Multimedia Security

11	Survey of Image Steganography and Steganalysis
Mayra Bachrach and Frank Y. Shih

CONTENTS

11.1  Introduction

11.2  Steganography

11.3  Image Representation

11.4  Spatial Domain and Frequency Domain

11.4.1  Common Approaches

11.4.1.1  Least-Significant Bit (LSB) Substitution

11.4.1.2  Algorithms and Transformations

11.5  Genetic Algorithm

11.6  Steganalysis

11.6.1  Steganography Software

11.6.1.1  S-Tools

11.6.1.2  JPeg–JSteg

11.6.1.3  Steganalysis Software

11.7  Conclusions

References

11.1  INTRODUCTION

The term, steganography, comes from Greek and means “covered writing” (Johnson and Jajodia, 1998a; Petitcolas et al., 1999). The intent of steganography is to hide a message in a medium in such a way that no one but the intended recipient ...