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A new two-level QR code with visual cryptography scheme
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DOI：10.1007/s11042-017-5465-4.png)
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摘要
En 中文
The Quick Response (QR) code is designed for information storage recognizable by machine vision. With the popularity of QR code applications, the security of QR codes becomes hot issues concerned by many scholars. In this paper, a novel QR code with two-level information storage is designed to protect private messages. In the meantime, the public level can be directly decoded by any standard QR reader. In contrast to other studies, the computational complexity of the proposed scheme is reduced by combining with the theory of visual cryptography scheme (VCS). In addition, an important characteristic of the QR code, error correction capability, is preserved in this paper, guaranteeing the robustness to QR code damage. Experimental results and analysis show that the proposed scheme is both feasible and reasonably secure, further enriching the application fields and outperforming the previous schemes significantly.
Keyword:
QR code
Two-level information storage
VCS
Low computational complexity
High error correction
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期刊
IF:
3
论文数:
2.0W
被引数:
3.2W
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