基于乘同余的LSB数字图像信息隐写  

MCM-BASED LSB STEGANOGRAPHY FOR DIGITAL IMAGES

作　　者：聂鹏[1] 

机构地区：[1]江西财经大学现代教育技术中心,江西南昌330013

出　　处：《计算机应用与软件》2013年第7期197-199,212,共4页Computer Applications and Software

基　　金：江西省科技厅基金项目(2009BHA19200)

摘　　要：为了提高针对LSB隐写的抗隐写分析能力,提出在数字图像上利用乘同余的离散特性实现LSB信息隐写,使嵌入信息在载体图像噪声空间内得到均布,提高隐写信息的抗分析能力的方案;研究乘同余和载体图像位面噪声特征;对比分析信息隐写前后的图像噪声特征,并通过实验验证基于乘同余的LSB数字图像信息隐写方法可加强隐藏信息的隐秘性。For improving the ability of anti-steganalysis against LSB steganography, we propose that to implement the LSB information steganography on digital image using the discrete characteristics of the multiplicative congruential method （MCM） to make the embedding information to be distributed uniformly in noise space of carrier image so as to improve the anti-analysis ability of the steganography information; we studied the MCM and the noise features on bit-plane of the carrier image ; comparatively analysed the noise features of image before and after the steganography, and verified through the experiment that the MCM-based LSB information steganography for digital images can enhance the secrecy of information hiding.

关 键 词：信息安全 信息隐写 图像噪声 乘同余 

分 类 号：TP301[自动化与计算机技术—计算机系统结构]