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？
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。
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。
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。
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。
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。
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。
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