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A Semi-Fragile Lossless Digital Watermarking Scheme Based on Integer Wavelet Transform.

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Title: A Semi-Fragile Lossless Digital Watermarking Scheme Based on Integer Wavelet Transform.
Authors: Dekün Zou1,2 dekun.zou@thomson.net, Shi, Yun Q.1 shi@njit.edu, Zhicheng Ni1, Wei Su1
Source: IEEE Transactions on Circuits & Systems for Video Technology. Oct2006, Vol. 16 Issue 10, p1294-1300. 7p. 3 Black and White Photographs, 3 Diagrams, 2 Charts, 4 Graphs.
Subjects: Digital watermarking, Data encryption, Digital image watermarking, Data compression, Image compression, Systems engineering
Abstract: In this paper, a new semi-fragile lossless digital water-marking scheme based on integer wavelet transform is presented. The wavelet family applied is the 5/3 filter bank which serves as the default transformation in the JPEG2000 standard for image lossless compression. As a result, the proposed scheme can be integrated into the JPEG2000 standard smoothly. Different from the only existing semi-fragile lossless watermarking scheme which uses modulo-256 addition, this method takes special measures to prevent overflow/underflow and hence does not suffer from annoying salt-and-pepper noise. The original cover image can be losslessly recovered if the stego-image has not been altered. Furthermore, the hidden data can be retrieved even after incidental alterations including image compression have been applied to the stego-image. [ABSTRACT FROM AUTHOR]
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Database: Engineering Source
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Abstract:In this paper, a new semi-fragile lossless digital water-marking scheme based on integer wavelet transform is presented. The wavelet family applied is the 5/3 filter bank which serves as the default transformation in the JPEG2000 standard for image lossless compression. As a result, the proposed scheme can be integrated into the JPEG2000 standard smoothly. Different from the only existing semi-fragile lossless watermarking scheme which uses modulo-256 addition, this method takes special measures to prevent overflow/underflow and hence does not suffer from annoying salt-and-pepper noise. The original cover image can be losslessly recovered if the stego-image has not been altered. Furthermore, the hidden data can be retrieved even after incidental alterations including image compression have been applied to the stego-image. [ABSTRACT FROM AUTHOR]
ISSN:10518215
DOI:10.1109/TCSVT.2006.881857