【摘要】 利用树状小波分解结合人类视觉系统(HVS)的特性,同时运用线性混合的办法,在载体图像中自适应地嵌入多个数字水印副本;在提取水印时,在每个块中使用独立分量分析ICA的方法提取水印,并对提取出的多个水印副本图像进行融合操作,以提高水印的鲁棒性。仿真试验表明该方法是有效的、可行的。更多还原

【Abstract】 Multiple copies of digital watermarking were embedded into the carrier image using the characters of tree-structured wavelet decomposition and human vision system, and them was extracted based on ICA algorithm .Finally, these extracted copies were fused by PCA image fusion algorithm for improving robustness of digital watermarking. Simulated experiment results show that this method is effective and feasible.更多还原