万晓霞, 吴汉颖, 甘朝华. 基于多层次误差扩散加网的数字水印算法研究[J]. 武汉大学学报 ( 信息科学版), 2007, 32(11): 1056-1059.
引用本文: 万晓霞, 吴汉颖, 甘朝华. 基于多层次误差扩散加网的数字水印算法研究[J]. 武汉大学学报 ( 信息科学版), 2007, 32(11): 1056-1059.
shu
WAN Xiaoxia, WU Hanying, GAN Chaohua. Watermarking Algorithm Based on Multi-scale Error Diffusion[J]. Geomatics and Information Science of Wuhan University, 2007, 32(11): 1056-1059.
Citation: WAN Xiaoxia, WU Hanying, GAN Chaohua. Watermarking Algorithm Based on Multi-scale Error Diffusion[J]. Geomatics and Information Science of Wuhan University, 2007, 32(11): 1056-1059.
shu

基于多层次误差扩散加网的数字水印算法研究

Watermarking Algorithm Based on Multi-scale Error Diffusion

    摘要
  • 摘要: 提出了一种结合多层次误差扩散加网(multi-scale error diffusion)的印刷打印图像数字水印算法,将信息隐藏在图像密度较小的区域,提高了水印的检测成功率,为印刷打印数字水印技术的推广提供了一种可供参考和借鉴的方法。

     

    Abstract: A new watermarking algorithm is presented based on multi-scale error diffusion,it hides information in the low dot percentage area,which has better data recovery performance than the area of high dot percentage.This technique enhances the performance of watermark extraction,and provides a new choice for the application of digital watermark in printed images.

     

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