本文通过对数字水印算法的研究和讨论，实现了基于空间域及变换域的

数字水印算法，并进行了相应的鲁棒性测试。

论文首先介绍了数字水印的基本特征、原理以及目前国内外的研究现状

等基本问题，给出了数字水印的理论模型，并根据数字水印的不同特性进行

了分类，为水印算法的提出、实现及测试提供了理论依据。

作为实现数字水印算法的算法理论基础部分，论文介绍了-Based on Digital Watermarking Algorithm of study and discussion, based on the realization of the space domain and transform domain digital watermarking algorithm and the robustness of the corresponding test. Paper first introduced the basic characteristics of digital watermarking, theory and research is currently at home and abroad, the basic problem, given the theoretical model of digital watermarking, digital watermarking based on the different characteristics of the classification, the proposed watermarking algorithm for achieving and provides a theoretical basis for testing. As digital watermarking algorithm based on the theory of the papers presented