PDF417条码 PDF417 barcode
PDF417 barcode PDF417条码
PDF417 Two-dimension Bar code PDF417二维条码
PDF417 bar code symbology specification PDF417条码符号学规范
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。
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