Multimedia Security

6	Pseudo-Random Pixel Rearrangement Algorithm Based on Gaussian Integers for Image Watermarking
Aleksey Koval, Frank Y. Shih and Boris S. Verkhovsky

CONTENTS

6.1    Introduction

6.2    Overview to Gaussian Integers

6.3    Pixel Rearrangement Algorithm

6.4    Proof of Algorithm Validity

6.5    Cryptoimmunity of the Rearrangement Algorithm

6.6    Comparison to Arnold’s Cat Map Chaos Transformation

6.7    An Example in Image Watermarking

6.8    Conclusions

References

6.1    INTRODUCTION

Steganography is a process of hiding information in a medium in such a manner that no one except for the anticipated recipient knows of its existence (Shih, 2008). The history of steganography can be traced back to around 440 B.C.E., where the Greek historian ...