| 地图数字化的数学基础及在世界地图数字化中的应用 |
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| 引用本文： | 杨晓梅,杨松.地图数字化的数学基础及在世界地图数字化中的应用[J].地球信息科学,2002,4(3):51-54. |
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| 作者姓名： | 杨晓梅 杨松 |
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| 作者单位： | 1. 中科院地理科学与资源研究所资源与环境信息系统国家重点实验室,北京100101;
2. 郑州市市政工程勘察设计研究院, 郑州450052 |
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| 基金项目： | 国家 8 6 3海洋监测技术 2 0 0 1AA6 330 10 |
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| 摘 要： | 地图作为地图数据库、地理信息系统、遥感等最基础和最重要的数据源 ,其精度问题已成为各学科共同关注的问题。本文提出了地图数字化的数学基础 ,详细讨论了两种常用的数据采集模型 :并以世界地图数字化系统为实例 ,介绍了系统的构成 ;并重点讨论了破译地图数学基础的原理和方法。
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| 关 键 词： | 地图数字化 数据采集模型 地图数学基础的识别 |
The Theoretical Foundation of Map Digitization and Its Application in World Map Digitization |
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| YANG Xiaomei,YANG Song.The Theoretical Foundation of Map Digitization and Its Application in World Map Digitization[J].Geo-information Science,2002,4(3):51-54. |
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| Authors: | YANG Xiaomei YANG Song |
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| Institution: | 1. LREIS, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 100101;
2. Zhengzhou Institute of Municipal Engineering and Designing, Zhengzhou 450052 |
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| Abstract: | Maps as being the most fundamental and essential data sources of database as well as GIS and RS, data precision of map digitization has become a matter of common interest to all related disciplines. In this paper, we define the theoretical foundation of digitization, discuss in detail two commonly used data acquiring models, introduce the composition of our digital system for world map, finally we focus our discussion on the principles and methods of probing the mysteries of map. Generally, this paper aims at creating the theoretical foundation of map digitization and improving data precision of map digitization. |
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| Keywords: | map digitization data acquiring model recognition of map mathematical foundation |
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