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In this paper, the author mainly did some research on the high-density 2-dimensional symbol and watermarking technology based on chaos theory. Then designed a static encryption system according to the cipher list based on the discrete chaotic system.
本文主要研究基于混沌理论的高密度图形码和数字水印技术,采用基于离散混沌系统序列密码生成方法构建了静态加密系统。
参考来源 - 高密度图形码及数字水印技术的研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
可标刻各种条码及图形码，并具有反打功能。
It can mark all kinds of bar code and artwork code, and having a function of back marking.
软件及数据的保护措施应加强密码校验、权限控制、图形码技术和数据加密技术。
Software and data's safeguard measure should strengthen cryptogram verify, purview control, graphics technique and data encrypt technique.
针对一类特定的二值图形- pdf417二维图形码，提出了基于边界移位的隐藏信息嵌入算法。
Aiming at a specific binary images-PDF417 2d Barcode, a new information hiding method based on boundary shift was brought up.
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