Engineering drawing recognition technique aims at converting scanned engineering drawing images into vector formats compatible with CAD systems.

该技术旨在将扫描的工程图像转换为与CAD系统相兼容的矢量数据格式。

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As a very important means in raster-to-vector conversion of engineering drawing, the technique of mixture edition of raster and vector is more and more attached importance to.

作为工程图样矢量转换过程中一个十分重要的手段，光栅图像与矢量图形的混合编辑技术越来越受到人们的重视。

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