针对扫描矢量化这一数据采集手段，以提高图像质量、数据精度为目的，以教学模型为基础，利用最小二乘原理，详细讨论了扫描后的地形图几何纠正算法。
This paper discussed in detail algorithm of geometric rectification by scanned topographic map based on teaching model with least squares method to heighten image quality and data accuracy.
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。
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.
结合实际项目进行图档管理系统设计与实现，包括扫描图像的矢量化和对图形文档的管理功能。
Design of graphics management system is combined with the practical project, which includes vectorization of engineering drawings and management of graphics.
结合实际项目进行图档管理系统设计与实现，包括扫描图像的矢量化和对图形文档的管理功能。
Design of graphics management system is combined with the practical project, which includes vectorization of engineering drawings and management of graphics.
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