Because the watermark embedding and extraction processes have no loss of the information, we can extract the complete information of the Original image from the watermarked image.
由于水印的嵌入和提取过程都是无信息丢失的，所以最终能从含水印的图像中提取出完整的图像信息。
Because the watermark embedding and extraction processes have no loss of the information, we can extract the complete information of the Original image from the watermarked image.
由于水印的嵌入和提取过程都是无信息丢失的，所以最终能从含水印的图像中提取出完整的图像信息。
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