JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Course Objectives

• 1. To learn about the watermarking models and message coding
• 2. To learn about watermark security and authentication.
• 3. To learn about stegnography. Perceptual models

Course Outcomes

• 1. Know the History and importance of watermarking and steganography
• 2. Analyze Applications and properties of watermarking and steganography
• 3. Demonstrate Models and algorithms of watermarking
• 4. Possess the passion for acquiring knowledge and skill in preserving authentication of Information
• 5. Identify theoretic foundations of steganography and steganalysis

UNIT - I

Introduction: Information Hiding, Steganography and Watermarking – History of watermarking – Importance of digital watermarking – Applications – Properties – Evaluating watermarking systems. Watermarking models & message coding: Notation – Communications – Communication based models – Geometric models – Mapping messages into message vectors – Error correction coding – Detecting multi-symbol watermarks.

UNIT - II

Watermarking with side information & analyzing errors: Informed Embedding – Informed Coding – Structured dirty-paper codes - Message errors – False positive errors – False negative errors – ROC curves – Effect of whitening on error rates.

UNIT - III

Perceptual models: Evaluating perceptual impact – General form of a perceptual model – Examples of perceptual models – Robust watermarking approaches - Redundant Embedding, Spread Spectrum Coding, Embedding in Perceptually significant coefficients

UNIT - IV

Watermark security & authentication: Security requirements – Watermark security and cryptography – Attacks – Exact authentication – Selective authentication – Localization – Restoration.

R16 B.TECH IT

UNIT - V

Steganography: Steganography communication – Notation and terminology – Information- theoretic foundations of steganography – Practical steganographic methods – Minimizing the embedding impact – Steganalysis

REFERENCES:

• 1. Ingemar J. Cox, Matthew L. Miller, Jeffrey A. Bloom, Jessica Fridrich, Ton Kalker, “Digital
• 2. Watermarking and Steganography”, Margan Kaufmann Publishers, New York, 2008.
• 3. Ingemar J. Cox, Matthew L. Miller, Jeffrey A. Bloom, “Digital Watermarking”, Margan Kaufmann Publishers, New York, 2003.
• 4. Michael Arnold, Martin Schmucker, Stephen D. Wolthusen, “Techniques and Applications of Digital Watermarking and Contest Protection”, Artech House, London, 2003.
• 5. Juergen Seits, “Digital Watermarking for Digital Media”, IDEA Group Publisher, New York, 2005.
• 6. Peter Wayner, “Disappearing Cryptography – Information Hiding: Steganography & Watermarking”, Morgan Kaufmann Publishers, New York, 2002. R16 B.TECH IT