计算机工程与应用 ›› 2007, Vol. 43 ›› Issue (17): 69-70.

• 学术探讨 • 上一篇    下一篇

基于B-spline矢量图形数字水印方法

范铁生,孟 瑶,房肖冰   

  1. 辽宁大学 信息科学与技术学院,沈阳 110036
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-06-11 发布日期:2007-06-11
  • 通讯作者: 范铁生

Method of vector graphics digital watermarking based on B-spline

FAN Tie-sheng,MENG Yao,FANG Xiao-bing   

  1. Institute of Information Science and Technology,Liaoning University,Shenyang 110036,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-06-11 Published:2007-06-11
  • Contact: FAN Tie-sheng

摘要: 提出了一种针对矢量图形的数字水印算法,用于矢量图形的版权保护。算法利用了B-spline良好的持续逼近曲线形状的特点,将水印嵌入到B-spline的控制点坐标中。经实验证明,该算法对于通常的图形几何变换,如平移、旋转、缩放以及局部修改攻击,均有令人满意的鲁棒性。

关键词: 数字水印, 矢量图形, B-spline

Abstract: This paper presents a method of digital watermarking of vector graphics to protect its authority.The proposed algorithm adds a spread spectrum sequence to the coordinates of the B-spline control points.Robustness to some common manipulations,such as translation,rotation scaling and local modification,have been proved by the experiment.

Key words: digital watermarking, vector graphics, B-spline