Abstract:
This paper investigates the capacity of a special kind of information hiding models based on the nested lattice in coding theory, introduces the formula of the capacity, and presents the methods of the information embedding and extracting to achieve the capacity. The information embedding and extracting methods based on lattice theory are explained by a simple example.
Key words:
Information hiding,
Hiding capacity,
Gauss distribution,
Nested lattice theory
摘要: 利用网格理论分析了一类特殊的信息隐藏模型的隐藏容量,给出了隐藏容量的具体表达式,以及达到该容量的信息嵌入方法和提取方法,通过举例说明基于格理论的信息嵌入和提取方法。
关键词:
信息隐藏,
隐藏容量,
高斯分布,
网格理论
CLC Number:
GAO Haiying;; YANG Yixian;; NIU Xinxin;. Capacity Analysis of Gauss Information Hiding in Presence of Additive Attacks[J]. Computer Engineering, 2006, 32(16): 4-5,22.
高海英;;杨义先;;钮心忻;. 加性攻击条件下高斯信息隐藏的容量分析[J]. 计算机工程, 2006, 32(16): 4-5,22.