一种基于实值离散Gabor变换的数字水印技术
일충기우실치리산Gabor변환적수자수인기술
An Efficient Image Watermarking Scheme Based on Real-valued Discrete Gabor Transform
  • 万方数据
    电脑知识与技术 전뇌지식여기술
    COMPUTER KNOWLEDGE AND TECHNOLOGY
    2015年 3期 187-188 ,共2页

    况伟%张满

    황위%장만

    实值离散Gabor变换%数字水印%Arnold变换 實值離散Gabor變換%數字水印%Arnold變換
    실치리산Gabor변환%수자수인%Arnold변환
    real-valued discrete Gabor transform (RDGT)%digital watermarking%Arnold transformation
    该文在基于DCT的二维实值离散Gabor(RDGT)变换的基础上提出了一种在静态图像中嵌入二维图像作为水印的图像水印实现技术.实验证明,该文所提议的算法具有较好的透明性,对如JPEG有损压缩,剪切,噪声等具有较好的稳健性.
    해문재기우DCT적이유실치리산Gabor(RDGT)변환적기출상제출료일충재정태도상중감입이유도상작위수인적도상수인실현기술.실험증명,해문소제의적산법구유교호적투명성,대여JPEG유손압축,전절,조성등구유교호적은건성.
    An efficient watermarking scheme for digital images is presented, in this paper, based on the 2D real-valued discrete Ga-bor transform (RDGT) by embeddingd 2D image as a meaningful watermark into a static image. Experimental results show good ro-bustness of the approach against JPEG compression and other common image processing manipulations.
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