Large capacity information hiding algorithm

doi:10.3778/j.issn.1002-8331.2010.23.034

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (23): 122-125.DOI: 10.3778/j.issn.1002-8331.2010.23.034

• 网络、通信、安全 • Previous Articles Next Articles

Large capacity information hiding algorithm

ZHANG Xian-quan，SUN Rong-hai，ZHU Ying-jun

Department of Computer Science，Guangxi Normal University，Guilin，Guangxi 541004，China

Received:2009-01-19 Revised:2009-03-23 Online:2010-08-11 Published:2010-08-11
Contact: ZHANG Xian-quan

一种大容量的信息隐藏方法

张显全，孙容海，祝英俊

广西师范大学计算机科学系，广西桂林 541004

通讯作者: 张显全

Abstract

Abstract: The maximum of 1 bits in each byte of the carrier information is considered as the flag bit.By adjusting the value of the embedded information，the process of inserting the secret information changes the original host image less，and guarantees the flag bit of the carrier information does not need to change so that extracting hidden information is completely blind extracting.The experimental result indicates that the proposed algorithm improves the hidden information capacity and the original host image is modified less.

Key words: steganography, information hiding, flag bit, least significant bit

摘要： 以载体信息每个字节的最高为1的位为标志位，通过对嵌入信息的数值进行调整，使隐秘信息的嵌入过程对原图像的改变较少，同时保证载体信息的标志位不必变，达到对嵌入信息无损提取。实验结果表明，算法对载体图像的改动小，提高了隐藏容量。

关键词: 隐写, 信息隐藏, 标志位, 最低比特位

CLC Number:

TP393

ZHANG Xian-quan，SUN Rong-hai，ZHU Ying-jun. Large capacity information hiding algorithm[J]. Computer Engineering and Applications, 2010, 46(23): 122-125.

张显全，孙容海，祝英俊. 一种大容量的信息隐藏方法[J]. 计算机工程与应用, 2010, 46(23): 122-125.

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Large capacity information hiding algorithm

一种大容量的信息隐藏方法

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