Volume 6 Number 9 (Sep. 2011)
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JSW 2011 Vol.6(9): 1813-1820 ISSN: 1796-217X
doi: 10.4304/jsw.6.9.1813-1820

A Prediction-Based Adaptive Reversible Data Embedding Scheme

Chin-Feng Lee1, Ying-Hsuan Huang2, Chin-Chen Chang3, Tien-Chung Liu4

1Department of Information Management, Chaoyang University of Technology, Taichung County 41349, Taiwan
2Department of Computer Science and Engineering, National Chung Hsing University, Taichung 40227, Taiwan
3Department of Information Engineering and Computer Science, Feng Chia University, Taichung 40724, Taiwan
4Department of Computer Science and Information Engineering, Chung Cheng University, Chiayi 62102, Taiwan

Abstract—A reversible data embedding algorithm to adaptively hide a secret message is proposed. The embeddable location is determined by a variance threshold without a location map or overhead information. The proposed algorithm comprises three phases. In the preprocessing phase, the variance thresholds are generated to control the quantity of secret data bits and the image fidelity. In the embedding phase, each block composed of four cover pixels and is manipulated to overlap with blocks to determine a prediction error that arises from the difference between a cover pixel and the average value of its upper and left neighbors. Secret data then embedded in a cover pixel by adding them to the pixel prediction value plus the prediction error. In the extraction and recovering phase, the secret data are extracted in a manner similar to that in which they are embedded, and pixels can be restored to their original values. Experimental results show that the embedding capacity can be adjusted in the proposed scheme. Moreover, the embedding capacity exceeds that of other schemes and the image quality remains satisfactory.

Index Terms—reversible data hiding, difference expansion, embedding capacity, image quality


Cite: Chin-Feng Lee, Ying-Hsuan Huang, Chin-Chen Chang, Tien-Chung Liu, "A Prediction-Based Adaptive Reversible Data Embedding Scheme," Journal of Software vol. 6, no. 9, pp. 1813-1820, 2011.

General Information

ISSN: 1796-217X (Online)
Frequency:  Quarterly
Editor-in-Chief: Prof. Antanas Verikas
Executive Editor: Ms. Yoyo Y. Zhou
Abstracting/ Indexing: DBLP, EBSCO, CNKIGoogle Scholar, ProQuest, INSPEC(IET), ULRICH's Periodicals Directory, WorldCat, etc
E-mail: jsweditorialoffice@gmail.com
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