PDF417二维条形码识别技术研究

The Research in 2D Bar Code PDF417 Recognition Technology

简要阐述了条形码技术国内外发展状况和二维条形码的编码方法,并对条形码识别过程进行了概述,提出了条码识别过程中图像预处理、二值化、边缘检测等存在的技术难点,并给出了解决方案,指出了条形码识别技术的发展趋势。

This article briefly introduced barcode technology development at home and abroad, and the 2D bar code encod- ing method. And outlined barcode recognition process. Puts forward the technical difficulty of the image pre-processing, binarization, edge detection or the like exists in the barcode recognition process and gives a solution. Finally, the article point- ed out that the bareode recognition technology trends.