This paper describes the developing process of internationalization of chart cartographic education,and then states the form and content of internationalization of chart cartographic education.
论述了海图制图国际化教育的发展进程,详细阐述了海图制图教育国际化的主要形式和内容,指出了当前海图制图国际化教育存在的主要问题,提出了我国搞好海图制图教育的几点想法。
In view of the existing issues on extraction of vector data from charts, an image recognition method based on wavelet transformation is presented.
针对纸海图到矢量格式电子海图数据的转换过程中存在的问题,提出一种基于小波变换的图像识别方法。