国家自然科学基金(40771171)

作品数：12被引量：44H指数：4
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相关作者：张晶侯晓慧张连均张大鹏袁玉磊更多>>
相关机构：首都师范大学中国石油大学（华东）北京航空航天大学东北农业大学更多>>
相关期刊：《地理与地理信息科学》《测绘与空间地理信息》《Science China(Technological Sciences)》《哈尔滨工业大学学报》更多>>
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A distributed spatial computing prototype system in grid environment被引量：3
《Science China(Technological Sciences)》2010年第S1期25-32,共8页WU Lun,YAN MengLong,GAO Yong,YANG ZhenZhen,ZHAO Yong & CHEN Bin Institute of Remote Sensing and Geographic Information System,Peking University,Beijing 100871,China 
supported by the National High Technology Research and Development Program of China ("863" Program)(Grant Nos.2007AA120502,SQ2008AA12Z2475654);the National Natural Science Foundation of China (Grant Nos.40701134,40771171,40928001);National Key Technologies R&D Program of China (Grant Nos.2006BAJ14B04,2008BAJ11B04)
Digital Earth has been a hot topic and research trend since it was proposed,and Digital China has drawn much attention in China.As a key technique to implement Digital China,grid is an excellent and promising concept ...
关键词：DISTRIBUTED GEOGRAPHIC information processing GRID COMPUTING Digital China GIS 
A semantic geographical knowledge wiki system mashed up with Google Maps被引量：8
《Science China(Technological Sciences)》2010年第S1期52-60,共9页GAO Yong,GAO Song,LI RunQiang & LIU YuInstitute of Remote Sensing and Geographical Information Systems,Peking University,Beijing 100871,China 
supported by the National Hi-Tech Research and Develop-ment Program of China ("863" Project) (Grant No.2007AA120502);the National Key Technologies Research and Development Program of China (Grant Nos.2008BAJ11B04,2006BAJ14B04);the National Natural Science Foundation of China (Grant Nos.40701134,40771171,40928001)
A wiki system is a typical Web 2.0 application that provides a bi-directional platform for users to collaborate and share much useful information online.Unfortunately,computers cannot well understand the wiki pages in...
关键词：GEO-ONTOLOGY SEMANTIC WIKI MASHUP Google MAPS 
A new method of pseudo absence data generation in landslide susceptibility mapping with a case study of Shenzhen被引量：9
《Science China(Technological Sciences)》2010年第S1期75-84,共10页XIAO ChenChao TIAN Yuan SHI WenZhong GUO QingHua WU Lun 
supported by the Research Fund from Hong Kong Polytechnic University(Grant Nos.G-U632,G-YF24);National Key Technologies Research and Development Program of China(Grant Nos.2008BAJ11B04,2006BAJ14B04);National Natural Science Foundation of China(Grant Nos.40928001,40701134,40771171);National High technology Research and Development Program of China("863"Program)(Grant No.2007AA120502)
Landslide susceptibility mapping is a typical two-class classification problem where generating pseudo absence (non-slide) data plays an important role.In this paper,a new method,target space exteriorization sampling ...
关键词：pseudo absence data landslide susceptibility mapping GIS GAM 
Positioning localities from spatial assertions based on Voronoi neighboring被引量：4
《Science China(Technological Sciences)》2010年第S1期143-149,共7页GONG YongXi 1,2,3,LI GuiCai 1,LIU Yu 2 & YANG Jian 1 1 Shenzhen Key Lab of Recycling Economy,Peking University Shenzhen Graduate School,Shenzhen 518055,China 2Institute of Remote Sensing and Geographical Information Systems,Peking University,Beijing 100871,China 3College of Urban and Environmental Science,Peking University,Beijing 100871,China 
supported by the National Hi-Tech Research and Development Program of China(Grant No.2007AA120502);the National Natural Science Foundation of China(Grant Nos.40701134,40771171,40830747,40928001);the National Key Technology R&D Program(GrantNos.2006BAJ14B04,2008BAJ11B04);the National Science Foundation for Post-doctoral Scientists of China(Grant No.20090460125)
With the rapid development of Internet,much spatial information contained in non-structured or semi-structured documents is available on the World Wide Web.In such documents,localities are always textually described u...
