[...]... detail In Chapter 8, the basics of 1-D and 2-D tone control of color management systems are discussed State variable representation of imaging systems, control- based 1-D and 2-D tone management, and spot color control methods are presented In Chapter 9, a detailed modeling and analysis of internal closed-loop process controls, closed-loop controller design for charging and development systems are presented... segment of the printing industry is devoted to prepress, expanding on the traditional prepress and removing limitations of printing methods Digital prepress work is largely aided by modern computing hardware, software tools, and imaging instruments Image capture and manipulation software, such as desktop publishing, 14 Control of Color Imaging Systems: Analysis and Design color management software,... digital color printing and publishing systems for the of ce and production In this chapter, we describe some of the key elements of an end-to-end digital printing and publishing system used for the production of high print volumes and the management of complex print jobs This overview will help the reader to better understand the functional and processing system-level components involved when designing... vibrant colors with little rub-off qualities, valued for newspapers, directories, and books Gravure’s highquality reproduction, flexible pagination and formats, and consistent print quality are used in packaging and printing of periodicals In offset printing presses, the press control system controls and monitors the ink, water, and print registration systems, and often robots are used to move parts in and. .. automation of the entire publishing, production, and decision processes via feedback control using real-time functional press models, real-time scheduling policy decisions based on sampling the current state of the press; (2) optimization of workflow layouts; (3) the use of sensors to measure, control, and export color to proofing, prepress, and creation stages and hence standardization of the color interfaces... (ICI) algorithm, dynamic optimization and 1-D, 2-D, 3-D smoothing algorithms are described Chapter 7 covers the 3-D control of color management systems with International Color Consortium (ICC) profiles generated using gray-component replacement (GCR) constraints, control- based inversion and control- based gamut mapping approaches In this chapter, various empirical and first principle based Neugebauer models... rendering control In the DFE image path, tone adjustment and the multidimensional color transforms are critical control points where feedback from the internal and external paper-based spectral or color measurements are used to develop 1-D (single-channel linearization or gray balance), two-dimensional (2-D) or 3-D transforms [21] Advanced color profiling solutions offered by Xerox [22,23] with an in-line... ideas, algorithms and methods in imaging systems to achieve full autonomy Lalit K Mestha Sohail A Dianat Acknowledgments I would like to thank Graham Rees of Rutherford Appleton Laboratory, Professor Richard Talman of Cornell University, Bob Webber of Fermi National Accelerator Laboratory, and Professor Kai Yeung of the University of Texas at Arlington for injecting the seeds of physics and controls into... Suhan, Savan, and Veena Mestha, Ahrash Dianat, and Mitra Nikaein, for their support and understanding when dedicating our personal time on this project Lalit K Mestha Sohail A Dianat 1 An Overview of Digital Printing Systems 1.1 INTRODUCTION The printing industry includes a number of segments [1] including commercial printing and publishing The integration of computing, imaging, and controls technology... 9.9.2 Control- Based TRC Inversion Process 509 9.10 Dead Beat Response 513 xiv Contents 9.11 TC Control Loop 515 9.11.1 Open-Loop TC Model 515 9.11.2 Design of a TC Control Loop Using a PI Controller 517 9.11.3 Design of a TC Control Loop with a Time Delay Using a PI Controller 522 9.11.4 Feedforward Compensation for Image Disturbance 525 9.11.5 Design of . basics of 1-D and 2-D tone control of color management systems are discussed. State variable representa- tion of imaging systems, control- based 1-D and 2-D tone management, and spot color control. 215 5.2.2 Pole-Placement Design of SISO Systems 219 5.2.3 Pole-Placement Design of Multiple-Input Multiple-Output (MIMO) Systems 224 5.2.4 Relationship between Poles and the Closed- Loop System. trademarks, and are used only for identification and explanation without intent to infringe. Library of Congress Cataloging-in-Publication Data Mestha, L. K. Control of color imaging systems : analysis