搜索结果: 1-15 共查到“测绘科学技术 Databases”相关记录51条 . 查询时间(0.397 秒)
INTEGRATION OF REMOTELY SENSED DATA INTO GEOSPATIAL REFERENCE INFORMATION DATABASES. UN-GGIM NATIONAL APPROACH
Remote sensing UN-GGIM geospatial reference information inter-disciplinary cooperation
2016/11/8
Remote sensing satellites, together with aerial and terrestrial platforms (mobile and fixed), produce nowadays huge amounts of data coming from a wide variety of sensors. These datasets serve as main ...
For a better direction of the development of global environmental databases
Environmental variables Global Database
2016/5/23
This paper is a review of the activity of the ISPRS WG IV/6 which aims to find better direction of the development of global database. There are some problems in developing global databases for mappin...
Updating topographic databases with ARC INFO; client fitted creation of change-only information
topographic databases ARC INFO change-only information
2016/5/20
Most of the existing change-only solutions for updating topologically structured, topographic databases only work in ideal conditions. We therefore decided to develop a new procedure that would also b...
A SUSTAINABLE APPROACH FOR UPGRADING GEOGRAPHIC DATABASES BASED ON HIGH RESOLUTION SATELLITE IMAGERY
Map upgrading Sustainable Development High Resolution Imagery Cartography
2015/12/28
The availability of high-resolution satellite images could be exploited for upgrading geographic databases at medium scales (1:5,000-1:25,000) as alternative to aerial photogrammetry. The paper presen...
SPATIAL QUALITY OF A LANDSLIDE DATABASES OBTAINED WITH DIGITAL PHOTOGRAMMETRY TECHNIQUES
Spatial Quality Landslides Database Digital Photogrammetry
2015/12/28
In this work several techniques for the elaboration of landslides databases are compared. The used techniques are the digitising on ortophotographies, the digitising on aerial photographs and geometri...
UPGRADING FUNDAMENTAL GIS DATABASES FOR NAVIGATION FROM HIGH RESOLUTION SATELLITE IMAGERY
Road Extraction Updating Upgrading Navigation High Resolution
2015/12/23
Upgrading fundamental GIS databases for navigation use is an important work for providing location-based services In this paper, we present a process for extraction road networks in urban city from pa...
AJAX-Based Linkage of Databases for Location-Based-Services: the Online-Campus GIS of the University of Cologne
Internet/Web Navigation Orientation CAD Database Mobile
2015/12/17
This paper presents recent improvements of the CampusGIS of the University of Cologne (http://www.campusgis.de) which is designed, developed and established by the GIS & Remote Sensing research group ...
Creation of Cartographic Databases for Land Use Assessment and Management
Cartography Databases Surveying Software Mapping Analysis Land Use Management
2015/12/16
The cartographic tools have evolved with the time. Today the use of electronic devices and the communication means give cartographers infinite possibilities of a variety of maps. The aim of this work ...
On-Line Integration of Photogrammetric Systems and Spatial Databases for Producing Fully Structured and Consistent Data for GIS
Integration DBMS Photogrammetric Systems On-Line Validation
2015/12/16
Photogrammetric systems are important sources for GIS databases. Currently, the trend towards the integration of photogrammetric systems and spatial databases is increased significantly. Integration o...
Automatic Interpretation of Vector Databases with a Raster-based Algorithm
GIS Analysis Vector Interpretation Data Mining
2015/12/2
Clustering spatial data can be interpreted as a segmentation or classification process for finding meaningful patterns in geospatial databases. Such patterns can be used to adapt further algorithms to...
A GIS in Cultural Heritage Based Upon Multiformat Databases And Hypermedial Personalized Queries
GIS Cultural Heritage Architecture Cartography Databases Photogrammetry
2015/11/12
The Cultural Heritage has been usually studied from an objective perspective, using the objective data that can be collected through quantitative methods as the photogrammetry or the topographical mea...
Generic Framework and Key Issues for Updates Propagation between Heterogeneous Spatial Databases
GIS Database Updates Propagation Schema Matching Updates Retrieval Semantic Transformation Update Integration Consistency Maintenance
2015/10/12
Data updating is a significant stage in the life of a geographical information system (GIS). When geodata producers have finished
updating their own database (named Master Database, MDB), the proble...
Change-only Modeling in Navigation Geo-databases
Change-Only Updating Navigation Road Network GDF
2015/10/12
Navigation geo-database is the foundation and vital component of vehicle navigation system. Now almost geo-database is stored in
hardware, such as CD, DVD. But, with the development of urban constru...
Physical Barrier Detection for Updating of Navigation Databases from High Resolution Satellite Imagery
Update Navigation GIS High Resolution Database Edge Detection
2015/10/12
Updating of navigation databases is an important task to ensure a high level utilization of navigation data. For example, in
fundamental topographic databases roads are often represented as a single...
Data Harmonisation and Optimisation for Development of Multi-scale Vector Databases
Multi-source multi-resolution vector database data Kits imagery requirements and constraints
2015/10/12
The increasing number of Earth observation sensors on the market is making the choice of optimized data sources to serve
operational needs more complex than ever before. Applying a geographic perspe...