首先将载体图像经过离散小波变换，然后将待嵌入水印嵌入到经小波变换后的载体图像的低频域中，因为载体图像的低频域在进过一些攻击后表现稳定。-Firstly, the carrier image after discrete wavelet transform, and then be embedded watermark is embedded into the low frequency domain carrier image after wavelet transform of the carrier image, because of the low frequency domain performance stability in scored some attack.