基于混沌加密的一种图像信息隐藏传送方法  

Transmission Method of Image Information Hiding Based on Chaotic Encryption

作　　者：刘年生[1] 郭东辉[2] 

机构地区：[1]集美大学计算机工程学院,厦门361021 [2]厦门大学物理系,厦门361005

出　　处：《计算机工程》2006年第7期135-137,共3页Computer Engineering

基　　金：国家自然科学基金资助项目(69886002;60076015);福建省自然科学基金资助项目(A0010019)

摘　　要：提出了一种新的基于混沌加密的图像信息隐藏传送方法,即将混沌序列作为一种类噪声的扩谱序列,把所要传送的敏感信号以白噪声形式的扩谱信号调制隐藏在载体图像中进行安全通信。与LSB和MSB等传统的图像信息隐藏方法相比,该新方法在信息隐藏的容量、不可觉察性、安全性和鲁棒性等性能方面有较大的提高。文章具体介绍了该方法的加密算法原理,并定义了图像信息的完整性和差异不可觉察性来分析定量分析该方法优点,最后,给出了计算机仿真验证的结果。This paper proposes a new transmission method of image information hiding scheme based on chaotic encryption. Chaotic sequence is regarded as a noise-like spread sequence, and the secret signal to be transmitted is modulated and hidden in the covert image as a white noise to implement secure communication. The new scheme is better than LSB or MSB in the imperceptibility, capacity, security and robustness of information hiding. The encryption principle of new algorithm is firstly introduced in this paper, and the merits of new scheme are quantitatively analyzed by defining integrality and imperceptibility of image information. The results of validation by computer simulation are described in the end.

关 键 词：信息隐藏 混沌序列 加密算法 小波变换 

分 类 号：TP309.02[自动化与计算机技术—计算机系统结构]