An intelligent printer card is designed to reduce the main CPUs working load of digital bus protection, which is based on80386EX and used to implement the tasks of printing data processing and print.

为减轻微机母线主保护CPU的工作负荷，开发一个以80386ex为核心的智能打印板完成数据处理及打印任务。

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Dot percentage checking of printing product based on digital image processing was discussed. Working flow of checking algorithm was given and algorithm model was established.

对基于数字图像处理的网点面积率检测算法进行了探讨，给出了算法工作流程并建立了模型。

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