实现指纹图像的细化。 实现指纹图像的特征点提取。 实现特征图像的细化去伪。 编写代码实现上述功能。(The thinning of the fingerprint image is realized. The feature point extraction of fingerprint image is realized. To realize the refinement of the feature image. Write the code to implement t

GIS、CAD、MAPGIS通用全国地名点文件shp(General National Geographical Name Document SHP for GIS, CAD and MAPGIS)