说明：  嵌入水印可以看作是在强背景（原始图像）下叠加一个弱信号（水印）。该程序是基于小波变换的数字水印嵌入程序。
(Embedded watermark can be seen as a superposition of a weak signal (watermark) in Strong (original image) under. The program is based on wavelet transform digital watermark embedding program.)