December 2017
Intermediate to advanced
424 pages
12h 35m
English
Content preview from Multimedia Security
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Pseudo-Random Pixel Rearrangement Algorithm Based on Gaussian Integers for Image Watermarking |
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CONTENTS
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
6.1 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 ...
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