This paper proposes a blind watermark algorithm which resists against printing and scanning robustly.
本文提出了一种能够抵抗打印扫描的盲水印算法。
Through calculation of the correlation, it is successful to extract the watermark algorithm blind when there are not original vector images.
在提取水印时，通过计算相关度，从而实现了不使用原载体图像就能提取水印的盲算法。
In view of the problem that the pictures on commodities packaging may have distortion in watermark detection process, studies are carried out and a new blind digital watermark algorithm is proposed.
针对商品包装图像在水印检测过程中图像会发生变形的问题展开研究，提出一种基于非均值量化系数特征不变的盲数字水印方案。
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