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Even though geomatique is so developed nowadays, the integration of spatial data in vector and raster formats is still a very tricky problem in geographic information system environment. And there is ...
The OGC® Web Processing Service (WPS) Interface Standard provides rules for standardizing inputs and outputs (requests and responses) for geospatial processing services, such as polygon overlay. ...
This paper summarizes the general requirements and specific characteristics of both geospatial raster database management system and raster data processing platform from a domain-specific perspective ...
We propose a new approach for the automatic detection of network structures in raster data. The model for the network structure is represented by a graph whose nodes and edges correspond to junction-p...
Vectorization of raster data is very important in GIS. Adjacent vertices of vector graphics usually pass though the same vertical or horizontal straight lines after vectorization. This paper proposes ...
The theoretical foundations and application availability of topological spatial relationship research for three dimensional Geo-entities in raster space are discussed. The digital topology theory is a...
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...
In the geospatial sector big data concept also has already impact. Several studies facing originally computer science techniques applied in GIS processing of huge amount of geospatial data. In other r...
Recent Mars missions like ESA’s Mars Express (MEX) and NASA’s Mars Global Surveyor (MGS) capture the Martian surface at high resolution and in 3D. For instance, the MEX instrument High Resolution Ste...
Navigation is one of the main applications in location based systems. In order to navigate to a destination, a shortest path analysis has to be calculated. Shortest path analyses are commonly based o...
The growing fields of GIS application (local administration, tourism, archaeology, geology, ...) has increased the interest in studying the information sharing from different geographic databases, als...
With the changing status of GIS from desktop to distributed environment, geographic information is more often required to transmit over networks. As geospatial data is in essence of huge volume and co...
The „normal“ product of a TopoSys DEM is a raster based DSM / DTM. A TopoSys DSM / DTM is not a standard product. It is processed for the application of the customer. Because of the high data r...
PROJECTING GLOBAL RASTER DATABASES.
Database updating and maintenance is becoming a more and more frequent operation in national mapping organisations. Major tasks are the change detection and extraction and its integration in the exist...

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