Application of Newton s iterative method incoordinate transformation of chart and topographic map;
牛顿迭代法在海图与地形图坐标相互转换中的应用
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。
Research and realization of electronic chart system based on MapObjects;
基于MapObjects开发电子海图系统的研究与实现
Study on the realization algorithms for the simple electronic chart;
简易电子海图的实现算法研究
Study of the display quality of the electronic navigation chart;
电子海图显示精度的研究
Aimed at the current development of ship navigation systems, a Embedded Electronic Navigation Chart(ENC) System is designed and implemented in this dissertation.
针对船舶导航系统的现状，本论文设计实现了一个嵌入式电子海图导航系统，该系统采用32位高性能的嵌入式处理器Intel XScale PXA255，以嵌入式Linux为操作系统，采用嵌入式GUI构建图形用户界面，内置详细电子海图，外接GPS接收装置，实现船舶的电子海图显示、海图作业、航行监测和自动报警等功能。