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Towards optimal relief representation from Mars imagery by combination of DEM and shape-from-shading
Mars imagery combination DEM shape-from-shading
2016/5/20
Described are experimental results of a first approach towards optimal shaded relief representation of the surface of Mars derived from Viking Orbiter digital imagery. The complex problem addresses ho...
A Hierarchical Representation of Line-Region Topological Relations
Topological relations hierarchy topological invariant line-region relations
2015/12/1
Topological relations have found applications in many fields such as similarity analysis, spatial query, object matching, inconsistency detection, spatial association rule mining, spatial reasoning, a...
CARTOGRAPHIC REPRESENTATION OF SPATIAL DATA QUALITY IN VGI FOR USERS WITH DIFFERENT SEMANTICS
Spatial Data Quality Users’ Semantics VGI Positional Accuracy Completeness
2015/9/21
Volunteered geographic information is constantly being added, edited or removed by users. Most of VGI users are not experts, thus formal representation of spatial data quality parameters through metad...
3D MODELING AND REPRESENTATION OF “IDEAL CITY” PAINTED BY PIERO DELLA FRANCESCA
Cultural Heritage City Modeling Representation Virtual Reality Visualization Geometry
2015/5/27
Recently, digital archives for cultural heritage or arts and crafts has received attention from possibility that people can appreciate or experience the archaeological objects, the past space or arts ...
SPATIO-TEMPORAL KNOWLEDGE REPRESENTATION AND ANALYSIS FOR EARTHQUAKE DISASTER MANAGEMENT
Knowledge representation disaster management earthquakes spatiotemporal
2015/3/6
This paper examines the importance of integrating different spatial and temporal knowledge representations in order to structure disaster relevant information. Special focus is made here on the human-...
THE CARTOGRAPHIC PROJECTIONS FOR THE REPRESENTATION OF DOUBLE CURVED SURFACES
double curved surface control of topographic instruments geometric models digital images projections
2015/1/6
As is well known, the projection on the plane of a double curved surface is possible only by introducing warping techniques, be these either angular or superficial: the simple execution operation on t...