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- 2015-03-16
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Description: In this paper, the amount of embedded watermark information is embedded digital watermarking algorithm exists enough problems for the existing two-dimensional bar code, proposed an optimized digital watermark embedding new ways dimensional bar code, to achieve a real sense of security certificates, two-dimensional bar code depth and breadth of applications in the field of security has greatly improved.
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基于二维条码的数字水印技术研究_何叶.caj
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