PDF417 code was examined with LS4804 scanning spear and auto-updated module data when material was moved out and checked.
出库和盘存采用LS4804扫描枪验明物资条码并自动更新库存模块信息。
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。
Meanwhile, an error correction coding and decoding table-checking method suitable to PDF417 was proposed, which could decide any code corresponding to the power of the element in GF (929).
同时提出一种适用于PDF417纠错编码和译码的查表方法，可以简单确定任意码字在GF(929)内所对应的本原元的幂次。
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