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| 彩色扫描地图中线目标的矢量化方法 | |
| 引用本文： | 杨云,朱长青,孙群.彩色扫描地图中线目标的矢量化方法[J].计算机辅助设计与图形学学报,2009,21(4). |
| 作者姓名： | 杨云 朱长青 孙群 |
| 作者单位： | 1. 西安测绘研究所地图学与地理信息工程研究室,西安,710054 2. 南京师范大学虚拟地理环境教育部重点实验室,南京,210046 3. 信息工程大学测绘学院,郑州,450052 |
| 基金项目： | 国家高技术研究发展计划(863计划) |
| 摘 要： | 地图要素的矢量化是从扫描地图中获取地理信息的重要问题之一.通过分析彩色扫描地图的颜色特征,提出了一种线目标半自动矢量化的方法.该方法通过在用户选择的线目标上加一个滑动窗,采用颜色空间转换、K-均值聚类和区域生长相结合的方法对窗口内的当前线目标进行自适应分割;再通过不断地沿前进方向移动窗口和对窗口内的线目标进行分割、细化及序贯跟踪,来完成线目标的矢量化.实验结果表明,文中方法快速、准确、适应性强,对于低对比度、低信噪比的彩色扫描地图尤为有效. |
| 关 键 词： | 彩色地图 矢量化 滑动窗口 图像分割 线跟踪 |
Vectorization of Linear Features on Color Scanned Topographic Maps |
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| Yang Yun,Zhu Changqing,Sun Qun.Vectorization of Linear Features on Color Scanned Topographic Maps[J].Journal of Computer-Aided Design & Computer Graphics,2009,21(4). | |
| Authors: | Yang Yun Zhu Changqing Sun Qun |
| Affiliation: | Department of Cartography and GIS Engineering;Xi'an Research Institute of Surveying and Mapping;Xi'an 710054;Key Laboratory of Virtual Geographic Environment of Ministry of Education;Nanjing Normal University;Nanjing 210046;Institute of Surveying and Mapping;In formation Engineering University;Zhengzhou 450052 |
| Abstract: | Cartographic feature vectorization is one of the most salient problems in the acquisition of geographic information from scanned topographic maps. This paper presents a novel semi-automatic approach to linear feature vectorization based on the analysis of color scanned topographic map features. By the approach,a sliding window is added on a user-given linear feature,and the current linear feature in the window is segmented self-adaptively by using color space conversion,K-means clustering and region growing... |
| Keywords: | color topographic map vectorization sliding window image segment line tracking |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |