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Color Constancy

Color Constancy
Author: Marc Ebner
Publisher: John Wiley & Sons
Total Pages: 408
Release: 2007-04-30
Genre: Science
ISBN: 9780470510483

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A human observer is able to recognize the color of objects irrespective of the light used to illuminate them. This is called color constancy. A digital camera uses a sensor to measure the reflected light, meaning that the measured color at each pixel varies according to the color of the illuminant. Therefore, the resulting colors may not be the same as the colors that were perceived by the observer. Obtaining color constant descriptors from image pixels is not only important for digital photography, but also valuable for computer vision, color-based automatic object recognition, and color image processing in general. This book provides a comprehensive introduction to the field of color constancy, describing all the major color constancy algorithms, as well as presenting cutting edge research in the area of color image processing. Beginning with an in-depth look at the human visual system, Ebner goes on to: examine the theory of color image formation, color reproduction and different color spaces; discuss algorithms for color constancy under both uniform and non-uniform illuminants; describe methods for shadow removal and shadow attenuation in digital images; evaluate the various algorithms for object recognition and color constancy and compare this to data obtained from experimental psychology; set out the different algorithms as pseudo code in an appendix at the end of the book. Color Constancy is an ideal reference for practising engineers, computer scientists and researchers working in the area of digital color image processing. It may also be useful for biologists or scientists in general who are interested in computational theories of the visual brain and bio-inspired engineering systems.


Color Constancy

Color Constancy
Author: Marc Ebner
Publisher: John Wiley & Sons
Total Pages: 407
Release: 2007-06-05
Genre: Science
ISBN: 0470058293

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A human observer is able to recognize the color of objects irrespective of the light used to illuminate them. This is called color constancy. A digital camera uses a sensor to measure the reflected light, meaning that the measured color at each pixel varies according to the color of the illuminant. Therefore, the resulting colors may not be the same as the colors that were perceived by the observer. Obtaining color constant descriptors from image pixels is not only important for digital photography, but also valuable for computer vision, color-based automatic object recognition, and color image processing in general. This book provides a comprehensive introduction to the field of color constancy, describing all the major color constancy algorithms, as well as presenting cutting edge research in the area of color image processing. Beginning with an in-depth look at the human visual system, Ebner goes on to: examine the theory of color image formation, color reproduction and different color spaces; discuss algorithms for color constancy under both uniform and non-uniform illuminants; describe methods for shadow removal and shadow attenuation in digital images; evaluate the various algorithms for object recognition and color constancy and compare this to data obtained from experimental psychology; set out the different algorithms as pseudo code in an appendix at the end of the book. Color Constancy is an ideal reference for practising engineers, computer scientists and researchers working in the area of digital color image processing. It may also be useful for biologists or scientists in general who are interested in computational theories of the visual brain and bio-inspired engineering systems.


Encyclopedia of Color Science and Technology

Encyclopedia of Color Science and Technology
Author: Renzo Shamey
Publisher: Springer Nature
Total Pages: 1634
Release: 2023-09-29
Genre: Science
ISBN: 3030898628

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This fully revised and expanded 2nd edition provides a single authoritative resource describing the concepts of color and the application of color science across research and industry. Significant changes for the 2nd edition include: New and expanded sections on color engineering More entries on fundamental concepts of color science and color terms Many additional entries on specific materials Further material on optical concepts and human visual perception Additional articles on organisations, tools and systems relevant to color A new set of entries on 3D presentation of color In addition, many of the existing entries have been revised and updated to ensure that the content of the encyclopedia is current and represents the state of the art. The work covers the full gamut of color: the fundamentals of color science; the physics and chemistry; color as it relates to optical phenomena and the human visual system; and colorants and materials. The measurement of color is described through entries on colorimetry, color spaces, color difference metrics, color appearance models, color order systems and cognitive color. The encyclopedia also has extensive coverage of applications throughout industry, including color imaging, color capture, display and printing, and descriptions of color encodings, color management, processing color and applications relating to color synthesis for computer graphics are included. The broad scope of the work is illustrated through entries on color in art conservation, color and architecture, color and education, color and culture, and biographies of some of the key figures involved in color research throughout history. With over 250 entries from color science researchers across academia and industry, this expanded 2nd edition of the Encyclopedia of Color Science and Technology remains the most important single resource in color science.


Perceptual Constancy

Perceptual Constancy
Author: Vincent Walsh
Publisher: Cambridge University Press
Total Pages: 568
Release: 1998-08-13
Genre: Psychology
ISBN: 9780521460613

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The world is not always truly reflected in what we see. The brain creates images, fills in gaps and even at times constructs fictions. This book brings together experts from several diverse fields to present state of the art accounts of how the visual world enters two small holes in our heads and is reconstructed to give us the rich impressions of color, movement, and shape.


Color

Color
Author: Betty Edwards
Publisher: Penguin
Total Pages: 226
Release: 2004-09-23
Genre: Art
ISBN: 1585422193

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Millions of people have learned to draw using the methods of Dr. Betty Edwards's bestseller The New Drawing on the Right Side of the Brain. Now, much as artists progress from drawing to painting, Edwards moves from black-and-white into color. This much-awaited new guide distills the enormous existing knowledge about color theory into a practical method of working with color to produce harmonious combinations. Using techniques tested and honed in her five-day intensive color workshops, Edwards provides a basic understanding of how to see color, how to use it, and-for those involved in art, painting, or design-how to mix and combine hues. Including more than 125 color images and exercises that move from simple to challenging, this volume explains how to: see what is really there rather than what you "know" in your mind about colored objects perceive how light affects color, and how colors affect one another manipulate hue, value, and intensity of color and transform colors into their opposites balance color in still-life, landscape, figure, and portrait painting understand the psychology of color harmonize color in your surroundings While we recognize and treasure the beautiful use of color, reproducing what we see can be a challenge. Accessibly unweaving color's complexity, this must-have primer is destined to be an instant classic.


