Data Hiding in Images by Adaptive LSB Substitution Based on the Pixel-Value Differencing

Author

Li, Suk-Ling ; Leung, Kai-Chi ; Cheng, L.M. ; Chan, Chi-Kwong

Author_Institution

Dept. of Electron. Eng., City Univ. of Hong Kong, Kowloon

Volume

3

fYear

2006

fDate

Aug. 30 2006-Sept. 1 2006

Firstpage

58

Lastpage

61

Abstract

In this paper, the steganographic method proposed by Chang and Tseng (C.C. Chang et al., 2004) is reviewed and the problem related to the Chang-Tseng scheme is described. A modified scheme is proposed to overcome the problem in which the embedded data cannot be extracted correctly. Moreover, in order to enhance the image quality of the stego-image and enlarge the embedding capacity of the host-image, a novel method to embed secret data into the host-image by adaptive LSB substitution based on the pixel-value differencing is proposed. Experimental results show that both of the embedding capacity and the image quality of the stego-image outperforms than the Chang-Tseng scheme. In addition, the embedded confidential information can be obtained properly from the stego-image without the assistance of the host-image

Keywords

cryptography; data encapsulation; image coding; Chang-Tseng scheme; adaptive LSB substitution; image data hiding; pixel-value differencing; steganographic method; stego-image; Data communication; Data encapsulation; Data mining; Data security; Equations; Image quality; Information security; Internet; Pixel; Steganography;

fLanguage

English

Publisher

ieee

Conference_Titel

Innovative Computing, Information and Control, 2006. ICICIC '06. First International Conference on

Conference_Location

Beijing

Print_ISBN

0-7695-2616-0

Type

conf

DOI

10.1109/ICICIC.2006.431

Filename

1692116