搜索结果: 1-15 共查到“遥感信息工程 Database”相关记录34条 . 查询时间(0.046 秒)
Automatic classification of remote sensing data for GIS database revision
Automatic classification remote sensing data GIS database revision
2016/5/23
Geographic information systems (GIS) are dependent on accurate and up-to-date data sets. The manual revision of GIS data is very cost and time consuming. On the other hand more and more high resolutio...
DESIGN OF SPATIO-TEMPORAL DATABASE SYSTEM FOR MINING LAND
Mining land Spatio-temporal Data Database System Mining-land Use Change History database Reality Database
2016/3/17
The principle and method are given to build spatio-temporal database for mining land via analyzing the data storage modes in reality database and history database. Based on building thespatio-temporal...
DATABASE COLLECTION FOR LAND COVER VALIDATION AND MONITORING ON REMOTE SENSING/GIS IN WEST PART OF MONGOLIA
Situ data ISPRS Regional network
2016/1/3
The Research Addresses Two Major objectives related to land cover monitoring in Mongolia. First, we collected of in situ land cover variables by ground truth surveys and then implemented different lan...
CHANGE DETECTION FOR AERIAL PHOTO DATABASE UPDATE
Remote Sensing Change Detection Classification Land Cover Multisensor
2015/12/31
With rapid new technological development during the past 50 years, aerial photos have been increasingly and commonly used not only in geographic information systems but also in various spatially relat...
Monitoring of Earthquakes Activities along the Syrian Rift System (Left-Lateral) by Using Remote Sensing and GIS Database
Remote Sensing Thematic Geology Data Structures SAR DEM/DTM
2015/12/18
Northwest of Syria is part of one of the very active deformation belt on the Earth today. This area and the western part of Syria are located along the great rift system (Left-Lateral or African- Syri...
Linking Multi-scale Representations in a Navigable Database
Road-Network Intersection Multi-Representation Object Link Semantic Relations Data Matching Spatial Aggregation
2015/10/12
As an important component of ITS (Intelligent Transformation System), the road-network features in navigable database are
characterized by multi-scale representations, which means that several repre...
Research on Key Points of 3D Change Detection of Geospatial Database
Change Detection Geospatial Database DEM Aerial Imagery SDM
2015/10/9
Geospatial data is a dynamic representative form of spatial information on surface of the earth. Facts and reasons on terrain changes
are analyzed at first. Changes on the surface of the earth are m...
Change Detection for Updates of Vector Database through Region-based Classification of VHR Satellite Data
Change Detection Database Updating Very High Spatial Resolution Satellite Images
2015/10/9
Until now, interpretation of aerial photographs is a standard tool for monitoring land cover change where fine spatial resolutions are
required and this task is expensive and time-consuming. Though,...
Spatial Database Update and Validation – Current Advances in Theory and Technology
Data Models Data Quality Knowledge Management Rules-based Processing Service Oriented Architecture System Architecture Update Workflow
2015/10/9
The paper summarises the importance of spatial data quality, especially as data is used more and more in automated processes and decision-making, and as data is integrated or ‘joined-up’ from diverse ...
CHANGE DETECTION AND LAND USE/LAND COVER DATABASE UPDATING USING IMAGE SEGMENTATION,GIS ANALYSIS AND VISUAL INTERPRETATION
Land cover database Updating Uncertainty Image segmentation Visual interpretation
2015/9/21
This article presents a hybrid method that combines image segmentation, GIS analysis, and visual interpretation in order to detect discrepancies between an existing land use/cover map and satellite im...
AD HOC MODEL GENERATION USING MULTISCALE LIDAR DATA FROM A GEOSPATIAL DATABASE
LIDAR Database Model Mapping Visualization Urban
2015/9/21
Due to the spread of economically priced laser scanning technology nowadays, especially in the field of topographic surveying and mapping, ever-growing amounts of data need to be handled. Depending on...
ADDING THE THIRD DIMENSION TO A TOPOGRAPHIC DATABASE USING AIRBORNE LASER SCANNER DATA
3D Reconstruction topographic features data fusion laser scanner data segmentation modelling
2015/8/31
Laser altimetry provides reliable and detailed 3D data, which to certain extent, can be processed (semi-)automatically into 3D information. The use of an additional source of information, like 2D GIS ...
ADDING THE THIRD DIMENSION TO A TOPOGRAPHIC DATABASE USING AIRBORNE LASER SCANNER DATA
3D Reconstruction topographic features data fusion laser scanner data segmentation modelling
2015/8/28
Laser altimetry provides reliable and detailed 3D data, which to certain extent, can be processed (semi-)automatically into 3D information. The use of an additional source of information, like 2D GIS ...
PERFORMANCE EVALUATION OF ATOMI SYSTEM FOR ROAD DATABASE UPDATING FROM AERIAL FILM,ADS40,IKONOS AND QUICKBIRD ORTHOIMAGERY
3D road reconstruction automation updating mapping performance evaluation orthoimage IKONOS Quickbird, digital airborne sensor high-resolution satellites
2015/8/7
Automated road extraction from images has drawn considerable attention for decades due to the need for the efficient acquisition and updating of road data for geodatabases. The development of new digi...
EVENT-BASED INCREMENTAL UPDATING OF CADASTRAL DATABASE
Incremental Updating Land Subdivision Events Spatial Changes Topological relationships Automation Cadastral Database Dynamic Operations
2015/6/1
Incremental updating of cadastral database means that master spatial data set is updated when any change (geometric or semantic) occurs, the change can be recorded, updated and provided successively t...