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。
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？
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。
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。
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。
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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