Polynomial-Based Image Sharing - Visual Cryptography and Secret Image Sharing - page 395

15

Polynomial -Based Image Sharing

Shiuh-Jeng Wang
Central Police University, Taiwan

Chen-Hsing Yang
National Pingtung University of Education, Taiwan

Yu-Ting Chen
Central Police University, Taiwan

CONTENTS
15.1

Introduction :::::::::::::::::::::::::::::::::::::::::::::::::::::: 404

15.2 Polynomial-Based Sharing Scheme :::::::::::::::::::::::::::::: 405

15.2.1 Shamir's Secret Sharing Scheme :::::::::::::::::::::::: 405

15.2.2 Lagrange Interpolation Scheme ::::::::::::::::::::::::: 406

15.3 Preliminaries and Related Works :::::::::::::::::::::::::::::::: 407

15.3.1

Thien-Lin Scheme ::::::::::::::::::::::::::::::::::::::: 407

15.3.2 Lin-Tsai Scheme ::::::::::::::::::::::::::::::::::::::::: 407

15.3.3 Yang et al.'s Scheme ::::::::::::::::::::::::::::::::::::: 409

15.3.4 Inverted Pattern LSB Scheme ::::::::::::::::::::::::::: 409

15.3.5 Scalable Secret Image Sharing ::::::::::::::::::::::::::: 410

15.4 Wang et al.'s Scheme :::::::::::::::::::::::::::::::::::::::::::: 412

15.4.1 Secret Image Sharing :::::::::::::::::::::::::::::::::::: 412

15.4.2 Set-Up Authentication ::::::::::::::::::::::::::::::::::: 414

15.4.3 Main Algorithms ::::::::::::::::::::::::::::::::::::::::: 416

15.5 Experimental Results :::::::::::::::::::::::::::::::::::::::::::: 418

15.5.1 Fidelity Analysis ::::::::::::::::::::::::::::::::::::::::: 418

15.5.2 Evaluating Authentication :::::::::::::::::::::::::::::: 419

15.6 Conclusions ::::::::::::::::::::::::::::::::::::::::::::::::::::::: 423

Bibliography :::::::::::::::::::::::::::::::::::::::::::::::::::::::: 423