set size effect

On the basis of the visual masking of human visual system,the watermark can be adaptively embedded into host image in the wavelet domain by using group quantization in our algorithm.

以人眼视觉系统的掩蔽特性为基础,提出了一种基于分组量化的自适应半脆弱水印嵌入方案,该方案能够在不参考原始载体的情况下对数字图像同时进行版权保护和内容认证。

Based on human visual system,the watermark can be adaptively embedded into host image in the wavelet domain by using group quantization in our algorithm.

提出了一种用于图像内容认证的半脆弱水印嵌入算法,该算法以人眼视觉特性为基础,能够通过分组量化过程将水印信号自适应嵌入到原始图像的小波域内。