Modern Digital Halftoning

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Modern Digital Halftoning

Author : Daniel L. Lau
Publisher : CRC Press
ISBN 13 : 142004754X
Total Pages : 686 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Modern Digital Halftoning by : Daniel L. Lau

Download or read book Modern Digital Halftoning written by Daniel L. Lau and published by CRC Press. This book was released on 2018-10-03 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt: The late 1980s, revolutionary advances in digital halftoning enabled inkjet printers to achieve much higher image fidelity. The rapid rate of progress has resulted in numerous breakthroughs scattered throughout the literature, rendering old technologies obsolete and renewing the need for a centralized source on the current state of the art. Entirely revised and updated, Modern Digital Halftoning, Second Edition provides an integrated and up-to-date treatment of stochastic halftoning and digital printing. Using full-color illustrations to enhance the text, this edition incorporates new topics as well as updated models, algorithms, and methods used to construct and improve the quality of green-noise, blue-noise, and multitone images. Following a review of various halftoning techniques, this edition now covers amplitude modulated dither arrays, adapting to human visual models, direct binary search, and handling stochastic moiré problems. It also presents a new chapter on lenticular printing, a means for printing color holographic images. An accompanying CD-ROM contains MATLAB® software files and illustrated examples employing algorithms, statistics, and other key concepts from the book. Documenting the development of digital printing since the first edition, Modern Digital Halftoning, Second Edition offers a well-rounded and accurate perspective on the technological capabilities of digital printing and provides all the necessary tools for continuing research in the field.

Modern Digital Halftoning

Author : Daniel L. Lau
Publisher : CRC Press
ISBN 13 : 1351835688
Total Pages : 626 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Modern Digital Halftoning by : Daniel L. Lau

Download or read book Modern Digital Halftoning written by Daniel L. Lau and published by CRC Press. This book was released on 2018-10-03 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: The late 1980s, revolutionary advances in digital halftoning enabled inkjet printers to achieve much higher image fidelity. The rapid rate of progress has resulted in numerous breakthroughs scattered throughout the literature, rendering old technologies obsolete and renewing the need for a centralized source on the current state of the art. Entirely revised and updated, Modern Digital Halftoning, Second Edition provides an integrated and up-to-date treatment of stochastic halftoning and digital printing. Using full-color illustrations to enhance the text, this edition incorporates new topics as well as updated models, algorithms, and methods used to construct and improve the quality of green-noise, blue-noise, and multitone images. Following a review of various halftoning techniques, this edition now covers amplitude modulated dither arrays, adapting to human visual models, direct binary search, and handling stochastic moiré problems. It also presents a new chapter on lenticular printing, a means for printing color holographic images. An accompanying CD-ROM contains MATLAB® software files and illustrated examples employing algorithms, statistics, and other key concepts from the book. Documenting the development of digital printing since the first edition, Modern Digital Halftoning, Second Edition offers a well-rounded and accurate perspective on the technological capabilities of digital printing and provides all the necessary tools for continuing research in the field.

Modern Digital Halftoning, Second Edition

Author : Daniel L. Lau
Publisher : CRC Press
ISBN 13 : 9780824704568
Total Pages : 474 pages
Book Rating : 4.7/5 (45 download)

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Book Synopsis Modern Digital Halftoning, Second Edition by : Daniel L. Lau

Download or read book Modern Digital Halftoning, Second Edition written by Daniel L. Lau and published by CRC Press. This book was released on 2001-02-21 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive treatment of various approaches to monochrome and digital halftoning. It describes ideal spatial and spectral characteristics of green- and blue-noise halftoning that provide patterns of visual appeal and computational complexity in a wide range of printing technologies. The book comes with a CD-ROM of algorithms and statistics with colour examples.

Modern Digital Halftoning

Author : Daniel Leo Lau
Publisher :
ISBN 13 :
Total Pages : 478 pages
Book Rating : 4.:/5 (423 download)

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Book Synopsis Modern Digital Halftoning by : Daniel Leo Lau

Download or read book Modern Digital Halftoning written by Daniel Leo Lau and published by . This book was released on 1999 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Digital Halftoning

Author : Robert Ulichney
Publisher : MIT Press
ISBN 13 : 9780262210096
Total Pages : 396 pages
Book Rating : 4.2/5 (1 download)

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Book Synopsis Digital Halftoning by : Robert Ulichney

Download or read book Digital Halftoning written by Robert Ulichney and published by MIT Press. This book was released on 1987 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Physical reconstruction function. Tools for fourier analysis. Dithering with white noise. Clustered-dot ordered dither. Dispersed-dot ordered dither. Ordered dither on asymmetric grids. Dithering with blue noise. Concluding remarks. Glossary of principal symbols. References. Index.

