An improved perceptually adaptive watermarking algorithm based on DCT is proposed in this paper.

该文基于DCT的自适应水印技术，提出了一种改进的水印算法。

youdao

An improved perceptually adaptive watermarking algorithm based on DCT is proposed in this paper.

该文基于DCT的自适应水印技术，提出了一种改进的水印算法。

youdao