Title
Reversible Data Hiding in Encrypted Images by Reserving Room Before Encryption
Abstract
Recently, more and more attention is paid to reversible data hiding (RDH) in encrypted images, since it maintains the excellent property that the original cover can be losslessly recovered after embedded data is extracted while protecting the image content's confidentiality. All previous methods embed data by reversibly vacating room from the encrypted images, which may be subject to some errors on data extraction and/or image restoration. In this paper, we propose a novel method by reserving room before encryption with a traditional RDH algorithm, and thus it is easy for the data hider to reversibly embed data in the encrypted image. The proposed method can achieve real reversibility, that is, data extraction and image recovery are free of any error. Experiments show that this novel method can embed more than 10 times as large payloads for the same image quality as the previous methods, such as for $\hbox{PSNR}=40$ dB.
Year
DOI
Venue
2013
10.1109/TIFS.2013.2248725
IEEE Transactions on Information Forensics and Security
Keywords
Field
DocType
histogram shift,image encryption,privacy protection,reversible data hiding,encryption,data privacy,payloads,data mining,cryptography,histograms,image quality,image restoration,feature extraction
Computer vision,Pattern recognition,Computer science,Cryptography,Information hiding,Image quality,Feature extraction,Encryption,Artificial intelligence,Data extraction,Image restoration,Information privacy
Journal
Volume
Issue
ISSN
8
3
1556-6013
Citations 
PageRank 
References 
121
2.84
12
Authors
5
Search Limit
100121
Name
Order
Citations
PageRank
Kede Ma177327.93
Weiming Zhang2110488.72
Xianfeng Zhao330740.76
Nenghai Yu42238183.33
Fenghua Li526334.70