Handbook of Digital Imaging

Author : Michael Kriss
Publisher : John Wiley & Sons
ISBN 13 : 0470510595
Total Pages : 1936 pages
Book Rating : 4.4/5 (75 download)

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Book Synopsis Handbook of Digital Imaging by : Michael Kriss

Download or read book Handbook of Digital Imaging written by Michael Kriss and published by John Wiley & Sons. This book was released on 2015-02-16 with total page 1936 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive and practical analysis and overview of the imaging chain through acquisition, processing and display The Handbook of Digital Imaging provides a coherent overview of the imaging science amalgam, focusing on the capture, storage and display of images. The volumes are arranged thematically to provide a seamless analysis of the imaging chain from source (image acquisition) to destination (image print/display). The coverage is planned to have a very practical orientation to provide a comprehensive source of information for practicing engineers designing and developing modern digital imaging systems. The content will be drawn from all aspects of digital imaging including optics, sensors, quality, control, colour encoding and decoding, compression, projection and display. Contains approximately 50 highly illustrated articles printed in full colour throughout Over 50 Contributors from Europe, US and Asia from academia and industry The 3 volumes are organized thematically for enhanced usability: Volume 1: Image Capture and Storage; Volume 2: Image Display and Reproduction, Hardcopy Technology, Halftoning and Physical Evaluation, Models for Halftone Reproduction; Volume 3: Imaging System Applications, Media Imaging, Remote Imaging, Medical and Forensic Imaging 3 Volumes www.handbookofdigitalimaging.com

Digital Watermarking

Author : Yun Qing Shi
Publisher : Springer
ISBN 13 : 3540488278
Total Pages : 485 pages
Book Rating : 4.5/5 (44 download)

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Book Synopsis Digital Watermarking by : Yun Qing Shi

Download or read book Digital Watermarking written by Yun Qing Shi and published by Springer. This book was released on 2006-11-02 with total page 485 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 5th International Workshop on Digital Watermarking Secure Data Management, IWDW 2006, held in Jeju Island, Korea in November 2006. The 34 revised full papers presented together with 3 invited lectures cover both theoretical and practical issues in digital watermarking.

Academic Press Library in Signal Processing

Author :
Publisher : Academic Press
ISBN 13 : 0123972256
Total Pages : 1131 pages
Book Rating : 4.1/5 (239 download)

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Book Synopsis Academic Press Library in Signal Processing by :

Download or read book Academic Press Library in Signal Processing written by and published by Academic Press. This book was released on 2013-09-14 with total page 1131 pages. Available in PDF, EPUB and Kindle. Book excerpt: This fourth volume, edited and authored by world leading experts, gives a review of the principles, methods and techniques of important and emerging research topics and technologies in Image, Video Processing and Analysis, Hardware, Audio, Acoustic and Speech Processing. With this reference source you will: - Quickly grasp a new area of research - Understand the underlying principles of a topic and its application - Ascertain how a topic relates to other areas and learn of the research issues yet to be resolved - Quick tutorial reviews of important and emerging topics of research in Image, Video Processing and Analysis, Hardware, Audio, Acoustic and Speech Processing - Presents core principles and shows their application - Reference content on core principles, technologies, algorithms and applications - Comprehensive references to journal articles and other literature on which to build further, more specific and detailed knowledge - Edited by leading people in the field who, through their reputation, have been able to commission experts to write on a particular topic

Improving image quality in multi-channel printing - multilevel halftoning, color separation and graininess characterization

Author : Paula Žitinski Elías
Publisher : Linköping University Electronic Press
ISBN 13 : 9176855589
Total Pages : 189 pages
Book Rating : 4.1/5 (768 download)

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Book Synopsis Improving image quality in multi-channel printing - multilevel halftoning, color separation and graininess characterization by : Paula Žitinski Elías

