Text information hiding based on Part of Speech grammar

被引：0
|
作者：
Dai Zuxu [1 ,2 ]
Hong Fan [1 ]
Yang Muxiang [1 ]
Cui Guohua [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Sch Comp Sci & Technol, Wuhan 430074, Peoples R China
[2] Wuhan Inst Technol, Sch Sci, Wuhan 430074, Peoples R China
来源：
CIS WORKSHOPS 2007: INTERNATIONAL CONFERENCE ON COMPUTATIONAL INTELLIGENCE AND SECURITY WORKSHOPS | 2007年
关键词：
text information hiding; Part of Speech grammar; sentence pattern; mimic function;
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Method for text information hiding based on Part of Speech (PoS) Grammar is proposed. A context free PoS grammar generates PoS strings, which are patterns of natural language sentences. Taking PoS strings as a transform domain of natural language, the method maps both secret message and cover text to the domain, then maps each PoS string to a number where sentence appears in the cover text by string matching, and sequence of the numbers is the secret key. Using the secret key, receiver extracts the secret message by syntactic analysis. Further more, a formula computing the capacity of hidden information is given. This method does not require any modification of text, meanwhile, it is a sound solution of the problem cover text is syntactic but not semantic that Wayner's scheme encountered.
引用
收藏
页码：632 / +
页数：2
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