The main reason is that on the market, OMR is expensive, complexity in use, card required high quality, and so on.

这主要是由于市面上的光电阅读机价格昂贵、使用复杂、卡片质量要求高等等。

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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。

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Two core elements of this thesis are OMR information card and barcode identification.

条形码的识别和OMR信息卡的识别是本文的两个核心内容。

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