Multimedia Security

12	Digital Steganographic Schemes Based On Image Vector Quantization
Shinfeng D. Lin and Shih-Chieh Shie

CONTENTS

12.1  Introduction

12.2  Background for VQ-Based Image Steganographic Schemes

12.2.1  Vector Quantization

12.2.2  Search-Order-Coding Algorithm

12.2.3  Data Embedding by lsb Substitution

12.2.4  VQ-Based Image Steganographic Schemes

12.3  Image Steganographic Scheme Based on VQ Codebook Modification

12.3.1  Image Steganographic Scheme by VQ and LSB Modification

12.3.2  Experimental Results

12.4  Image Steganographic Scheme in VQ-Compressed Domain of Image

12.4.1  Image Steganographic Scheme in VQ-Compressed Domain

12.4.2  Experimental Results

12.5  Visually Imperceptible Image Steganographic Scheme Based on VQ

12.5.1  Visually ...