This paper presents a visible watermarking algorithm for color images copyright notification on the basis of analyzing color images and related algorithms.
在对彩色图像及相关算法进行分析的基础上，提出了一种适用于彩色图像版权通知的可见数字水印算法。
Firstly, by analyzing former researches and visible watermark characteristics, a visible watermarking algorithm with feature of holding image content is realized.
通过分析前人的研究进展，结合可见水印特性，在小波域实现了一种具有图像内容保持特性的可见水印算法；
The arithmetic bases on the digital seal system. By embedding visible watermarking to the seal image, improving the ability of the seal image to hide information, and obtained good result.
该算法基于电子签章系统，通过在印章图像中嵌入可见数字水印提高印章图像隐藏信息的能力，得到了较好的效果。
By analyzing the characteristics of the brightness and contrast characteristic of the human visual system, an adaptive visible watermarking algorithm based on DCT was proposed in this paper.
分析人类视觉系统的亮度和对比度特性，提出了一种DCT域自适应可见水印算法。
By analyzing the characteristics of the brightness and contrast characteristic of the human visual system, an adaptive visible watermarking algorithm based on DCT was proposed in this paper.
分析人类视觉系统的亮度和对比度特性，提出了一种DCT域自适应可见水印算法。
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