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Quasi-Copysafe Security of Documents on Normal Papersheets.

机译:普通论文文献的准Copysafe安全性。

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摘要

A combination of 2D barcode with digital signature and normal text with polygonal watermark is proposed. Against synchronization attacks the watermark reference points are also included in the 2D barcode and secured by a digital signature whilst the 2D barcode block(s) are embedded in the text.

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