The correct recognition of bar code image is prerequisite for correct digital leveling with a bar code ruler.
在利用条码标尺定位测量的数字水准仪中，标尺条码图像的正确识别是实现水准测量的前提。
It introduces the application of bar code recognition system in each link of hospital clinic and inpatient department, and the outstanding effect after using the system.
介绍了条形码识别系统在医院门诊及住院处各个环节的应用，使用该系统后所取得的显著成效。
At last, the recognition technology of three-dimensional bar code is discussed and the corresponding recognition algorithm is presented in the paper.
最后研究了三维条码的识别技术，并给出一个三维条码的识别算法框架。
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