关键词：GEOGRAPHIC information science POSITIONING LOCALITY VORONOI neighboring PROBABILITY density function 
Automatic generalization of metro maps based on dynamic segmentation被引量：2
《Science China(Technological Sciences)》2010年第S1期158-165,共8页DONG WeiHua 1,TIAN Yuan 2 & ZHANG Yi 2 1 Institute of Geography and Remote Sensing,Beijing Normal University,Beijing 100875,China 2 Institute of Remote Sensing and Geographic Information System,Peking University,Beijing 100871,China 
supported by the Research Fund for the Doctoral Programof Higher Education(Grant No.20090003120005);the Research Fundfrom State Key Laboratory of Information Engineering in Surveying,Map-ping and Remote Sensing(Grant No.09I03);the National Key Technologies R&D Program of China(Grant Nos.2008BAJ11B04,2006BAJ14B04);the National Natural Science Foundation of China(Grant Nos.40928001,40701134,40771171);the National Hi-Tech Research and Development Program of China("863"Project)(Grant Nos.2007AA120502,2007AA12Z212,2007AA12Z215)
A metro map is usually optimized for the readability of connections and transportation networks structure.In order to assure good readability and meet aesthetic considerations,a set of principles for good metro map la...
关键词：METRO MAPS GENERALIZATION DYNAMIC SEGMENTATION VISUALIZATION 
高分辨率遥感影像道路提取方法综述被引量：9
《测绘与空间地理信息》2010年第4期26-30,共5页张连均 张晶 郭阳 侯晓慧 张大鹏 
国家自然科学基金项目(40771171)资助
从高分辨率影像中提取道路特征信息已成为当前的一个研究热点,首先阐述了道路特征和道路提取的思想,并对研究现状进行了分析,列举了具有代表性的特征提取方法,并对各个方法的特点进行了分析,最后对道路特征提取的研究前景进行了展望。
关键词：高分辨率 遥感影像 道路特征提取 综述 
路径选择中环路倾向性影响因子分析--以北京三环路为例
《地理与地理信息科学》2009年第4期49-52,共4页侯晓慧 张晶 杜冲 张同晨 张连均 
国家自然科学基金项目(40771171);中国大学生环境教育基地科研项目
通过认知实验,探讨出行者倾向于选择环路的影响因子。以北京市三环路为主要研究对象,按照12方向城市坐标框架和三环路路段的现实名称划分特点提出九宫格模式。以两点和封闭曲线的拓扑关系为标准,从道路起点、终点和九宫格的拓扑关系中选...
关键词：路径选择 环路倾向性 拓扑关系 认知实验 
基于B样条小波的动态地形实时绘制被引量：4
《工程图学学报》2009年第1期59-65,共7页陈国军 徐晓莉 张晶 袁玉磊 
国家自然科学基金资助项目(40771171)
形变区域的实时建模与绘制是动态地形应用中的关键技术。论文基于小波变换的静态地形实时绘制的方法,提出了基于B样条小波的动态地形实时绘制方法。在预处理阶段采用基于视点和顶点剔除准则构造多分辨率模型;当发生形变时,提出了插入准...
关键词：计算机应用 动态地形绘制 小波变换 多分辨率模型 帧间连贯性 
地理信息系统的虚拟环境系统构造方法被引量：2
《哈尔滨工业大学学报》2008年第11期1820-1824,共5页张晶 贾利 臧淑英 
国家自然科学基金资助项目(40571126和40771171);北京自然科学基金资助项目(4042011)
为了更有效地对地理信息进行表达和管理,利用虚拟环境系统,结合地理信息系统(GIS)和数据库技术,提出并设计了一种基于GIS技术的虚拟环境系统结构.系统总体由数据库、地理信息管理子系统和虚拟环境子系统组成,研究了GIS地理数据在虚拟环...
关键词：地理信息系统 虚拟环境 数据库 
Topological relations between directed lines and simple geometries被引量：2
《Science China(Technological Sciences)》2008年第S1期91-101,共11页GAO Yong1,ZHANG Yi1,TIAN Yuan1 & WENG JingNong2 1 Institute of Remote Sensing and Geographic Information System,Peking University,Beijing 100871,China 2 Colledge of Software,Beihang University,Beijing 100083,China 
the National Natural Science Foundation of China (Grant Nos. 40701134 and 40771171);the National Hi-Tech Research and Development Program of China (Grant No. 2007AA12Z216)
Directed lines are fundamental geometric elements to represent directed linear en-tities. The representations of their topological relations are so different from those of simple lines that they cannot be solved exact...
关键词：TOPOLOGICAL RELATION directed line SIMPLE geometry INTERSECTION model 
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