全套的DCT域数字水印源代码（本人毕业设计成果）内容包括：水印嵌入，水印检测，攻击实验以测试鲁棒性，重要 BNDUya 参数计算。希望对做数字水印的 nGIsifd 方向有所帮助。 -A full set of DCT domain digital watermarking source code (I graduated design results) include: watermark embedding, watermark detection, attack experiment to test the robustness of the important parameters　BNDUya Calculation. We hope to do digital watermarking　nGIsifd　direction help.