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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 ...
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...
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...
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...
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...
An algorithm for building detection in aerial images is presented. The algorithm is based on a combination of unsupervised segmentation and selection of a training set based on existing building regis...
There are several reasons why public health communities do not use information from Earth observations routinely. Most notable among them are: (1) they need science results that verify, validate, and...
INTEGRATIVE GEOSPATIAL DATABASES     Integration  GIS  Databases       2015/8/28
Modern geographical information systems make it possible to integrate information from multiple sources in different forms for querying and analysing information. So the importance of geospatial data...
In this paper an approach to the automatic quality assessment of existing geo-spatial data is presented. The necessary reference information is derived automatically from up-to-date digital remotely ...
In the near future, IGN Belgium will have to produce updated paper maps from a centralised large-scale geographic database. Two options were investigated in a production environment: automatic general...
In almost all areas of our society there is an increasing need for up to date digital map databases. Traditionally, different manual,labour intensive and hence costly methods have been used for map up...
A METHODOLOGY FOR UPDATING GEOGRAPHIC DATABASES USING MAP VERSIONS.
CHANGE DETECTION METHODS FOR THE REVISION OF TOPOGRAPHIC DATABASES.
PROJECTING GLOBAL RASTER DATABASES.

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