搜索结果: 91-105 共查到“工学 temporal”相关记录337条 . 查询时间(0.109 秒)
Mining Association Rules in Geographical Spatio-temporal Data
Vegetation Climate Multi-level Fuzzy Association Rules Spatio-temporal Data Mining
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2015/12/2
For the sake of environmental change monitoring, a huge amount of geospatial and temporal data have been acquired through various networks of monitoring stations. For instance, daily precipitation and...
Modelling Multi-temporal Land Use Changes
multi-temporality RS imagery Maxent machine learning urban morphology Wuhan
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2015/12/2
Understanding temporal urban growth is very crucial to the interpretation of urban morphology and a key challenge for the study of rapid urbanization in contemporary China. Previous land use change mo...
A Study of GIS-SD Based Temporal-Spatial Modeling Spatial and Temporal Patterns of Global H5N1 Outbreaks of Water Quality in Water Pollution Accidents
Temporal Spatial Simulation Pollution Decision Support Hydrology
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2015/12/1
In this paper, the one-dimension river quality system dynamics model was applied to the water quality simulation, and the conceptual GIS-SD frame was constructed. Based on the component GIS and system...
Spatio-temporal Object Modeling in Fuzzy Topological Space
Topology Fuzzy Spatial Objects GIS Image Classification
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2015/12/1
Fuzzy spatial objects have become more and more important in GIS applications. When spatial phenomena are generalized by the crisp form, a lot of quantitative information is lost. Land cover as a fuzz...
A Unified Version-Based Spatio-temporal Data Model
Spatio-temporal Data Model Temporal GIS Version Time-varying Spatio-temporal Modelling Database Design
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2015/12/1
Temporal Geographic Information System (TGIS), which aims to collect, manage and analyze dynamic geographic phenomena, is a hot scientific research field. The all-important task of developing a TGIS i...
Multi-temporal Block Adjustment for Aerial Image Time Series: the Belvedere Glacier Case Study
Aerial Triangulation Change Detection Glacier Dynamics accuracy
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2015/12/1
While considering monitoring actions aimed at natural hazards management, an historical research about the investigated phenomenon is mandatory, in order to acquire those data necessary to understand ...
Extending Object-Relational Database to Support Spatio-temporal Data
GIS Temporal Spatio-temporal data modeling Spatio-temporal database Object-relational database
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2015/12/1
Object-Relational Database (ORDB) techniques are developed rapidly in recent years and widely used for spatial data storage and manipulation. The ORDB has strong basis both on theories and application...
Spatial and Temporal Patterns of Global H5N1 Outbreaks
H5N1 GIS Spatial Temporal Global Hot spots
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2015/12/1
The global spread of highly pathogenic avian influenza (H5N1) in wild birds and poultry is considered a significant pandemic threat. Furthermore, human infections resulting from direct contact with in...
A Multi-Agent based Traffic Network Micro-simulation Using Spatio-temporal GIS
Simulation GIS Decision Support System Temporal Spatial Information Sciences
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2015/12/1
A micro-simulation framework allows for the combination of several highly disaggregated models integrating direct representations of individual actors and specific processes within detailed space and ...
Deriving Spatio-Temporal Relations from Simple Data Structure
Data Structure Operation Query Object Spatial Temporal
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2015/12/1
A spatiotemporal data model is incomplete without three components: classes, consistency constraints, and operators. Classes define the structure of the model, constraints enforce consistency in the m...
Dynamic Cartographic Representation of Spatio-Temporal Data
Spatio-temporal Database Spatio-temporal Change Pattern Dynamic symbol base
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2015/12/1
As efforts grow to develop spatio-temporal database systems and temporal geographic information systems that are capable of conveying how geographic phenomena change, it is important to associate the ...
Monitoring of Height Changes in Urban Areas from Multi-Temporal, Multi-Scale and Multi-Platform Remotely Sensed Data
Developing Countries Human Settlement Estimation DEM/DTM IKONOS Aerial Multitemporal Multisensor
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2015/11/23
This study aims to automatically determine changes in urban areas from multi-temporal, multi-scale, and multi-platform remotely sensed data as a base for estimating changes in population. The data set...
A New Approach to Spatio-Temporal Calibration of Multi-sensor Systems
photogrammetry calibration spatio-temporal modeling orientation sensor INS/GPS
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2015/11/20
The purpose of this paper is to propose new, rigorous, more robust and reliable models and methods for the calibration and orientation of multi-sensor systems with INS/GPS data. On the one hand, the c...
A Joint Test Statistic Considering Complex Wishart Distribution Characterization of Temporal Polarimetric Data
polarimetric SAR temporal analysis tracking change detection complex wishart
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2015/11/20
Polarimetric data of distributed scatterers can be fully characterized by the (3 ￡ 3) Hermitian positive definite matrix which follows a complex Wishart distribution under Gaussian assumption. A...
JUDGING AND VISUALISING THE QUALITY OF SPATIO-TEMPORAL DATA ON THE KAKAMEGA-NANDI FOREST AREA IN WEST KENYA
geodata diversity quality parameters quality assessment quality visualisation western Kenya
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2015/9/28
This paper discusses the judgement of data quality for a collection of 132 geodatasets and evaluates different methods of visualising the results for presentation alongside the datasets themselves in ...