中文说明：图像经小波变换和余弦变换后，进行水印添加，后经反变换重构加水印的图像。
English Description：
After wavelet transform and cosine transform, the watermarked image is added, and then the watermarked image is reconstructed by inverse transform.
Image by wavelet and cosine transform after adding digital watermark matlab code
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中文说明：图像经小波变换和余弦变换后，进行水印添加，后经反变换重构加水印的图像。
English Description：
After wavelet transform and cosine transform, the watermarked image is added, and then the watermarked image is reconstructed by inverse transform.