搜索结果: 1-15 共查到“知识库 测绘科学技术 Spatial Data”相关记录124条 . 查询时间(0.171 秒)
INTEGRATING GEO-SPATIAL DATA FOR REGIONAL LANDSLIDE SUSCEPTIBILITY MODELING IN CONSIDERATION OF RUN-OUT SIGNATURE
Classification Data Mining Geo-Spatial Data Landslide Susceptibility Random Forests Run-out Typhoon Morakot
2016/11/30
This study implements a data mining-based algorithm, the random forests classifier, with geo-spatial data to construct a regional and rainfall-induced landslide susceptibility model. The developed mod...
DEVELOPMENT OF A HETEROGENIC DISTRIBUTED ENVIRONMENT FOR SPATIAL DATA PROCESSING USING CLOUD TECHNOLOGIES
Web-GIS cloud-based distributed computing Earth and planets remote sensing data DEM/DTM three-dimensional visualization virtual globe
2016/11/8
We are developing a unified distributed communication environment for processing of spatial data which integrates web-, desktop- and mobile platforms and combines volunteer computing model and public ...
THE FUNDAMENTAL SPATIAL DATA IN THE PUBLIC ADMINISTRATION REGISTERS
National Spatial Data Infrastructure Fundamental Spatial Data Basic Registers Digital Economy
2016/11/8
The system of basic registers was launched in the Czech Republic in 2012. The system provides a unique solution to centralize and keep actual most common and widely used information as a part of the e...
More and more often people exchange geospatial information. This happens when a user gets data from producer. For a transfer of updated data a producer provides a new geographical dataset to users. No...
Contributions to a quality description of areal objects in spatial data sets
spatial data quality comparison of spatial entities building extraction
2016/5/20
In this paper we present a quality evaluation of two-dimensional building acquisition. We propose methods for identification and quantifi-cation of differences between independently acquired regions, ...
Integrated use of spatial data and learning algorithms to detect water quality trends
Integrated spatial data learning algorithms detect water quality trends
2016/5/20
This paper presents the first results of a study which investigates river basin water quality management based on the ability of GIS to integrate different data sources into a common geographical data...
3D spatial data integration for avalanche risk management
digital terrain model orthophoto thematic mapping data integration avalanche risk management
2016/5/20
The southern part of the Alps is interested by frequent avalanche phenomena. It is very important to provide a suitable method to manage avalanche risk. The usual approach is based on the mapping of t...
RESEARCH ON VEHICLE-BORNE SYSTEM OF 3D SPATIAL DATA ACQUISITION BASED ON POS AND LASER RANGING TECHNOLOGY
POS Laser Scanner CCD Distance Measurement Indicator Vector Sensor Data Acquisition
2016/3/17
Ground spatial data acquisition is a key technology in digital city engineering, It is important to improve the efficiency of data acquisition. The main purpose of this paper is to develop vehicle-bor...
CLOUD-BASED SERVICE FOR BIG SPATIAL DATA TECHNOLOGY IN EMERGENCE MANAGEMENT
Cloud-based service Big Spatial Data Technology Emergence Management
2016/3/17
Following the development of spatial information acquisition technology, more and more spatial data have been collected through various approaches. There has been a full utilization of geospatial info...
MODELING OF CHANGE-ONLY INFORMATION AND UPDATING OF SPATIAL DATA
Geographical Iinformation Science Spatiotemporal Modelling Geo-information Management Database Updating, Change Detection
2015/12/23
We have constructed multi-scales foundational geographical database in china, and have released diverse spatial data and derived products. But how to keep the currency and continual updating of spatia...
Research on China Western Spatial Data Quality Control and Evaluation Technique System
Spatial Data Quality Control Digital Linear Graphic Cloud Model Western Area
2015/12/18
The national western spatial data quality check method based on entity and evaluation method based on the cloud theory and rough set have been put forward according to the National Western Surveying a...
The Danish Way to a National Spatial Data Infrastructure, Poul Frederiksen, National Survey and Cadastre
National Mapping Infrastructure eGovernment Public Administration Standardization
2015/12/18
In Denmark, location is a recognized gateway to eGovernment and public administration. The National Survey and Cadastre (KMS) participates in a range of public partnerships that work towards the gener...
Mapping Spatial Data Infrastructures to a Grid Environment for Optimized Processing of Large Amounts of Spatial Data
Spatial Data Infrastructure Distributed Processing Grid Computing Service Chains
2015/12/18
Within the scope of processing large amounts of data and complex calculations the use of grid computing is a good choice for achieving high performance, because processing of extensive spatial data ca...
Entity Matching in Vector Spatial Data
GIS Vector Data Entity Matching Spatial Relation Spatial Query
2015/12/18
Entity matching is a crucial and hard technology in application of vector spatial data integrating, data updating and map differential analyses. According to the disadvantage of matching algorithms no...
A WebGIS for Spatial Data Processing, Analysis and Distribution for Coastal Investigation and Assessment (Mission 908) in Jiangsu, China
Coast Internet GIS Data Infrastructures Visualization Geographical Services
2015/12/17
In Section 1, the background of the research is introduced. This paper presents the results of efforts for the development and application of a web-based GIS, the Mission 908 WEBGIS, to support the co...