本文主要的研究内容如下：第一，基于数值型属性的关系数据库水印技术的研究。
In this paper, the study reads as follows: First, based on the numeric attributes of a relational database watermarking technology research.
此外，视频流的分析、图像数据库技术，以及图像、视频的水印技术也极具发展前景。
Besides, video stream analysis, image database technology and video watermark also possess bright application prospect.
数据库技术具有广阔的应用，数据库水印就成为一个研究热点。
Because of the increasing use of relational database, database watermarking technique has become a studying focus.
关系数据库数字水印技术能够很好的解决数据库的版权归属问题。
Relational database digital watermarking technology can be a good solution to the database is a copyright issue.
关系数据库数字水印技术能够很好的解决数据库的版权归属问题。
Relational database digital watermarking technology can be a good solution to the database is a copyright issue.
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