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Author: Robert William Gainer Hunt
Publisher: Ellis Horwood
ISBN:
Category : Science
Languages : en
Pages : 336
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Book Description
Author: Robert William Gainer Hunt
Publisher: Ellis Horwood
ISBN:
Category : Science
Languages : en
Pages : 336
Get Book Here
Book Description
Author: R. W. G. Hunt
Publisher: John Wiley & Sons
ISBN: 1119975379
Category : Technology & Engineering
Languages : en
Pages : 493
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Book Description
The classic authority on colour measurement now fully revised and updated with the latest CIE recommendations The measurement of colour is of major importance in many commercial applications, such as the textile, paint, and foodstuff industries; as well as having a significant role in the lighting, paper, printing, cosmetic, plastics, glass, chemical, photographic, television, transport, and communication industries. Building upon the success of earlier editions, the 4th edition of Measuring Colour has been updated throughout with new chapters on colour rendering by light sources; colorimetry with digital cameras; factors affecting the appearance of coloured objects, and details of new CIE colour appearance models. Key features: Presents colour measurement, not simply as a matter of instrumentation and engineering, but also involving the physiology and psychology of the human observer. Covers the principles of colour measurement rather than a guide to instruments. Provides the reader with the basic facts needed to measure colour. Describes and explains the interactions between how colour is affected by the type of lighting, by the nature of the objects illuminated, and by the properties of the colour vision of observers. Includes many worked examples, and a series of Appendices provides the numerical data needed in many colorimetric calculations. The addition of 4th edition co-author, Dr. Pointer, has facilitated the inclusion of extensive practical advice on measurement procedures and the latest CIE recommendations.
Author: Asim Kumar Roy Choudhury
Publisher: Elsevier
ISBN: 0857099248
Category : Technology & Engineering
Languages : en
Pages : 425
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Book Description
Colour and appearance perceptions are very complex psychological phenomena. Written by one of the foremost authorities in the field, Principles of Colour and Appearance Measurement is a major two-volume work addressing the key topics required to understand the issues and manage colour effectively. The book addresses how objects appear to viewers, how viewers perceive colour, and the major types of instrumentation used to measure colour. Chapters detail the characteristics of light sources and object colour and appearance attributes. They encompass the complexities of human visual perception, including the various causes and types of colour blindness, and other unusual visual phenomena. The book also covers colour measurement instruments and methods, as well as fluorescence and whiteness. Principles of Colour Appearance and Measurement is a comprehensive resource for designers, colour technologists, colour quality inspectors, product developers, and anyone who uses colour in their work. - Addresses the key topics required to understand the issues of colour measure and management - Examines how viewers perceive colour and how objects appear to them - Reviews the major types of instrumentation used to measure colour
Author: M. L. Gulrajani
Publisher: Elsevier
ISBN: 0857090194
Category : Technology & Engineering
Languages : en
Pages : 433
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Book Description
The measurement of colour is important in many commercial operations and professions, such as bleaching and colouration of textiles, applications of paints, dentistry and colouration of food products. This book will discuss colour measurement theories, the latest technological and scientific developments of measuring colour and the applications of colour measurement.Part one reviews the underlying theories, principles and methods of how to measure colour. It includes topics such as expressing colours numerically, camera based colour measurement, colour shade sorting and determining and improving the accuracy of colour measurement. Part two presents a selection of industrial applications illustrating the use of colour measurement in textiles, paint, teeth, hair and food.With its international range of contributors, Colour measurement: Principles, advances and industrial applications is beneficial to a variety of readers such as colour technologists, colour quality inspectors, product developers, dentists, cosmetologists and anyone who uses colour in their work. It will also be a valuable reference for academics and students studying design, fashion or colour related subjects. - Discusses colour measurement theories and the latest technological and scientific developments of measuring colour - Case studies illustrate camera based colour measurement and review visual and instrumental evaluation of whiteness and yellowness applications in industries including cosmetics and dentistry - Motivations for colour measurement are explored to answer questions raised as to why colours do not match and explain factors such as wet and dry fabric differences
Author: Sean F. Johnston
Publisher: CRC Press
ISBN: 1420034774
Category : Science
Languages : en
Pages : 285
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Book Description
2003 Paul Bunge Prize of the Hans R. Jenemann Foundation for the History of Scientific Instruments Judging the brightness and color of light has long been contentious. Alternately described as impossible and routine, it was beset by problems both technical and social. How trustworthy could such measurements be? Was the best standard of inten
Author: Asim Kumar Roy Choudhury
Publisher: Woodhead Publishing
ISBN: 1782423885
Category : Technology & Engineering
Languages : en
Pages : 375
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Book Description
Colour and appearance perceptions are very complex psychological phenomena. Written by one of the foremost authorities in the field, this major two-volume work addresses the key topics required to understand the issues and manage colour effectively. Principles of colour appearance and measurement Volume 2 addresses the visual measurement of colour, methods of comparing colours, and the management of colour in industry. Volume 2 begins with an overview of the visual measurement of colour. Chapter 1 discusses means of colour communication and various visual attributes of colour. Chapter 2 then focuses on several popular colour order systems, and chapter 3 discusses various colour difference formulae and their use in colour comparison and control. Subsequent chapters review instrumental colorant formulation, metamerism, chromatic adaptation and colour constancy, methods of shade sorting and digital colour reproduction. - Addresses the means of colour communication and the various attributes of colour - Examines colour order systems and the methods of colour comparison - Reviews the management of colour in industry
Author: Alan Parkin
Publisher: Springer
ISBN: 3319740768
Category : Technology & Engineering
Languages : en
Pages : 147
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Book Description
This book proposes a new approach to colour in digital images, based on the standard sRGB colour space and Python scripting. It covers creating, storing, processing, displaying, printing, and viewing colour images. The fundamental ideas presented include systematic reduction of colour resolution to manageable sRGB sub-spaces, analysis of any image as a tabular colour scheme, general transformation and specific substitution of colours, and revival of the traditional notion of a neutral balance by adjusting all colours or by adjoining a colour frame. The text includes Python scripts for the processes discussed, downloadable in the e-book. It is of interest to artists, designers, and anyone who works with sRGB colour images.
