This is the DCT Digital watermark embedding and extraction procedure!
说明：站长！ 这是DCT域的图像数字水印嵌入及提取程序！
A method of embedding a color digital watermark into a gray level image is proposed.
本文提出一种将彩色数字水印嵌入到灰度级图像中的方法。
Digital watermark technology is the integrality of ownership verifying this data through embedding secret information - the watermark in initial data.
数字水印技术是通过在原始数据中嵌入秘密信息—水印来证实该数据的所有权的完整性。
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