In this article we briefly introduce the theory and characteristic of PDF417 two-dimensional bar code technology and its application in medicine.
简要介绍P DF417二维条码技术的原理、特点及其在医学中的应用。
Methods that 2D-bar code uses in information hiding technology are given and translating information by PDF417 code is realized to make communication information more security.
介绍了二维条码符号表示及纠错码生成，给出二维条码用于信息隐藏技术的方法和途径，实现了用PDF417码传送信息，使通信信息更安全。
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