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基于矩阵变换的矢量地图校正算法 被引量:5

A Sort of Revise Arithmetic Based on Matrix Transform About Vector Map
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摘要 从实用的角度出发 ,阐述了矢量地图在 GIS领域中的重要性 ,并对由纸制地图生成的矢量地图的误差来源进行了分析 .结合矢量地图的格式讨论了如何利用齐次仿射变换矩阵来实现对矢量地图校正的算法 ,使得在仅知若干点精确位置的前提下 ,完成对同一幅图中其余未知精确位置点的同步校正 . This article explained the importance of vector map in GIS, and analyzed the error in the vector map transformed from paper map in practicality. Discussed how to use affine transform matrix to realize the revise arithmetic in the vector map with specific format. On the premise that we just know some points with exact position, we can revise the other points in the same map. This arithmetic proved to be satisfactory in the revise of Wuhan vector map.
出处 《武汉理工大学学报(交通科学与工程版)》 北大核心 2004年第2期274-277,共4页 Journal of Wuhan University of Technology(Transportation Science & Engineering)
基金 国家自然科学基金项目资助 (批准号 :60 0 73 0 5 7)
关键词 GPS GIS 矢量地图 地理信息系统 GPS GIS vector map
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