The blind watermark is obtained by replacing the value of the embedded pixel of the original host image with the average of adjacent pixels.

通过将水印嵌入点的宿主图像的像素值更改为其近邻像素值的均值，而实现“盲水印”的提取。

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Methods Based on wavelet transform of watermark image and host image, low-frequency ingredient of watermark is embedded in low-frequency part of host image.

方法通过对宿主图像和水印图像的小波变换，该算法把水印图像的低频成分嵌入到原始宿主图像的低频部分。

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The meaningful gray image is serially processed into watermark signal and embedded into the DC elements of the block DCT coefficient matrix of the host image.

该算法是先对有意义的灰度图像进行水印序列化处理后，再将其作为水印信号嵌入到载体图像的分块DCT系数直流分量里。

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You host the image elsewhere to avoid having your webhosting server have to share the image each time someone loads your page.

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