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居民地要素化简的形状识别与模板匹配方法
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Journal Article
居民地要素化简的形状识别与模板匹配方法
2016
Overview
针对居民地要素的分布和表达具有典型模板化特点,本文通过对其形状结构和区域环境进行分析,运用形态抽象概括和区域环境典型化基本原则构建一批模板作为居民地目标化简与典型化表达的候选形状,并基于转角函数的形状描述算子,计算居民地目标与模板之间的相似性程度。该方法从形状认知的角度出发,通过寻找与目标形状结构特征相似的模板替换原目标来完成化简操作,能较好地保持居民地目标的整体形状结构特征,同时兼顾了综合前后的面积均衡。通过真实数据进行试验,结果表明该方法具有较强的可靠性和实用性,可规模化应用于地形图上的地图综合实践。
Publisher
Surveying and Mapping Press,武汉大学资源与环境科学学院,湖北 武汉,430079
Subject
