这种编码可以在空间通道再现传统条码的全部信息，并具有信息容量大和防伪性好等优点。
Information in the new code can be read through diffraction with the advantages of higher information density and better security feature.
二维条码本身具有高可靠性识读、编码保护源数据、身份识别、纠错等四种安全防伪特性。
The 2-d barcode has four security features: high-level reliable reading ability, encoding to protect original data, identification, and strong correcting ability.
最后，本文实现了一个基于条码自动识读技术的二维条码防伪证件管理系统。
At last, the 2d barcode fabrication prevented certificate management system using barcode recognition technology is introduced.
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