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。

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

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利用拉普拉斯金字塔分解算法对图像进行多分辨率分析，对分解后的图像采用基于区域特征量测的方法进行融合。

This paper adopts a Laplacian Pyramidal decomposition method to analyze two images, And the decomposed images are fused with the method based on regional features measurement.

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首先，通过拉普拉斯金字塔变换将源图像分解为各级分辨率的子图像。

Firstly, the source images are decomposed into sub-images at different scales through Laplacian pyramid transform.

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