In this paper, a spread spectrum digital watermark based on Gaussian pyramid decomposition was proposed.

提出了一种基于高斯金字塔分解的数字图像扩频水印技术。

youdao

In this paper, a spread spectrum digital watermark based on Gaussian pyramid decomposition was proposed.

提出了一种基于高斯金字塔分解的数字图像扩频水印技术。

youdao