Author: Eva Lübbe
Publisher: BoD – Books on Demand
ISBN: 383913692X
Category : Science
Languages : en
Pages : 90
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Book Description
Farbe ist Empfindung, der Farbeindruck entsteht im Kopf. Dieser Eindruck, den unser Auge zusammen mit dem Gehirn erzeugt, ist so perfekt, dass viele gleuben, Farbe sei eine Eigenschaft von Oberflächen. Das Buch klärt diesen Irrtum auf. Der Mensch versucht schon seit Jahrhunderten die Farbwahrnehmungen in Farbsystemen zu ordnen. Das Buch Buch gibt einen Überblick über diese Farbsysteme und stellt ein neues System vor, das auf der Farbsättigung beruht. Für die Farbsättigung hat die Autorin eine grundlegende Formel gefunden.
Author: Michael S. Tooms
Publisher: John Wiley & Sons
ISBN: 1119021766
Category : Technology & Engineering
Languages : en
Pages : 740
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Book Description
With the move of cinema away from film, the adoption of electronic-based production throughout all media is now complete. In order to exploit its advantages, the accurate definition, measurement and reproduction of colour has become more important than ever to achieve the best fidelity of colour reproduction. This book is concerned with providing readers with all they need to know about colour: how it is perceived and described, how it is measured and generated and how it is reproduced in colour systems. It serves as both a tutorial and a reference book, defining what we mean by colour and providing an explanation of the proper derivation of chromaticity charts and through to the means of ensuring accurate colour management. Key Features: Addresses important theory and common misconceptions in colour science and reproduction, from the perception and characteristics of colour to the practicalities of its rendering in the fields of television, photography and cinematography Offers a clear treatment of the CIE chromaticity charts and their related calculations, supporting discussion on system primaries, their colour gamuts and the derivation of their contingent red, green and blue camera spectral sensitivities Reviews the next state-of-the-art developments in colour reproduction beyond current solutions, from Ultra-High Definition Television for the 2020s to laser projectors with unprecedented colour range for the digital cinema Includes a companion website hosting a workbook consisting of invaluable macro-enabled data worksheets; JPEG files containing images referred to in the book, including colour bars and grey scale charts to establish perceived contrast range under different environmental conditions; and, guides to both the workbook and JPEG files
Author: Alexander D. Logvinenko
Publisher: John Wiley & Sons
ISBN: 1119885949
Category : Science
Languages : en
Pages : 564
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Book Description
Presents the science of colour from new perspectives and outlines results obtained from the authors’ work in the mathematical theory of colour This innovative volume summarizes existing knowledge in the field, attempting to present as much data as possible about colour, accumulated in various branches of science (physics, phychophysics, colorimetry, physiology) from a unified theoretical position. Written by a colour specialist and a professional mathematician, the book offers a new theoretical framework based on functional analysis and convex analysis. Employing these branches of mathematics, instead of more conventional linear algebra, allows them to provide the knowledge required for developing techniques to measure colour appearance to the standards adopted in colorimetric measurements. The authors describe the mathematics in a language that is understandable for colour specialists and include a detailed overview of all chapters to help readers not familiar with colour science. Divided into two parts, the book first covers various key aspects of light colour, such as colour stimulus space, colour mechanisms, colour detection and discrimination, light-colour perception typology, and light metamerism. The second part focuses on object colour, featuring detailed coverage of object-colour perception in single- and multiple-illuminant scenes, object-colour solid, colour constancy, metamer mismatching, object-colour indeterminacy and more. Throughout the book, the authors combine differential geometry and topology with the scientific principles on which colour measurement and specification are currently based and applied in industrial applications. Presents a unique compilation of the author’s substantial contributions to colour science Offers a new approach to colour perception and measurement, developing the theoretical framework used in colorimetry Bridges the gap between colour engineering and a coherent mathematical theory of colour Outlines mathematical foundations applicable to the colour vision of humans and animals as well as technologies equipped with artificial photosensors Contains algorithms for solving various problems in colour science, such as the mathematical problem of describing metameric lights Formulates all results to be accessible to non-mathematicians and colour specialists Foundations of Colour Science: From Colorimetry to Perception is an invaluable resource for academics, researchers, industry professionals and undergraduate and graduate students with interest in a mathematical approach to the science of colour.
