The watermark in DFRFT domain is added to the secondary visual important part of the original image.

将水印信号的分数傅里叶谱叠加在原始图像在视觉上的次重要分量上。

youdao

The watermark in DFRFT domain is added to the secondary visual important part of the original image.

将水印信号的分数傅里叶谱叠加在原始图像在视觉上的次重要分量上。

youdao