Fundamentals and applications of hardcopy communication : conveying side information by printed media / Joceli Mayer, Paulo V.K. Borges, Steven J. Simske.
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| Main Authors: | , , |
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| Format: | Ebook |
| Language: | English |
| Published: |
Cham :
Springer,
2018.
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| Subjects: | |
| Online Access: | Springer eBooks |
Table of Contents:
- Intro; Acknowledgments; Contents; Acronyms; 1 Introduction; 1.1 Overview; References; 2 Hardcopy Image Communication; 2.1 Introduction; 2.1.1 A Communication Problem; 2.1.2 Information Encoding; 2.1.3 Embedding into the Host; 2.1.4 Decoding the Information; 2.2 Review on Techniques for Hardcopy Image Communication; 2.3 Robust Authentication of Documents After Multiple Passes; 2.3.1 Introduction; 2.3.2 Information Encoding and Modulation for the Print and Scan Channel; 2.3.3 Security and Transparency Versus Robustness Tradeoff; 2.3.4 Component Rejection by Segmentation; 2.3.5 Experiments
- 2.3.6 Conclusions2.4 Hardcopy Communication for Inkjet Channels; 2.4.1 Information Embedding; 2.4.2 On the Choice of Patterns for Informed Coding; 2.4.3 Color Rejection Approach to Reduce Host Interference; 2.4.4 Pattern Detection Followed by Message Decoding; 2.4.5 Analysis of the Proposed Detection Metric; 2.4.6 Experiments; 2.5 Conclusions; References; 3 Text Watermarking; 3.1 The Effects of Printing and Scanning; 3.1.1 Device Characteristics; 3.1.1.1 Scanning; 3.1.1.2 Printing; 3.1.2 The Halftoning Process; 3.1.3 Print and Scan Channel Analytical Models; 3.1.3.1 Pixel Value Distortions
- 3.1.3.2 Gains gpr(·) and gs(·)3.1.3.3 Geometric Distortions; 3.1.3.4 Effects Induced by the Halftone; 3.1.3.5 PS Channel Conclusions; 3.2 Text Watermarking via Affine Transformations; 3.2.1 Line-Shift Coding; 3.2.2 Word-Shift Coding; 3.2.3 Feature Coding; 3.3 Text Luminance Modulation; 3.3.1 General Embedding; 3.3.2 Capacity Upper Bound; 3.3.3 Practical Implementation; 3.3.4 Thresholding; 3.3.5 Attacks; 3.3.6 TLM Detection Metrics; 3.4 On TLM Metrics; 3.4.1 Statistical and Distortion Assumptions; 3.4.2 Statistical Detection Metrics; 3.4.2.1 Detection by the Sample Mean
- 3.4.2.2 Detection by the Sample Variance3.4.3 Detection Using Higher Order Statistical Moments; 3.4.3.1 Sample Skewness; 3.4.3.2 Sample Kurtosis; 3.4.4 Spectral Based Detection; 3.4.5 Combining Different Metrics; 3.5 A Practical Authentication Protocol; 3.5.1 Encryption; 3.5.2 Decryption; 3.5.3 Noisy Environment; 3.6 Position Based Coding; 3.6.1 Sequential Modulation; 3.6.2 Positional Encoding; 3.6.3 Distortion of PBC Versus SM; 3.6.4 Detection; 3.7 From Black and White to Color; 3.7.1 Motivation for Using Color; 3.7.2 Some Comments on Color Printing; 3.7.2.1 Color PS Channel Analytical Model
- 3.7.3 The Detection Process3.7.3.1 Detection Metric; 3.7.3.2 Bhattacharyya Bound on the Error Rate; 3.7.4 Perceptual Evaluation of Color Modulation; 3.7.5 Auxiliary Metric to Improve Detection; 3.7.6 Experiments; 3.7.6.1 Blue Channel Modulation; 3.7.6.2 Red Channel Modulation; 3.7.6.3 Combined Blue-Red Channel Modulation; 3.7.6.4 Auxiliary Angular Detection; 3.7.6.5 Variable Modulation Gains; 3.8 Conclusions; References; 4 Print Codes; 4.1 Introduction; 4.2 Transmitting Through Print-Scan Channel; 4.3 The Print Codes Color Model; 4.4 Statistical Block Classification