After reading and studying some materials on Digital coding image processing and identification technology the general procedure of Coding principle of two-out-of-five Code image processing and identification can be also grasped .

通过阅读学习数字编码、图像处理及识别 相关技术资料， 掌握 五 取 二 码的编码原理及图像处理和识别的一般流程。