提出一种稳健的盲水印检测技术。
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.
利用对水印加权的分组技术，盲水印检测器在性能上逼近非盲水印检测器。
Moreover, a classification technique of watermark weights is used, which makes the performance of the detector approximate to that of watermark detectors using original host data.
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