基本的DCT水印嵌入和提取的方法。使用DCT算法嵌入水印信息

3）使用DCT算法提取水印信息

4）对嵌入水印的载体进行不可感知性测试

5）对嵌入水印的载体进行鲁棒性测试。

-Basic DCT watermark embedding and extraction method. 3) using the DCT algorithm to extract the watermark information 4) the carrier of the embedded watermark imperceptibility test 5) vectors of the embedded watermark robustness test using the DCT algorithm embedded watermark information.