搜索结果: 61-75 共查到“知识库 信息处理技术”相关记录5927条 . 查询时间(1.626 秒)
DATA INTEGRATION OF DIFFERENT DOMAINS IN GEO-INFORMATION MANAGEMENT: A RAILWAY INFRASTRUCTURE CASE STUDY
3D city model multi-dimensional modelling multi-source data integration
2018/11/9
A 3D city model is a representation of an urban environment with a three-dimensional geometry of common urban objects and structures, with buildings as the most prominent feature. In the last decades,...
PREDICTION BASED WORKLOAD PERFORMANCE EVALUATION FOR DISASTER MANAGEMENT SPATIAL DATABASE
Disaster Management Large Spatial Database Shortest Path Dijkstra Algorithm
2018/11/9
This paper discusses a prediction based workload performance evaluation implementation during Disaster Management, especially at the response phase, to handle large spatial data in the event of an eru...
MODELING TREES FOR VIRTUAL SINGAPORE: FROM DATA ACQUISITION TO CITYGML MODELS
LiDAR virtual city tree extraction and quantification procedural tree modeling
2018/11/9
Singapore, branded as a “City in a Garden”, has a long standing commitment to green the nation, one which has resulted in trees becoming an integral component of the urban environment. Similarly for i...
AUTOMATED BUILDING DETECTION IN DENSE POINT CLOUD AND UPDATE OF OPEN SOURCE DATA BASES
Dense matching, Building detection Classification Digital Terrain Model openstreetmap point cloud
2018/11/9
In this paper a method of detecting buildings in dense populated city areas using a three-dimensional model, produced by aerial images, is described. Further to the detection of the outline of the bui...
活动轮廓的演化控制及其在铁谱图像分割中的应用
活动轮廓 水平集方法 图像分割 无迹卡尔曼滤波器
2018/7/17
为了提高活动轮廓(active contour, AC)对边缘特征局部极小值的搜索效率, 从而提高其对铁谱图像的分割 速度, 提出了一种基于活动轮廓评价和演化行为控制的图像分割方法. 首先, 设计了一种基于矢量图的边缘指示函 数(edge indicator, EI)的计算方法, 相应的计算结果为活动轮廓模型建立了一个边缘指向更加明确的边缘指示 场(edge indicator field, EI...
HACKING SPATIAL DATA: AN EXAMPLE OF AGGREGATION PROBLEMS
Spatial aggregation Spatial data science Hacking spatial data Spatial autocorrelation
2018/11/8
Many applications using spatially aggregated data tend to treat the spatial units as given. For example, in the United States, analyses using the social and economic data often rely on the existing an...
ADOPTION OF GEOSPATIAL GOVERNANCE IN THE CONTEXT OF E-GOVERMENT IN TANZANIA: ADDRESSING BOTTLENECKS IN SPATIAL DATA INFRASTRUCTURE DEVELOPMENT
geospatial g-governance e-government Spatial Data Infrastructure Digital government
2018/11/8
This study has developed a framework for adoption of geospatial governance in the context of e-government in Tanzania. After examining the governance of geospatial data, identify factors affecting gov...
BUILDING GEOSPATIAL COMPETENCES IN TANZANIAN UNIVERSITIES WITH OPEN SOURCE SOLUTIONS
Geospatial ICT, GIS Geography Institutional Cooperation Higher Education Institutions Tanzania
2018/11/8
The GEO-ICT is an institutional cooperation project aiming at improving the quality and societal relevance of geospatial and ICT research and education at the Universities of Dar es Salaam (UDSM), Ard...
INFACTORY: A RESTFUL API SERVER FOR EASILY CREATING INDOORGML
Data construction Indoor space OGC IndoorGML RESTful API PostGIS
2018/11/8
Recently, services and systems that deal with indoor spatial information are increasing. Each service or system adopts a data model that can store necessary indoor space data according to its purpose....
LINKED DATA VIEWING AS PART OF THE SPATIAL DATA PLATFORM OF THE FUTURE
Linked Data geospatial data GIS viewing aceted browsing data publishing
2018/11/8
The Land Registry and Mapping Agency of the Netherlands (‘Kadaster’ in Dutch) is developing an online publication platform for sharing its geospatial data assets called KDP (`Kadaster Data Platform’ i...
OPEN NETWORK FOR LOCAL SELF SUSTAINABILITY, BOOSTING BIOREGIONAL DEVELOPMENT THROUGH AN OPEN DATA SHARING SYSTEM
Self sustainability Spatial Data Sharing Systems geo-referenced LCA data
2018/11/8
The paper presents an online geodatabase currently under development. Its name is Open NETwork for Local Self Sustainability and the website address is www.oloss.net.The goal of this platform is to pu...
OVERCOMING DATA SCARCITY FOR ENERGY ACCESS PLANNING WITH OPEN DATA – THE EXAMPLE OF TANZANIA
Open data GIS for energy access planning Mini-grids Tanzania SDGs
2018/11/8
The achievement of the United Nations Sustainable Development Goals (SDGs) is heavily influenced by access to data: Data is necessary to assess the current status quo as well as to measure progress an...
信号控制交叉口机动车绿灯间隔—安全可靠度曲线簇
交通工程 绿灯间隔 可靠性理论 安全可靠度 Monte Carlo模拟 曲线簇
2018/11/16
为了提高信号控制交叉口(以下简称为“交叉口”)的安全性，提出一种基于安全可靠度的交叉口机动车绿灯间隔计算方法，并绘制面向工程应用的绿灯间隔—安全可靠度曲线簇. 首先，对经典的交叉口绿灯间隔计算方法进行了归纳；其次，推导出基于安全可靠度的绿灯间隔计算方法公式并对各影响因素进行敏感性分析；再次，基于Monte Carlo算法模拟反应时间与车辆减速度的交互过程，对模型进行求解；最后，根据模拟结果，绘制了...
P2P校园贷款个人违约风险因素指标探析
P2P校园贷款 金融数据挖掘技术 Adaboost算法 校园贷风险管理
2018/5/9
基于美国Lending Club网贷平台，通过探究P2P校园网络贷款真实数据，运用数据挖掘Adaboost算法识别借款人违约风险重要因素指标。结果显示：除借款利率外，社会信用、社会关系资本和还款行为都是影响借款违约风险的重要指标。在此基础上，提出了校园贷款家校知情、社会信用信息共享、加强大学生信用意识培养等降低校园贷款个人违约风险的建议，以期减少校园贷款借款人违约风险。
THE DATA AND SERVICES ANALYSIS OF CHINESE NSDI BASED ON BACKX MODEL
Data and Service Analysis Chinese NSDI Backx Model
2018/5/15
The data and services analysis are indispensable for the refined development of SDI. This paper, taking Chinese NSDI as a study case, analyzed the data and services advantages and shortcomings of Chin...