Control of Color Imaging Systems

Preface Acknowledgments An Overview of Digital Printing Systems Introduction Printing and Publishing System Digital Front End Digital Print Engine (Electrophotographic) Evolution of Controls Technology for Digital Printers--Color Controls View Prepress-Based Processing DFE-Based Processing Print Engine-Based Processing References Fundamentals of Digital Image Processing Introduction Digital Image Formation and Systems Optical and Modulation Transfer Functions Image Sampling and Quantization Image Transform Image Filtering Image Resizing Image Enhancement Image Restoration Image Halftoning Problems References Mathematical Foundations Introduction General Continuous-Time System Description Laplace Transform General Linear Discrete-Time Systems z-Transform Discrete-Time Fourier Transform Two-Dimensional z-Transform Two-Dimensional Discrete-Space Fourier Transform Eigenvalues and Eigenvectors Singular Value Decomposition Matrix Polynomials and Functions of Square Matrices Fundamentals of Matrix Calculus Problems References State-Variable Representation Introduction Concept of States State-Space Representation of Continuous-Time Systems State-Space Representation of General Continuous LTI Systems Solution of LTI Continuous-Time State Equations State-Space Representation of Discrete-Time Systems State-Space Representation of Discrete-Time LTI Systems Solution of LTI Discrete-Time State Equations Controllability of LTI Systems Observability of LTI Systems Problems References Closed-Loop System Analysis and Design Introduction State Feedback LQR Design State Estimators (Observers) Design Combined State Estimation and Control Problems References Interpolation of Multidimensional Functions Introduction Interpolation of Uniformly Spaced Lookup Tables Nonuniformly Spaced Lookup Tables Lookup Table Inverse Compression of Lookup Tables Smoothing Algorithm for Multidimensional Functions Problems References Three-Dimensional Control of Color Management Systems Introduction Image Path Architecture Profiling--A Complex System Problem Characterization of Color Systems GCR Selection and Inversion Gamut-Mapping Methods Evaluation of Profiles An Example Showing How to Build Multidimensional LUT Problems References One-Dimensional, Two-Dimensional, and Spot-Color Management and Control Methods Introduction Principles of Color Management One-Dimensional Gray-Balance Calibration Two-Dimensional Calibration One-Dimensional and Two-Dimensional Printer Calibration Using Printer Models One-Dimensional and Two-Dimensional Printer Calibration with State-Feedback Methods Spot-Color Control Problems References Internal Process Controls Introduction Process Control Models--A General Control View Time Hierarchical Process Control Loops Level 1 Electrostatic Control System State Space to Transfer Function Conversions Level 2 Developability Controller Steady-State Error Design of the Gain Matrix Level 3 Control Loops Dead Beat Response TC Control Loop Process Controls Under Limited Actuation Optimal Controls for Selective States Optimal Measurements Problems References Printing System Models Introduction Process Models Modulation Transfer Functions Tone Reproduction Curve Image Simulation with Fusing and Color Models Virtual Printer Color Gamut Virtual Printer Model Tuning to an Experimental Printer Problems References Appendices (A-C) Index