HPS: Histogram preserving steganography in spatial domain

Yinan Wang, Weirong Chen, Yue Li, Wei Wang, Chang Tsun Li

Research output: Book chapter/Published conference paperConference paper

1 Citation (Scopus)


Minimization of perceptual and statistical distortions is one of the main challenges facing steganographic schemes. The most common approach to minimizing perceptual distortion is Least Significant Bit embedding. However, the statistical features (e.g., histogram) of the stego-images may be changed significantly even with selection of the regions of interest in the embedding process. This opens security gaps for steganal-ysis. To address this issue in this paper, we propose a novel steganographic algorithm, which is capable of preserving the histogram of the cover images in the stego-images and minimizing visual distortions. We partition the gray intensity scale into small segments and only allow the embedding process to modulate the gray intensity within the same segment. Randomization is employed to ensure the preservation of the histogram of cover images.
Original languageEnglish
Title of host publicationProceedings of the 2014 International Workshop on Biometrics and Forensics
Subtitle of host publicationIWBF 2014
Place of PublicationUSA
PublisherIEEE, Institute of Electrical and Electronics Engineers
Number of pages4
ISBN (Electronic)9781479943708
Publication statusPublished - 30 Sep 2014
EventIWBF 2014: 2nd International Workshop on Biometrics and Forensics - University of Malta, Valletta, Malta
Duration: 27 Mar 201428 Mar 2014


ConferenceIWBF 2014
OtherThe International Workshop on Biometrics and Forensics (IWBF) is organized by COST Action IC1106 – "Integrating Biometrics and Forensics for the Digital Age" and by IAPR TC4, the technical committee on Biometrics. It is an international forum devoted specifically to the development of synergies between the biometrics and forensic science research areas. IWBF provides the meeting place for those concerned with the usage of biometric recognition systems in forensic science applications, attracting participants from industry, research, academia and users.
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