城市地图自动输入系统的研究

A Research of Automatic Input System for City Map

介绍了城市地图自动输入系统，内容包括彩色分层、双值化、细化、图文分离、图形符号识别、矢量化、拼接及图形ＣＡＤ，并讨论了对它们的处理方法或算法．

This paper presents a comprehensive description of the automatic input system for the city map. It includes the color slicing, binary, thinning, text string seperation from mixed text-graphics, the recognition of graphic symbols, vectorization, piece together and CAD of graphics. Their processing methods and algorithms are also discussed here.