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VECTORIZATION OF ROAD DATA EXTRACTED FROM AERIAL AND UAV IMAGERY
Curvature Classification Road datbases Thinning Topology Vectorization
2016/7/27
Road databases are essential instances of urban infrastructure. Therefore, automatic road detection from sensor data has been an important research activity during many decades. Given aerial images in...
Automatic detection of changes in road data bases using satellite imagery
Automatic detection changes satellite imagery
2016/5/20
An automatic procedure is developed for detection of changes between an existing road database and a newly registered satellite image, rectified to an orthophoto.
Road Data Updating Using Tools of Matching and Map Generalization
Map Generalization Updating Road Data Matching Selective Omission
2015/12/16
It is one of the important ways for GIS data updating based on map generalization. This paper analyzes the main steps for road data updating based on map generalization. As the core of this updating p...
AUTOMATIC QUALITY ASSESSMENT OF GIS ROAD DATA USING AERIAL IMAGERY-A COMPARISON BETWEEN BAYESIAN AND EVIDENTIAL REASONING
Database GIS Imagery Networks Parameters Quality Reliability
2015/8/7
This paper describes the framework for automatic quality assessment of existing geo-spatial data. The necessary reference information is derived from up-to-date digital aerial images via automatic obj...
Improving overland flow routing by incorporating ancillary road data into Digital Elevation Models
Watershed Delineation Road Geographic Information System GIS Flow Direction Digital Elevation Model DEM Hydrological Modeling
2015/8/6
Roads, ditches, and culverts influence hydrological and geomorphological processes significantly. However, most hydrological models continue to rely solely on regional digital elevation models (DEMs) ...
QUALITY CONTROL AND UPDATING OF ROAD DATA BY GIS-DRIVEN ROAD EXTRACTION FROM IMAGERY
QUALITY CONTROL UPDATING ROAD DATA GIS-DRIVEN ROAD EXTRACTION IMAGERY
2015/3/16
QUALITY CONTROL AND UPDATING OF ROAD DATA BY GIS-DRIVEN ROAD EXTRACTION FROM IMAGERY.
Improving overland flow routing by incorporating ancillary road data into Digital Elevation Models
Watershed Delineation Road
2015/1/4
Roads, ditches, and culverts influence hydrological and geomorphological processes significantly. However, most hydrological models continue to rely solely on regional digital elevation models (DEMs) ...
MULTIPLE-MODEL BASED UPDATE OF BELGIAN REFERENCE ROAD DATA
Road database Quality Updating Aerial DEM/DTM Classification Model Change detection
2014/5/8
This paper describes a semi-automatic system for road update based on high resolution orthophotos and 3D surface models. Potential
update regions are identified by an object-wise verification of all...