计算机应用研究
計算機應用研究
계산궤응용연구
APPLICATION RESEARCH OF COMPUTERS
2014年
11期
3247-3249
,共3页
罗俊沣%朱欣焰%陈迪%呙维
囉俊灃%硃訢燄%陳迪%咼維
라준풍%주흔염%진적%괘유
多尺度匹配%面状要素匹配%道路网%空间数据库更新
多呎度匹配%麵狀要素匹配%道路網%空間數據庫更新
다척도필배%면상요소필배%도로망%공간수거고경신
multi-scale matching%polygon features matching%road network%spatial database upgrading
为解决多尺度空间数据库关联更新中自动识别匹配同名地理要素的问题,以多尺度面状目标为研究对象,提出先根据小比例尺道路网约束对面状实体集进行粗匹配,再对中间结果进行几何分析和属性匹配的处理方法,建立起针对多尺度数据的关联匹配数据库,确立多尺度数据同名实体的对应关系,为多尺度数据库的一致性维护提供技术保障。实验表明,此方法的匹配效率和查全率都比传统匹配方法有了显著提升,证明了其有效性。
為解決多呎度空間數據庫關聯更新中自動識彆匹配同名地理要素的問題,以多呎度麵狀目標為研究對象,提齣先根據小比例呎道路網約束對麵狀實體集進行粗匹配,再對中間結果進行幾何分析和屬性匹配的處理方法,建立起針對多呎度數據的關聯匹配數據庫,確立多呎度數據同名實體的對應關繫,為多呎度數據庫的一緻性維護提供技術保障。實驗錶明,此方法的匹配效率和查全率都比傳統匹配方法有瞭顯著提升,證明瞭其有效性。
위해결다척도공간수거고관련경신중자동식별필배동명지리요소적문제,이다척도면상목표위연구대상,제출선근거소비례척도로망약속대면상실체집진행조필배,재대중간결과진행궤하분석화속성필배적처리방법,건립기침대다척도수거적관련필배수거고,학립다척도수거동명실체적대응관계,위다척도수거고적일치성유호제공기술보장。실험표명,차방법적필배효솔화사전솔도비전통필배방법유료현저제승,증명료기유효성。
The thesis aims at solving the problems in automatically identifying and matching the geographic elements with the same name during the correlation upgrading of multi-scale spatial database.Taking multi-scale polygon features as the research object,this paper put forward the method by setting a coarse matching of the polygon features under the constraint of road net-work in a small scale,and then made a geometric analysis and attribute matching of the results.Consequently it established a correlation matching database and forms the corresponding relationship among multi-scale data features with the same name, which provided a technical guarantee for the consist maintenance of multi-scale database.Experiments show the efficiency of this method and matching recall rate than the traditional matching method has been significantly improved,demonstrating the effectiveness of the method.