Download or read book Improving image quality in multi-channel printing - multilevel halftoning, color separation and graininess characterization written by Paula Žitinski Elías and published by Linköping University Electronic Press. This book was released on 2017-03-13 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: Color printing is traditionally achieved by separating an input image into four channels (CMYK) and binarizing them using halftoning algorithms, in order to designate the locations of ink droplet placement. Multi-channel printing means a reproduction that employs additional inks other than these four in order to augment the color gamut (scope of reproducible colors) and reduce undesirable ink droplet visibility, so-called graininess. One aim of this dissertation has been to characterize a print setup in which both the primary inks CMYK and their light versions are used. The presented approach groups the inks, forming subsets, each representing a channel that is reproduced with multiple inks. To halftone the separated channels in the present methodology, a specific multilevel halftoning algorithm is employed, halftoning each channel to multiple levels. This algorithm performs the binarization from the ink subsets to each separate colorant. Consequently, the print characterization complexity remains unaltered when employing the light inks, avoiding the normal increase in computational complexity, the one-to-many mapping problem and the increase in the number of training samples. The results show that the reproduction is visually improved in terms of graininess and detail enhancement. The secondary color inks RGB are added in multi-channel printing to increase the color gamut. Utilizing them, however, potentially increases the perceived graininess. Moreover, employing the primary, secondary and light inks means a color separation from a three-channel CIELAB space into a multi-channel colorant space, resulting in colorimetric redundancy in which multiple ink combinations can reproduce the same target color. To address this, a proposed cost function is incorporated in the color separation approach, weighting selected factors that influence the reproduced image quality, i.e. graininess and color accuracy, in order to select the optimal ink combination. The perceived graininess is modeled by employing S-CIELAB, a spatial low-pass filtering mimicking the human visual system. By applying the filtering to a large dataset, a generalized prediction that quantifies the perceived graininess is carried out and incorporated as a criterion in the color separation. Consequently, the presented research increases the understanding of color reproduction and image quality in multi-channel printing, provides concrete solutions to challenges in the practical implementation, and rises the possibilities to fully utilize the potential in multi-channel printing for superior image quality.

Geometry, Morphology, and Computational Imaging

Author : Tetsuo Asano
Publisher : Springer Science & Business Media
ISBN 13 : 3540009167
Total Pages : 449 pages
Book Rating : 4.5/5 (4 download)

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Book Synopsis Geometry, Morphology, and Computational Imaging by : Tetsuo Asano

Download or read book Geometry, Morphology, and Computational Imaging written by Tetsuo Asano and published by Springer Science & Business Media. This book was released on 2003-04-08 with total page 449 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the thoroughly refereed post-proceedings of the 11th International Workshop on Theoretical Foundations of Computer Vision, held in Dagstuhl Castle, Germany in April 2002. The 27 revised full papers presented went through two rounds of reviewing and improvement and assess the state of the art in geometry, morphology, and computational imaging. The papers are organized in sections on geometry - models and algorithms; property measurement in the grid and on finite samples; features, shape, and morphology; and computer vision and scene analysis.

Selected Papers on Digital Halftoning

Author : Jan P. Allebach
Publisher : SPIE-International Society for Optical Engineering
ISBN 13 :
Total Pages : 764 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Selected Papers on Digital Halftoning by : Jan P. Allebach

Download or read book Selected Papers on Digital Halftoning written by Jan P. Allebach and published by SPIE-International Society for Optical Engineering. This book was released on 1999 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text presents 76 papers on halftone imaging. Subjects covered include basic principles, point processes, neighbourhood processes, iterative methods, printer models, and colour.

Perceptual Digital Imaging

Author : Rastislav Lukac
Publisher : CRC Press
ISBN 13 : 143986893X
Total Pages : 554 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Perceptual Digital Imaging by : Rastislav Lukac

