And the coding arithmetic of three kinds of data compaction modes of PDF417 is expounded.
文中对PDF417的三种数据压缩模式的编码算法有较详细的阐述。
Experimental result shows this method can greatly enhance the recognition speed of PDF417 2d Barcode.
实验表明该方法能显著提高PDF417二维条码的识别速度。
In a PDF417 barcode where number of columns are fixed, how would I calculate the number of rows required for some text?
在一个PDF417条码的列数是固定的，我怎么会计算某些文本所需的行数？
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。
The key point of the paper's work is the design and implementing of PDF417 barcode 'processing and decoding with high speed.
论文工作的重点是对PDF417条码处理算法的设计和应用，以及快速解码的实现。
Aiming at a specific binary images-PDF417 2d Barcode, a new information hiding method based on boundary shift was brought up.
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。
Firstly, it can be obtained 2-value watermark image by PDF417 coding to watermark information and chaotic sequence scrambling.
首先将水印信息进行PDF417编码，并在密钥控制下进行混沌序列置乱后得到二值水印图像；
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。
According to the characteristics of PDF417 and the lifting wavelet transform, a digital image watermark algorithm based on PDF417 and lifting wavelet is proposed in this paper.
根据PDF417与提升小波变换的特点，提出一种基于PDF417和提升小波变换的数字图像水印算法。
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。
Another 2-d barcode format is PDF417, which in macro mode is able to split one large barcode into multiple smaller barcodes, but few non-specialist portable devices support this format.
另一个2 - d条形码格式是PDF417，在宏模式下，它能将一个大的条形码拆分成多个小的条形码，但只有极少数几个非专门的便携设备支持这种格式。
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。
In this paper PDF417 barcode standard and codec are deeply researched, based on which decoding terminal's hardware platform whose core is DSP and software architecture are expounded in detail.
论文在深入研究了PDF417条码的标准和编解码算法的基础上，详细阐述了解码终端以dsp为核心的硬件平台和软件架构。
In this paper PDF417 barcode standard and codec are deeply researched, based on which decoding terminal's hardware platform whose core is DSP and software architecture are expounded in detail.
论文在深入研究了PDF417条码的标准和编解码算法的基础上，详细阐述了解码终端以dsp为核心的硬件平台和软件架构。
应用推荐