In the design and the implementation of OMR information card processing system, image pre-processing and target point positioning and some other critical technologies are studied in this thesis.
在OMR信息卡处理系统的设计与实现中本文对O MR识别的图像预处理，目标点定位等关键技术进行了重点论述。
Optical mark reader (OMR) system can be used to achieve these aspects.
光电阅读机（OMR）的使用就可以达到上述要求。
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