Download or read book Perceptual Digital Imaging written by Rastislav Lukac and published by CRC Press. This book was released on 2017-12-19 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: Visual perception is a complex process requiring interaction between the receptors in the eye that sense the stimulus and the neural system and the brain that are responsible for communicating and interpreting the sensed visual information. This process involves several physical, neural, and cognitive phenomena whose understanding is essential to design effective and computationally efficient imaging solutions. Building on advances in computer vision, image and video processing, neuroscience, and information engineering, perceptual digital imaging greatly enhances the capabilities of traditional imaging methods. Filling a gap in the literature, Perceptual Digital Imaging: Methods and Applications comprehensively covers the system design, implementation, and application aspects of this emerging specialized area. It gives readers a strong, fundamental understanding of theory and methods, providing a foundation on which solutions for many of the most interesting and challenging imaging problems can be built. The book features contributions by renowned experts who present the state of the art and recent trends in image acquisition, processing, storage, display, and visual quality evaluation. They detail advances in the field and explore human visual system-driven approaches across a broad spectrum of applications, including: Image quality and aesthetics assessment Digital camera imaging White balancing and color enhancement Thumbnail generation Image restoration Super-resolution imaging Digital halftoning and dithering Color feature extraction Semantic multimedia analysis and processing Video shot characterization Image and video encryption Display quality enhancement This is a valuable resource for readers who want to design and implement more effective solutions for cutting-edge digital imaging, computer vision, and multimedia applications. Suitable as a graduate-level textbook or stand-alone reference for researchers and practitioners, it provides a unique overview of an important and rapidly developing research field.

Color Image Processing

Author : Rastislav Lukac
Publisher : CRC Press
ISBN 13 : 1351837419
Total Pages : 750 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Color Image Processing by : Rastislav Lukac

Download or read book Color Image Processing written by Rastislav Lukac and published by CRC Press. This book was released on 2018-10-03 with total page 750 pages. Available in PDF, EPUB and Kindle. Book excerpt: Color Image Processing: Methods and Applications embraces two decades of extraordinary growth in the technologies and applications for color image processing. The book offers comprehensive coverage of state-of-the-art systems, processing techniques, and emerging applications of digital color imaging. To elucidate the significant progress in specialized areas, the editors invited renowned authorities to address specific research challenges and recent trends in their area of expertise. The book begins by focusing on color fundamentals, including color management, gamut mapping, and color constancy. The remaining chapters detail the latest techniques and approaches to contemporary and traditional color image processing and analysis for a broad spectrum of sophisticated applications, including: Vector and semantic processing Secure imaging Object recognition and feature detection Facial and retinal image analysis Digital camera image processing Spectral and superresolution imaging Image and video colorization Virtual restoration of artwork Video shot segmentation and surveillance Color Image Processing: Methods and Applications is a versatile resource that can be used as a graduate textbook or as stand-alone reference for the design and the implementation of various image and video processing tasks for cutting-edge applications. This book is part of the Digital Imaging and Computer Vision series.

Introduction to Color Imaging Science

Author : Hsien-Che Lee
Publisher : Cambridge University Press
ISBN 13 : 1139444557
Total Pages : 717 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Introduction to Color Imaging Science by : Hsien-Che Lee

Download or read book Introduction to Color Imaging Science written by Hsien-Che Lee and published by Cambridge University Press. This book was released on 2005-02-24 with total page 717 pages. Available in PDF, EPUB and Kindle. Book excerpt: Colour imaging technology has become almost ubiquitous in modern life in the form of monitors, liquid crystal screens, colour printers, scanners, and digital cameras. This book is a comprehensive guide to the scientific and engineering principles of colour imaging. It covers the physics of light and colour, how the eye and physical devices capture colour images, how colour is measured and calibrated, and how images are processed. It stresses physical principles and includes a wealth of real-world examples. The book will be of value to scientists and engineers in the colour imaging industry and, with homework problems, can also be used as a text for graduate courses on colour imaging.

Information and Software Technologies

Author : Tomas Skersys
Publisher : Springer
ISBN 13 : 364241947X
Total Pages : 427 pages
Book Rating : 4.6/5 (424 download)

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Book Synopsis Information and Software Technologies by : Tomas Skersys

Download or read book Information and Software Technologies written by Tomas Skersys and published by Springer. This book was released on 2013-10-06 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 19th International Conference on Information and Software Technologies, ICIST 2013, held in Kaunas, Lithuania, in October 2013. The 34 papers presented were carefully reviewed and selected from 60 submissions. The papers focus on the following topics: information systems, business intelligence, software engineering, and IT applications.

