Lossless Information Hiding in Images

Chapter 1

Introduction

Abstract

With the rapid development of digital image processing techniques and the popularization of the Internet, digital images are being used more and more widely in a number of applications from medical imaging and law enforcement to banking and daily consumer use. They are much more convenient in editing, copying, storing, transmitting, and utilizing. However, unfortunately, at the same time, digital images are facing the problems of copyright protection and content authentication. Since the 1990s, the development of information hiding techniques has provided a way to protect digital media. Such techniques embed some secret information like private annotations, business logos, and critical intelligence into cover media ...