Coverless Information Hiding Method Based on Web Text

Coverless information hiding has become a hot topic because it can hide secret information (SI) into carriers without any modification. Aiming at the problems of the low hiding capacity (HC) and mismatch in text big data, a novel method of coverless information hiding by retrieving the massive amoun...

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Bibliographic Details
Published in:IEEE access 2019, Vol.7, p.31926-31933
Main Authors: Long, Yi, Liu, Yuling, Zhang, Yuquan, Ba, Xinshuang, Qin, Jiaohua
Format: Article
Language:English
Subjects:
Big Data
Coordinates
coverless information hiding
Data mining
Hidden Markov models
Information retrieval
Libraries
location information
text big data
Texts
Training
Uniform resource locators
Web pages
web spider
web text
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Summary:Coverless information hiding has become a hot topic because it can hide secret information (SI) into carriers without any modification. Aiming at the problems of the low hiding capacity (HC) and mismatch in text big data, a novel method of coverless information hiding by retrieving the massive amount of web text on the Internet. First, the proposed method uses a web spider technology to capture web texts associated with SI to construct a web-text library. Second, some texts containing SI are searched and the optimal web text is selected from them. Then, the location of the SI in the selected web text is described by using a 2-D coordinate system. Finally, the URL of the web text is combined with the obtained location information and then sent to the recipient. The experimental results and analysis show that the performances are improved in terms of HC, hiding success rate, and security.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2019.2901260