High-capacity index based data hiding method

被引：24

作者：

Jung, Ki-Hyun ^{[1
]}

Yoo, Kee-Young ^{[2
]}

机构：

[1] Yeungjin Coll, Sch Comp Informat, Daegu 702721, South Korea

[2] Kyungpook Natl Univ, Sch Comp Sci & Engn, Daegu 702701, South Korea

来源：

MULTIMEDIA TOOLS AND APPLICATIONS | 2015年 / 74卷 / 06期

关键词：

Data hiding; Steganography; Watermarking; Pixel-value differencing; Four-pixel differencing; STEGANOGRAPHIC METHOD; IMAGES; SUBSTITUTION;

D O I：

10.1007/s11042-014-2081-4

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, a high-capacity data hiding method based on the index function is presented. The cover image is divided into non-overlapping sub-blocks, and the basis pixel is calculated by the index function. Difference values with other pixel-pairs are referenced to decide the number of embedding secret bits with the range table. The experimental results demonstrate that the proposed method could embed 2.45 bpp on average without distortion to the human visual system. We showed that the embedding capacity of the proposed method is 214,227 bits, 213,879 bits, 9,445 bits, 12,240 bits, and 109,253 bits larger than previous works on average for 12 test images.

引用

页码：2179 / 2193

页数：15

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