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A Novel Robust Reversible Watermarking Scheme Based on IWT

机译:基于IWT的鲁棒可逆水印方案

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This paper proposes a novel robust reversible data hiding scheme. This scheme is realized by two stages, which embed robust watermarks and fragile ones respectively. Firstly, the robust watermarks are embedded into the mid-low frequency coefficients after the image transformed from spatial domain to frequency domain. Then, side information that used to ensure the reversibility is embedded in spatial domain by the form of fragile watermarks. 5-3 integer wavelet transform (IWT) is adopted in this paper, which provides integer-to-integer transformation that ensure the low capacity of the side information. Experimental results verify high performance of robustness and image quality.
机译:本文提出了一种新颖的鲁棒可逆数据隐藏方案。该方案分两个阶段实现,分别嵌入鲁棒水印和脆弱水印。首先,在将图像从空间域转换到频域之后,将鲁棒水印嵌入到中低频系数中。然后,用于确保可逆性的辅助信息通过脆弱的水印形式被嵌入到空间域中。本文采用5-3整数小波变换(IWT),它提供了整数到整数的变换,从而确保了边信息的低容量。实验结果证明了鲁棒性和图像质量的高性能。

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