计算机科学 ›› 2008, Vol. 35 ›› Issue (3): 97-98.

• • 上一篇    下一篇

基于BIBD的数据库压缩水印技术

栗新宇 王以刚   

  1. 东华大学计算机科学与技术学院,上海201620
  • 出版日期:2018-11-16 发布日期:2018-11-16

LI Xin-Yu, WANG Yi-Gang (College of Computer Science and Technology, Donghua University, Shanghai 201620)   

  • Online:2018-11-16 Published:2018-11-16

摘要: 根据关系数据库的特殊性,结合组合设计的区组设计,本文将BIBD(平衡不完全组设计理论)引入关系数据库数字水印算法。该算法具有隐蔽性好,最大限度降低了对原有数据库的修改,水印恢复不需要原始数据库,且具有很好的灵活性等特点。

关键词: 数据库水印 区组设计 压缩水印

Abstract: According to the specialties of the relational database, this paper proposes a digital watermarking algorithm based on BIBD(Balanced Incomplete Block Design). This algorithm has the characteristics of good hiding and flexible,moreover it can largely reduc

Key words: Database watermark, Block design, Compressed watermark

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