Visual Cryptography and Secret Image Sharing

14

Image Secret Sharing

WeiQi Yan, Jonathan Weir and Mohan S. Kankanhalli

Queen’s University Belfast, UK

National University of Singapore, Singapore

CONTENTS

14.1 Introduction

14.2 State of the Art

14.3 Approaches for Image Sharing

14.3.1 Shamir’s Secret Sharing Scheme

14.3.2 Color Image Sharing Based on the Lagrange Interpolation

14.3.3 Color Image Sharing Based on Moving Lines

14.3.4 Improved Algorithm

14.4 Experiment and Evaluation

14.5 Conclusion

Bibliography

14.1 Introduction

Cryptography plays a very vital enabling role in our modern computing infrastructure. Almost all real-world applications require keys (such as passwords) for the purposes of confidentiality, authentication, and nonrepudiation. The strength of such cryptographic ...