Reversible Data Hiding in Encrypted Images by Reserving Room Before Encryption

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 method...

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Veröffentlicht in:IEEE transactions on information forensics and security Jg. 8; H. 3; S. 553 - 562
Hauptverfasser: Ma, Kede, Weiming Zhang, Xianfeng Zhao, Nenghai Yu, Fenghua Li
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York, NY IEEE 01.03.2013
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:
Algorithms
Applied sciences
Artificial intelligence
Computer information security
Computer science; control theory; systems
Cryptography
Data mining
Encryption
Errors
Exact sciences and technology
Extraction
histogram shift
Histograms
image encryption
Image quality
Information, signal and communications theory
Memory and file management (including protection and security)
Memory organisation. Data processing
Pattern recognition. Digital image processing. Computational geometry
Payloads
privacy protection
Receivers
Reversible data hiding
Signal and communications theory
Software
Studies
Telecommunications and information theory
Private life
Content management
Histogram
Image processing
Image content
Image databank
Stéganography
Reversible data hiding
Encryption
Image restoration
image encryption
Image quality
Confidentiality
Data recovery
privacy protection
Authentication
histogram shift
Reversibility
Cryptography
Computer security
ISSN:1556-6013, 1556-6021
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Beschreibung
Zusammenfassung: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 PSNR=40 dB.
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ISSN:1556-6013
1556-6021
DOI:10.1109/TIFS.2013.2248725