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VECTOR AND RASTER DATA STORAGE BASED ON MORTON CODE
Vector and raster Integration Morton code Data storage Georaster
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2018/5/17
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 ...
New implementation of OGC Web Processing Service in Python programming language.PyWPS-4 and issues we are facing with processing of large raster data using OGC WPS
OGC Web Processing Service OGC WPS PyWPS Open Source Software Free Software FOSS4G OSGeo Python Server
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2016/11/24
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. ...
THE DESIGN OF A HIGH PERFORMANCE EARTH IMAGERY AND RASTER DATA MANAGEMENT AND PROCESSING PLATFORM
Raster Database Image Processing Raster Analytics HPC Oracle GeoRaster Platform
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2016/11/8
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 ...
NETWORK DETECTION IN RASTER DATA USING MARKED POINT PROCESSES
Marked point processes RJMCMC graph digital terrain models networks
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2016/7/28
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...
A FAST METHOD OF SMOOTHING VECTOR GRAPH CONVERTED FROM RASTER IMAGE
Smooth Vector Method
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2015/12/31
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 ...
K-ORDER-BASED TOPOLOGICAL RELATIONS OF GEO-ENTITIES IN 3D RASTER SPACE
GIS Model Spatial Raster Three-dimensional Algorithms
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2015/12/23
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...
Automatic Interpretation of Vector Databases with a Raster-based Algorithm
GIS Analysis Vector Interpretation Data Mining
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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...
RASTER DATA PARTITIONING FOR SUPPORTING DISTRIBUTED GIS PROCESSING
GIS GIS data decompositioning Distributed processing Geospatial data association Linked dataset
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2015/9/21
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...
INVESTIGATING FLUVIAL TOPOGRAPHY FORMING PROCESSES OF THE MARTIAN SURFACE BY MEANS OF RASTER BASED GEOMETRY ANALYSIS
DEM/DTM Raster based analysis Mars
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2015/8/28
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...
SHORTEST PATH ANALYSES IN RASTER MAPS FOR PEDESTRIAN NAVIGATION IN LOCATION BASED SYSTEMS
shortest path analysis LBS raster maps
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2015/8/28
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 USABILITY OF VECTORIZATION AND A NEW POINT MATCHING PROCEDURE AS FIRST STEP IN CONFLATING RASTER AND VECTOR MAPS
cartography GIS integration algorithm vector raster
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2015/8/17
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...
A RASTER-BASED MAP INFORMATION MEASUREMENT FOR QOS
Internet/Web GIS Information Measurement Mapping Visualization Services
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2015/6/1
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...
Aspects of Raster DEM Data Derived from Laser Measurements
DSM DTM DEM echo filtering Falcon intensity laserscanning laserscanner data raster data TopoSys
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2015/5/26
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
GLOBAL RASTER DATABASES
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2015/3/16
PROJECTING GLOBAL RASTER DATABASES.
CHANGE DETECTION AND EXTRACTION BETWEEN RASTER MAPS AND LANDSAT 7 IMAGERY
Change detection Landsat 7 imagery scanned maps feature extraction national topographic databases revision
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2015/3/6
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...