Halftoning for Multi-Channel Printing

Author : Paula Žitinski Elías
Publisher : Linköping University Electronic Press
ISBN 13 : 9175191741
Total Pages : 131 pages
Book Rating : 4.1/5 (751 download)

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Book Synopsis Halftoning for Multi-Channel Printing by : Paula Žitinski Elías

Download or read book Halftoning for Multi-Channel Printing written by Paula Žitinski Elías and published by Linköping University Electronic Press. This book was released on 2014-11-20 with total page 131 pages. Available in PDF, EPUB and Kindle. Book excerpt: A seemingly straightforward way to enhance the quality of printed images is to increase the number of colorants, beyond the four traditionally used, in multi-channel printing. Potential improvements to reproduced images include: increased colour accuracy, enhanced colour smoothness and reduced image graininess. Nevertheless, numerous challenges exist, one of them being the implementation of halftoning algorithms, which transform the original image into a binary one that is reproducible by the printing system. This thesis concerns the development, implementation and verification of halftoning algorithms suitable for an increased number of colorants in multi-channel printing. The first focus in this thesis is on the implementation of an amplitude modulated (AM) halftoning method for seven-channel printing utilizing CMYKRGB colorants. The proposed AM halftoning method utilizes non-orthogonal halftone screens instead of orthogonal ones (dots), thus enabling a wider angle range for the channels that makes possible to accommodate multi-channel impressions. The performance of the non-orthogonal halftoning method was evaluated by computational simulation of channel misregistration for 1600 different scenarios and assessment of printed orthogonal and non-orthogonal patches. The simulated and printed results demonstrate that the proposed halftoning method utilizing non-orthogonal screens shows no visible moiré and produces smaller colour shifts in case of misregistration when compared to orthogonal halftoning. However, the layer thickness of the combined colorants is not controlled by the aforementioned multi-channel AM halftoning approach. Therefore, the second focus in this thesis concerns the adjustment and implementation of a multilevel halftoning algorithm for achromatic and chromatic inks. In this algorithm, a channel is processed so that it can be printed using multiple inks of same hue value, achieving a single ink layer. Here, the thresholds for ink separation and dot gain compensation pose an interesting challenge. Since dot gain originates from the interaction between a specific ink and specific paper, compensating the original image for multilevel halftoning means expressing the dot gain of multiple inks in terms of the nominal coverage of a single ink. The applicability of the proposed multilevel halftoning workflow is demonstrated using multiple inks while avoiding dot-on-dot placement and accounting for dot gain. The results also show that the multilevel halftoned image is visually improved in terms of graininess and detailenhancement when compared to a bi-level halftoned image.

Visual Cryptography and Secret Image Sharing

Author : Stelvio Cimato
Publisher : CRC Press
ISBN 13 : 1351833545
Total Pages : 548 pages
Book Rating : 4.3/5 (518 download)

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Book Synopsis Visual Cryptography and Secret Image Sharing by : Stelvio Cimato

Download or read book Visual Cryptography and Secret Image Sharing written by Stelvio Cimato and published by CRC Press. This book was released on 2017-12-19 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt: With rapid progress in Internet and digital imaging technology, there are more and more ways to easily create, publish, and distribute images. Considered the first book to focus on the relationship between digital imaging and privacy protection, Visual Cryptography and Secret Image Sharing is a complete introduction to novel security methods and sharing-control mechanisms used to protect against unauthorized data access and secure dissemination of sensitive information. Image data protection and image-based authentication techniques offer efficient solutions for controlling how private data and images are made available only to select people. Essential to the design of systems used to manage images that contain sensitive data—such as medical records, financial transactions, and electronic voting systems—the methods presented in this book are useful to counter traditional encryption techniques, which do not scale well and are less efficient when applied directly to image files. An exploration of the most prominent topics in digital imaging security, this book discusses: Potential for sharing multiple secrets Visual cryptography schemes—based either on the probabilistic reconstruction of the secret image, or on different logical operations for combining shared images Inclusion of pictures in the distributed shares Contrast enhancement techniques Color-image visual cryptography Cheating prevention Alignment problems for image shares Steganography and authentication In the continually evolving world of secure image sharing, a growing number of people are becoming involved as new applications and business models are being developed all the time. This contributed volume gives academicians, researchers, and professionals the insight of well-known experts on key concepts, issues, trends, and technologies in this emerging field.