In this article a meaningful public watermark algorithm based on DCT was realized. An idea of controlling the position embedded by the random series was inducted which improved the algorithm.
文中实现了一种有意义的基于DCT的公开水印算法，并引入随机序列控制嵌入位置间隔的思想对算法进行了改进。
A novel public digital watermark algorithm based on image energy and quantization is proposed.
提出了一个新的基于图像能量和量化的公开数字水印算法。
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