二值点阵图的矢量化是图像处理的一个重要课题，现有的矢量化方法在提取建筑物轮廓信息时都存在局限性。
The vectorization for the dot matrix image of binary is an important work in image processing. Existing vectorization methods are not good at extracting building profile information.
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.
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.
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