The research of scanning, discerning and vectorization of engineering drawing has been carried out for quite a long-time, but it has not reached the degree of intelligence and understand.
工程图纸扫描识别及矢量化在国内外虽然已经进行了相当长时间的研究，但依然未达到智能理解的程度。
It brings forward three terms which should be contented for the scanned vectorization production, and studies the algorithms for land scanning check based on location relation.
提出了矢量化成果应满足的三个条件，对基于位置关系的地块矢量化成果检核算法进行了研究。
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