scattergram

The content covers three parts:(1) The research of point map mark and the analysis of recognition method in existence.

本文基于地图符号自动识别,从四个方面进行了研究和探讨: (1) 点状地图符号本身特点及现有几种识别方法的研究。

The thesis is based on the automatic recognition of map symbols and consists of four parts:(1)The research of point map mark and the analysis of recognition methods in existence.

本文基于地图符号自动识别，从四个方面进行了研究和探讨：(1)在对点状地图符号特点分析和对现有常用识别方法研究。