A Novel Self-Embedding Watermarking Scheme for Image Tamper Detection and Recovery

Jun Peng Zhang; Qing Fan Zhang; Xiu Ying Xie

doi:10.4028/www.scientific.net/AMM.325-326.1555

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 325-326A Novel Self-Embedding Watermarking Scheme for...

A Novel Self-Embedding Watermarking Scheme for Image Tamper Detection and Recovery

Abstract:

In this paper, an effective self-embedding fragile watermarking scheme is proposed. The watermark is generated by encoding the DCT coefficients of each 2×2 block and embedded into another block. A non-linear pseudo random sequence is used for generating the block mapping which can enhance the security of the algorithm. An improved tamper localization and recovery algorithm are performed. The experiment results show that the tamper region can be successfully localized and exactly recovered, even if under the content-only tampering.

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Periodical:

Applied Mechanics and Materials (Volumes 325-326)

Pages:

1555-1558

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.325-326.1555

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Online since:

June 2013

Authors:

Jun Peng Zhang, Qing Fan Zhang, Xiu Ying Xie

Keywords:

Chaos, Fragile Watermarking, Tamper Detection, Tamper Recovery

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References

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