This book constitutes the thoroughly refereed post-workshop proceedings of the 11th International Workshop on Information Hiding, IH 2009, held in Darmstadt, Germany, in June 2009. The papers are organized in topical sections on steganography, steganalysis, watermarking, fingerprinting, hiding in unusual content, novel applications and forensics.

Steganography.- Supraliminal Audio Steganography: Audio Files Tricking Audiophiles.- An Epistemological Approach to Steganography.- Fisher Information Determines Capacity of ?-Secure Steganography.- Fast BCH Syndrome Coding for Steganography.- Steganalysis.- Embedding Ratio Estimating for Each Bit Plane of Image.- Estimating Steganographic Fisher Information in Real Images.- Watermarking.- Fast Determination of Sensitivity in the Presence of Countermeasures in BOWS-2.- A Phase Modulation Audio Watermarking Technique.- Forensic Tracking Watermarking against In-theater Piracy.- Self-recovery Fragile Watermarking Using Block-Neighborhood Tampering Characterization.- Perception-Based Audio Authentication Watermarking in the Time-Frequency Domain.- Fingerprinting.- An Improvement of Short 2-Secure Fingerprint Codes Strongly Avoiding False-Positive.- Estimating the Minimal Length of Tardos Code.- Hiding in Unusual Content, Novel Applications.- Roughness-Adaptive 3D Watermarking of Polygonal Meshes.- Hardware-Based Public-Key Cryptography with Public Physically Unclonable Functions.- SVD-Based Ghost Circuitry Detection.- Forensics.- Microphone Classification Using Fourier Coefficients.- Detect Digital Image Splicing with Visual Cues.- Feature-Based Camera Model Identification Works in Practice.

This book constitutes the thoroughly refereed post-workshop proceedings of the 11th International Workshop on Information Hiding, IH 2009, held in Darmstadt, Germany, in June 2009.

The 19 revised full papers presented were carefully reviewed and selected from 55 submissions. The papers are organized in topical sections on steganography, steganalysis, watermarking, fingerprinting, hiding in unusual content, novel applications and forensics.

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