Journal of Computer Applications

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Watermarking in binary image based on Arnold transformation

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  • Received:2007-12-19 Revised:1900-01-01 Online:2008-06-01 Published:2008-06-01
  • Contact: Fang LIU

一种基于Arnold变换的二值图像水印算法

刘芳 贾成 袁征   

  1. 北京电子科技学院 信息安全系 北京瑞科网信有限公司 北京电子科技学院 信息安全系
  • 通讯作者: 刘芳

Abstract: In view of the particularity of binary image, a digital watermarking algorithm was proposed for binary image. Watermark was put into an original image by using Arnold transformation and flipping the pixels which met the visual constraints. Experimental results show that the algorithm not only improves the unobtrusiveness and embedding capacity of watermark, but also realizes the blind watermarking.

Key words: digital watermark, binary image, Arnold transformation

摘要: 鉴于二值图像的特殊性,提出了一种适用于二值图像的水印算法。该方案结合Arnold置乱算法,通过翻转图像内满足视觉约束条件的像素来达到添加水印的目的。实验表明,使用该算法不仅改善了水印的不可见性,提高了水印的嵌入容量,而且实现了水印的盲提取。

关键词: 数字水印, 二值图像, Arnold变换