Image Analysis and Processing -- ICIAP 2009

Image Analysis and Processing -- ICIAP 2009
Author: Pasquale Foggia
Publisher: Springer
Total Pages: 1075
Release: 2009-08-29
Genre: Computers
ISBN: 3642041469

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This book constitutes the refereed proceedings of the 15th International Conference on Image Analysis and Processing, ICIAP 2009, held in Vietri sul Mare, Italy, in September 2009. The 107 revised full papers presented together with 3 invited papers were carefully reviewed and selected from 168 submissions. The papers are organized in topical sections on computer graphics and image processing, low and middle level processing, 2D and 3D segmentation, feature extraction and image analysis, object detection and recognition, video analysis and processing, pattern analysis and classification, learning, graphs and trees, applications, shape analysis, face analysis, medical imaging, and image analysis and pattern recognition.


ITJEMAST 10(5) 2019

ITJEMAST 10(5) 2019
Author:
Publisher: International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies
Total Pages:
Release:
Genre: Technology & Engineering
ISBN:

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International Transaction Journal of Engineering, Management, & Applied Sciences & Technologies publishes a wide spectrum of research and technical articles as well as reviews, experiments, experiences, modelings, simulations, designs, and innovations from engineering, sciences, life sciences, and related disciplines as well as interdisciplinary/cross-disciplinary/multidisciplinary subjects. Original work is required. Article submitted must not be under consideration of other publishers for publications.


Computational Collective Intelligence. Technologies and Applications

Computational Collective Intelligence. Technologies and Applications
Author: Jeng-Shyang Pan
Publisher: Springer
Total Pages: 487
Release: 2010-11-06
Genre: Computers
ISBN: 3642166962

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This volume composes the proceedings of the Second International Conference on Computational Collective Intelligence––Technologies and Applications (ICCCI 2010), which was hosted by National Kaohsiung University of Applied Sciences and Wroclaw University of Technology, and was held in Kaohsiung City on November 10-12, 2010. ICCCI 2010 was technically co-sponsored by Shenzhen Graduate School of Harbin Institute of Technology, the Tainan Chapter of the IEEE Signal Processing Society, the Taiwan Association for Web Intelligence Consortium and the Taiwanese Association for Consumer Electronics. It aimed to bring together researchers, engineers and po- cymakers to discuss the related techniques, to exchange research ideas, and to make friends. ICCCI 2010 focused on the following themes: • Agent Theory and Application • Cognitive Modeling of Agent Systems • Computational Collective Intelligence • Computer Vision • Computational Intelligence • Hybrid Systems • Intelligent Image Processing • Information Hiding • Machine Learning • Social Networks • Web Intelligence and Interaction Around 500 papers were submitted to ICCCI 2010 and each paper was reviewed by at least two referees. The referees were from universities and industrial organizations. 155 papers were accepted for the final technical program. Four plenary talks were kindly offered by: Gary G. Yen (Oklahoma State University, USA), on “Population Control in Evolutionary Multi-objective Optimization Algorithm,” Chin-Chen Chang (Feng Chia University, Taiwan), on “Applying De-clustering Concept to Information Hiding,” Qinyu Zhang (Harbin Institute of Technology, China), on “Cognitive Radio Networks and Its Applications,” and Lakhmi C.


Color

Color
Author: Rolf G. Kuehni
Publisher: John Wiley & Sons
Total Pages: 296
Release: 2012-09-19
Genre: Technology & Engineering
ISBN: 1118533542

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The one-stop reference to the essentials of color science andtechnology—now fully updated and revised The fully updated Third Edition of Color: An Introduction toPractice and Principles continues to provide a trulycomprehensive, non-mathematical introduction to color science,complete with historical, philosophical, and art-relatedtopics. Geared to non-specialists and experts alike, Colorclearly explains key technical concepts concerning light, humanvision, and color perception phenomena. It covers color ordersystems in depth, examines color reproduction technologies, andreviews the history of color science as well as its relationship toart and color harmony. Revised throughout to reflect the latestdevelopments in the field, the Third Edition: Features many new color illustrations, now fully incorporatedinto the text Offers new perspectives on what color is all about, divergingfrom conventional thinking Includes new information on perception phenomena, color order,and technological advances Updates material on such topics as the CIE colorimetric systemand optimal object colors Extends coverage of color reproduction to display systems,photography, and color management Contains a unique timetable of color in science and art, plus aglossary of important terms Praise for the previous editions: "A nice bridge to areas usually not covered in academic visualscience programs . . . outstanding." —Joel Pokorny, visual scientist at The University ofChicago "A good addition to any library, this should be useful for thecolor interests of artists, designers, craftsmen, philosophers,psychologists, color technologies, and students in relatedfields." —CHOICE


Artificial Intelligence and Security

Artificial Intelligence and Security
Author: Xingming Sun
Publisher: Springer Nature
Total Pages: 701
Release: 2022-07-04
Genre: Computers
ISBN: 3031067886

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This three-volume set LNCS 13338-13340 constitutes the thoroughly refereed proceedings of the 8th International Conference on Artificial Intelligence and Security, ICAIS 2022, which was held in Qinghai, China, in July 2022. The total of 166 papers included in the 3 volumes were carefully reviewed and selected from 1124 submissions. The papers present research, development, and applications in the fields of artificial intelligence and information security