因此，将现有的纸质地图转换为电子地图，即地图矢量化是当前比较重要的工作。
Therefore, the conversion of maps from paper into digital, namely map-vectorization is very important.
本文提出一个利用判别分析来选取阈值的方法，并已应用在点阵地图矢量化的工作中，取得良好的效果。
This paper puts forward a method to select threshold by discrimination analysis. The method has been applied to vectorization of bit map and got satisfactory effects.
在低成本地理信息系统开发过程中，合适的电子矢量化地图的获得往往不太容易或费用高。
To get appropriate electronic vector maps are often expensive and difficult during the development of a small and low cost GIS.
介绍对二值地图图像矢量化过程中的线跟踪操作之前的去毛刺算法，应用此算法可以得到更好的线跟踪效果。
The paper introduces deburr algorithm before line trace in the course of vector quantization of binary map image, and it can receive better effect through applying for the algorithm.
本文介绍了直接基于彩色地图的交互式矢量化方法。
In this paper, the method of interactive vectorization directly based on color map is introduced.
介绍了图形矢量化与全野外数字内外业一体化的成图过程，并详细介绍了图形矢量化的全过程，图示符号在数字地图中的运用，数字地图图层管理、图层转换。
This paper introduces that the graphic vectorization and the process of this new editing work, graphic mark using in the digital map, transformation between digital map management and coverage.
介绍了图形矢量化与全野外数字内外业一体化的成图过程，并详细介绍了图形矢量化的全过程，图示符号在数字地图中的运用，数字地图图层管理、图层转换。
This paper introduces that the graphic vectorization and the process of this new editing work, graphic mark using in the digital map, transformation between digital map management and coverage.
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