摘要
本文把地图要素大致分成点状要素、面状要素和线状要素三部分,从预处理、分色、细化、符号的识别与提取、面状要素的提取和线状要素的提取几个方面对地图要素的识别与提取进行了综述,最后分析了地图要素识别与提取的难点及原因。
Map features include point feature, area feature and linear feature in this paper. This paper reviews map features' identification and extraction from pretreatment, color segmentation, thinning, identification and extraction of symbols, extraction of area feature and of linear feature. This paper, in the end, analyzes the difficulties and reasons of map features' identification and extraction.
出处
《中州大学学报》
2009年第4期115-118,共4页
Journal of Zhongzhou University
基金
中南林业科技大学博士基金(No.07Y007)
关键词
地图要素
识别
提取
研究现状
map feature
identification
extraction
research status