提取水印时不需要原始图像，实现了盲检测。
水印的提取不需要原始图像的参与，实现了盲水印检测。
The watermark does not need origin image so that can implement blind watermark detection.
在水印的提取与检测阶段，本文应用了统计学假设原理，分别实现了对识别水印的盲提取和确认水印的盲检测。
The statistical detection principle is used to achieve the blind extraction of the discriminating watermark and the blind detection of the Confirmable watermark.
在进行水印盲检测时，首先对含水印图象进行归一化处理并提取特征点，然后进行水印提取。
In blind watermark detection process, we also extract the feature point from the normalized image, then extract the watermark.
在进行水印盲检测时，首先对含水印图象进行归一化处理并提取特征点，然后进行水印提取。
In blind watermark detection process, we also extract the feature point from the normalized image, then extract the watermark.
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