settings. It represents diverse forms of scholarship and the ever-changing field of research methodologies, and it examines how human rights issues take advantage of visual methodologies and how the visual works to communicate these issues with the public. As such, this collection will be useful for researchers studying in the fields of visual culture and human rights.


Book
Image operations : visual media and political conflict
Authors: ---
ISBN: 1526120984 152610864X 9781526108647 9781526107213 152610721X 9781526120984 9781526113979 152611397X 9781526108654 1526108658 Year: 2017 Publisher: Manchester Manchester University Press

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Still and moving images are crucial factors in contemporary political conflicts. They not only have representational, expressive or illustrative functions, but also augment and create significant events. Beyond altering states of mind, they affect bodies and often life or death is at stake. Various forms of image operations are currently performed in the contexts of war, insurgency and activism. Photographs, videos, interactive simulations and other kinds of images steer drones to their targets, train soldiers, terrorise the public, celebrate protest icons, uncover injustices, or call for help. They are often parts of complex agential networks and move across different media and cultural environments. This book is a pioneering interdisciplinary study of the role and function of images in political life. Balancing theoretical reflections with in-depth case studies, it brings together renowned scholars and activists from different fields to offer a multifaceted critical perspective on a crucial aspect of contemporary visual culture -- Back cover.


Book
Super-resolved imaging : geometrical and diffraction approaches
Author:
ISBN: 1461408326 9786613353443 128335344X 1461408334 Year: 2011 Publisher: New York : Springer,

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In this brief we review several approaches that provide super resolved imaging, overcoming the geometrical limitation of the detector as well as the diffraction effects set by the F number of the imaging lens. In order to obtain the super resolved enhancement, we use spatially non-uniform and/or random transmission structures to encode the image or the aperture planes. The desired resolution enhanced images are obtained by post-processing decoding of the captured data.

Keywords

High resolution imaging. --- Optical data processing --- Optical images --- Engineering & Applied Sciences --- Physics --- Physical Sciences & Mathematics --- Applied Physics --- Light & Optics --- Mathematical models --- Data processing --- Physics. --- Computer vision. --- Machine vision --- Vision, Computer --- Natural philosophy --- Philosophy, Natural --- Computer graphics. --- Optics, Lasers, Photonics, Optical Devices. --- Signal, Image and Speech Processing. --- Computer Imaging, Vision, Pattern Recognition and Graphics. --- Physical sciences --- Dynamics --- Artificial intelligence --- Image processing --- Pattern recognition systems --- Lasers. --- Photonics. --- Signal processing. --- Image processing. --- Speech processing systems. --- Optical data processing. --- Optical computing --- Visual data processing --- Bionics --- Electronic data processing --- Integrated optics --- Photonics --- Computers --- Computational linguistics --- Electronic systems --- Information theory --- Modulation theory --- Oral communication --- Speech --- Telecommunication --- Singing voice synthesizers --- Pictorial data processing --- Picture processing --- Processing, Image --- Imaging systems --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- New optics --- Optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Optical equipment

Scenes in a library : reading the photograph in the book, 1843-1875.
Author:
ISBN: 026229169X 0262267322 0585278571 9780585278575 0262011697 9780262291699 9780262267328 9780262011693 Year: 1998 Publisher: Cambridge (Mass.) MIT press

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At the end of the 20th century we are accustomed to seeing photographs wedded to text - whether in the family album of daily newspaper - where the verbal framing of the photograph has become invisible. This text is internalized within the image, and the meaning of the photograph itself. It explores the experimental moment, at the inception of the new medium, when the word came to haunt photographic image, and the forty or so years during which the photographic image alternately resisted and became assimilited to the printed page. The author's emphasis is on British books. Not only was it in an English book that the paper photograph was first described and published, but the range of subject matter of 19th-century British photographically illustrated books prior to the 1880s was as rich as it was peculiar and sometimes recalcitrant. Carol Armstrong focuses on one book about photography (Talbot's "The Pencil of Nature"); one "scientific" book (Anna Atkins' "Photographs of British Algae"); two travel narrative, one factual and one fictional (Francis Firth's "Egypt and Palestine Photographed and Observed", and his illustrated edition of Longfellow's novel "Hyperion: A Romance"); and one book of poetry (Julia Margaret Cameron's "Illustrations to Alfred Lord Tennyson's Idylls of the King); as well as some miscellaneous books from the 1870s. According to Armstrong, art history has tended to remove the historic photograph from its printed and published context. Moving back and forth between close looking and equally close reading, she aims to reinsert the photograph into the book from which it was taken.

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