17

Two-Decoding-Option Image Sharing Method

Ching-Nung Yang, Chuei-Bang Ciou and Tse-Shih Chen

National Dong Hwa University, Taiwan

CONTENTS

17.1 Introduction

An image secret sharing scheme (ISSS) divides a secret image into some shadow images (referred to as shadows) in a way that requires the shadows in a certain privileged coalitions for the secret reconstruction. However, the secret image cannot be revealed if they are not combined in the prescribed ...

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