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Demand for up-to-date geographic data is increasing due to the fast growth of Geographic Information System (GIS) technology. GIS requires up-to-date data in order to provide reliable answers to geogr...
Digital orthophotos and map revision in national land survey of Finland
Digital orthophotos map revision national land survey Finland
2016/5/20
The production system of middle-scaled topographic maps of the National Land Survey of Finland was re-engineered in 1992-1993 when a new Topographic Data System was introduced. After that data compila...
Revision of built-up areas in a GIS using satellite imagery and GIS data
GIS Update Small-Scale Image Analysis Texture Linear Feature Point Detection
2016/5/20
In general, built-up areas or populated places are significantly changing within the revision interval of a GIS (Geographic Information System) or map. In this paper we present a method by means of wh...
Application of Image Processing and Image Analysis Methods for Large Scale Map Revision
Ikonos Geometric Correction Image Fusion Object Extraction Change Detection Map Revision
2015/12/18
The aim of this study is to use different image analysis and processing methods in order to extract information content needed to update large scale maps. Recently available high resolution satellite ...
Revision and Reconstruction of 3d Building Data by Integrating Starimager/tls Imagery and Complementary Data
Digital Photogrammetry TLS(Three Line Sensor) 3D Mapping,
2015/7/10
Change extraction of building is needed to revise building data effectively. Many change detection algorithms use height
difference analysis using temporal data such as LIDAR. However, remarkable cha...
Revision of Topographic Maps -Results of the Fribourg Test by Commission D of the OEEPE
Topographic Maps -Results Fribourg Test by Commission OEEPE
2015/1/4
Revision of Topographic Maps -Results of the Fribourg Test by Commission D of the OEEPE.
Rationalization of Map Production and Map Revision with Modern Automated and Digitized Photogrammetric Instruments and Technologies
Map Production Map Revision Modern Automated Digitized Photogrammetric Instruments Technologies
2015/1/4
Rationalization of Map Production and Map Revision with Modern Automated and Digitized Photogrammetric Instruments and Technologies.
GIS (Geographic Information System) is widely applied in many scientific domains. However, to keep the database “current” is still a “bottle-neck” which obstacles the application and promotion of GIS ...