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Self-embedding watermarking scheme for colour images by bi-level moment-preserving technique

机译：基于双层矩保持技术的彩色图像自嵌入水印方案

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摘要

In this study, the watermarking issue for colour image authentication is presented to resist malicious tampering. The objective of this study is to preserve the colour moments such that the tampered region of the colour image can be recovered with high quality. An input colour image is first partitioned into non-overlapping blocks for watermark embedding. The watermark information embedded into each block consists of the authentication data and the feature information that is given by the bi-level moment-preserving technique. In the proofing process, the authors propose a two-stage dual parity-check method and use morphological operations to prove the validity of the image blocks. The former is proposed to check two set dual authentication data for obtaining better results of tamper proofing and the latter is used to further improve the neighbourhood connectivity of the results. In the recovery process, the feature information of each block is rebuilt for reconstruction. The simulation results show that the proposed self-embedding watermarking scheme is able to effectively prove the tempered region with high detection rate and recover the tempered region with high quality. Meanwhile, the proposed scheme outperforms the relevant existing methods.
机译：在这项研究中，提出了用于彩色图像认证的水印问题以抵抗恶意篡改。这项研究的目的是保留色差，以便可以高质量地恢复彩色图像的被篡改区域。首先将输入的彩色图像划分为非重叠块以进行水印嵌入。嵌入每个块中的水印信息由认证数据和由双层矩保持技术给出的特征信息组成。在打样过程中，作者提出了一种两阶段双重奇偶校验方法，并使用形态学运算来证明图像块的有效性。建议前者检查两组双重身份验证数据以获得更好的防篡改结果，而后者则用于进一步改善结果的邻域连通性。在恢复过程中，重建每个块的特征信息以进行重建。仿真结果表明，所提出的自嵌入水印方案能够有效地证明检测率较高的回火区域，并能以较高的质量恢复回火区域。同时，提出的方案优于现有的相关方法。

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  • 来源
    《Image Processing, IET》 |2014年第6期|363-372|共10页
  • 作者

    Kuo-Cheng Liu;

  • 作者单位

    Information Educating Center, Taiwan Hospitality & Tourism College, Taiwan|c|;

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  • 正文语种 eng
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