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Reversible robust data hiding based on wavelet filters modification
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DOI：10.1007/s11042-019-07992-5.png)
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Abstract
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In this paper, a new robust reversible data hiding method is proposed. The method is designed based on wavelet modifications which result in a scalable data hiding scheme. The well-known biorthogonal wavelets are modified according to the watermarking bits. This is done in a way that the embedded bit can easily be interpreted based on the wavelet coefficients of the watermarked image and regardless of its resolution. Following such an algorithm would result in both reversibility and robustness. The proposed method is especially robust against wavelet resolution changing attacks and DWT based compressions. This can be of high value when dealing with low bandwidth communication situations. The practical results show high robustness against signal processing attacks and high PSNR and capacity in lossless scenarios.
Keywords:
Watermarking
Steganography
Digital wavelet transform
Jpeg2000
Scalable data hiding
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