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DOES THE DATA RESOLUTION/ORIGIN MATTER? SATELLITE,AIRBORNE AND UAV IMAGERY TO TACKLE PLANT INVASIONS
Detection Invasive species Mapping MSS imagery Object- and pixel-based classification Spectral spatial and temporal resolution
2016/11/24
Invasive plant species represent a serious threat to biodiversity and landscape as well as human health and socio-economy. To successfully fight plant invasions, new methods enabling fast and efficien...
Contributions to a quality description of areal objects in spatial data sets
spatial data quality comparison of spatial entities building extraction
2016/5/20
In this paper we present a quality evaluation of two-dimensional building acquisition. We propose methods for identification and quantifi-cation of differences between independently acquired regions, ...
Integrated use of spatial data and learning algorithms to detect water quality trends
Integrated spatial data learning algorithms detect water quality trends
2016/5/20
This paper presents the first results of a study which investigates river basin water quality management based on the ability of GIS to integrate different data sources into a common geographical data...
3D spatial data integration for avalanche risk management
digital terrain model orthophoto thematic mapping data integration avalanche risk management
2016/5/20
The southern part of the Alps is interested by frequent avalanche phenomena. It is very important to provide a suitable method to manage avalanche risk. The usual approach is based on the mapping of t...
RESEARCH ON VEHICLE-BORNE SYSTEM OF 3D SPATIAL DATA ACQUISITION BASED ON POS AND LASER RANGING TECHNOLOGY
POS Laser Scanner CCD Distance Measurement Indicator Vector Sensor Data Acquisition
2016/3/17
Ground spatial data acquisition is a key technology in digital city engineering, It is important to improve the efficiency of data acquisition. The main purpose of this paper is to develop vehicle-bor...
CLOUD-BASED SERVICE FOR BIG SPATIAL DATA TECHNOLOGY IN EMERGENCE MANAGEMENT
Cloud-based service Big Spatial Data Technology Emergence Management
2016/3/17
Following the development of spatial information acquisition technology, more and more spatial data have been collected through various approaches. There has been a full utilization of geospatial info...
A STUDY OF FEATURE POINTS EXTRACTION BASED ON POINT CLOUD DATA SETS AND MODEL SIMPLIFICATION IN GOAF
Feature Points Extraction 3D laser scanner Point Cloud Data Sets Model Simplification Goaf
2016/3/17
The shape measurement of goaf is an important job in mine project. With the rapid development of the measuring equipment, 3D laser scanner, which makes the efficiency of traditional work being improve...
USING SDI AND WFS FOR QUALITY ASSURANCE ON FIELD DATA COLLECTION
SDI Web Feature Services Data Quality Field Data Collection
2015/12/23
Nowadays, various organizations collect new spatial data or update existing ones. If a specific information community collects spatial data with regards to its own requirements, purposes and applicati...
DEVELOPMENT OF 3D MONITORING DATASET FOR SHOP AND OFFICE TENANTS VARIATIONS IN BROAD URBAN AREA BY SPATIO-TEMPORAL INTEGRATING DIGITAL MAPS AND YELLOW PAGE DATA
Spatial Database Spatio-temporal Data Mode Image Understanding Spatial-temporal Analysis Urban Planning Digital Mapping
2015/12/23
Various methods of analysis and dataset have been used for urban studies. However, used urban data often has low spatial resolution,especially regional statistics, though statistical data can cover la...
Evaluation of Large-Scale Storage Systems for Satellite Data in GEO Grid
Data Archiving Analysis Spatial Information Sciences Global-Environmental-Databases
2015/12/18
The Global Earth Observation (GEO) Grid infrastructure is an E-Science infrastructure which enables global research activity and drives geosciences to get a significant discovery or achievement in the...
Mapping Spatial Data Infrastructures to a Grid Environment for Optimized Processing of Large Amounts of Spatial Data
Spatial Data Infrastructure Distributed Processing Grid Computing Service Chains
2015/12/18
Within the scope of processing large amounts of data and complex calculations the use of grid computing is a good choice for achieving high performance, because processing of extensive spatial data ca...
Experience of Russian Geoportals Based on Earth Remote Sensing Data
Geoportals Space Images Geoinformation Services Remote Sensing
2015/12/17
Quick development of information technologies lately had an impact on traditional methods to search, to process and to display geographic information. Obviously this happens due to the geoinformatics ...
Generalization of Fundamental City Spatial Model for the Data Generation Satisfied with User's Requirements
Generalization City Spatial Model Fundamental Model Tailored Model User’s Requirements
2015/12/3
As the Geospatial Technology (GT) grows, the generation and utilization of 3D city spatial model are actively studied. In some applications, the fundamental model is too detail comparing with the leve...
A 3D GIS's Spatial Data Model Based on Cell Complex
3D GIS non manifold cell complex spatial data model spatial data structure
2015/12/3
Based on cell complex theory, after analyzing the corresponding relationship among cell, cell complex and 3D spatial solid, a formal definition for 3D spatial solid is presented. Through analyzing the...
Registration of Spatial data Based on PCA
Registration PCA Coordinate Transformation Spatial Data
2015/12/2
Registration of spatial data based on PCA is advanced in the paper. The principle is that principal components of spatial data set are changed with the coordinate system. For two spatial data sets of ...