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VISUAL TOOLS FOR CROWDSOURCING DATA VALIDATION WITHIN THE GLOBELAND30 GEOPORTAL
Crowdsourcing global land cover visual tools Globeland30 volunteered geographic information sense making visualization
2016/12/1
This research aims to investigate the role of visualization of the user generated data that can empower the geoportal of GlobeLand30 produced by NGCC (National Geomatics Center of China). The focus is...
Landscape Indices Based Two-Rank Sampling for Land Cover Validation
Validation Globalland 30 Sampling Landscape heterogeneity Landscape indices Web-based
2014/7/23
A web-based validation is necessary for assessing the accuracy of Globalland30. As one of the obstacles in validation of global land cover data, it is a challenge to effectively select a reasonable sa...
Validation of CA-Markov for Simulation of Land Use and Cover Change in the Langat Basin, Malaysia
Land Use and Cover Change CA-Markov Calibration Validation
2013/3/5
Validity of CA-Markov in land use and cover change simulation was investigated at the Langat Basin, Selangor, Malaysia. CA-Markov validation was performed using validation metrics, allocation disagree...
THE GLOBAL TANDEM-X DEM: PRODUCTION STATUS AND FIRST VALIDATION RESULTS
TanDEM-X DEM InSAR Global Calibration Mosaic Block Adjustment Validation
2014/4/29
The TanDEM-X mission will derive a global digital elevation model (DEM) with satellite SAR interferometry. Two radar satellites (TerraSAR-X and TanDEM-X) will map the Earth in a resolution and accurac...
VALIDATION OF GEOGRAPHICAL DATASETS AGAINST SPATIAL CONSTRAINTS AT CONCEPTUAL LEVEL
Conceptual Modelling of Spatial Databases, Spatial Integrity Constraints Spatial Data Validation Model-Driven Architecture Geographical Applications Spatial Data Infrastructures
2014/5/9
A huge amount of geographical datasets are becoming available in distributed environments like Spatial Data Infrastructures (SDI). These datasets are very heterogeneous since they come from different ...