The Independent components can be achieved by ICA processing to watermarking information, then, using iterative mixing embeds watermarking and extracting the watermarking by blind JADE algorithm.

• 其思想是：首先对水印图像经过ICA处理得出若干个独立分量水印，利用迭代混合的方法嵌入水印，再利用盲源JADE算法提取水印，从而达到用较小的载体带宽嵌入水印信息的目的。