搜索结果: 1-15 共查到“工学 3-D City models”相关记录42条 . 查询时间(0.329 秒)
COMBINING URBAN METABOLISM METHODS AND SEMANTIC 3D CITY MODELS
Stocks and Flows, Urban Metabolism 3D City Model CityGML General Indicator Model GIM Dynamizer
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2018/11/9
he last decade has witnessed increasing interest in the study of urban stocks and flows. This paper provides a literature review for different studies of urban stocks and flows. The review shows that ...
INTEGRATED USE OF REMOTE SENSED DATA AND NUMERICAL CARTOGRAPHY FOR THE GENERATION OF 3D CITY MODELS
3D City Model Numerical cartography SmartCity Data fusion SfM Oblique imagery LiDAR
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2018/6/4
3D city models are becoming increasingly popular and important, because they constitute the base for all the visualization, planning, management operations regarding the urban infrastructure. These da...
CC-Modeler: A topology generator for 3-D city models
3-D City models topology generator building reconstruction visualization
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2016/5/20
In this paper, we introduce a semi-automated topology generator for 3-D objects, CC-Modeler (CyberCity Modeler).Given the data as point clouds measured on Analytical Plotters or Digital Stations, we p...
Fast production of virtual reality city models
city models virtual reality laser scanning
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2016/5/20
Virtual reality applications in the context of urban planning presume the acquisition of 3D urban models. Photo realism can only be achieved if the geometry of buildings is represented by a detailed a...
E-COLLABORATION BETWEEN THE PRIVATE AND THE CIVIL SECTOR: SUPPORT OF LONG-TERM UTILIZATION AND UPDATE OF OFFICIAL 3D CITY MODELS
3D City Model Digital City CityGML
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2016/2/29
Research on the creation and use of 3D city models has made rapid progress recently. An increasing number of cities and regions
now own 3D city models or are planning to use them in the future. Espec...
GENERALIZATION OF SEMANTICALLY ENHANCED 3D CITY MODELS
Generalization City Models 3D
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2016/2/29
With the rapid advances in sensor ?especially laser scanner ?technology and the development of increasingly more sophisticated
algorithms for the extraction of features from the data sets produced by...
TOWARDS SEMANTICALLY ENRICHED 3D CITY MODELS: AN ONTOLOGY-BASED APPROACH
ontologies interoperability CityGML
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2016/2/29
Various urban models have been developed and are used in the urban domain, to perform for example air quality calculation,
building energy consumption analysis or traffic simulation. The use of urban...
METHODS FOR GEOMETRIC DATA VALIDATION OF 3D CITY MODELS
Geometry Validation CityGML 3D city model Requirements Validation Rules Tolerances
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2016/1/18
Geometric quality of 3D city models is crucial for data analysis and simulation tasks, which are part of modern applications of the data (e.g. potential heating energy consumption of city quarters, so...
SPATIO-SEMANTIC COHERENCE IN THE INTEGRATION OF 3D CITY MODELS
3D city models data integration 3D GIS spatio-semantic coherence semantic modelling GML CityGML
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2015/9/28
An increasing number of applications rely on 3D geoinformation. In addition to 3D geometry, these applications particularly require complex semantic information. In the context of spatialdata infrastr...
PRODUCTION OF VEGETATION INFORMATION TO 3D CITY MODELS FROM SPOT SATELLITE IMAGES
Forest mapping satellite imagery 3D city model atmospheric calibration 3D visualisation
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2015/9/17
The paper presents a methodology to produce forest parameters and tree instances to large area 3D maps or city models from satellite images. The process flow includes the calibration of the satellite ...
Automated procedures for creating and updating digital city models using high resolution imagery
Creating Updating Digital City
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2015/9/2
Procedures for creating and updating Digital City Models have evolved significantly during the
past years. New techniques allow a very high degree of automation. Though there still exist
certain dra...
lidar for city models-experiment of las vegas strip
lidar city models-experiment vegas strip
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2015/9/1
LiDAR (Light Detection and Ranging) has its unique capability of mapping terrain features both day and night and measuring areas in the shadows of trees and buildings. We h ave conducted an experiment...
evaluation of the potential of pleaides system for 3d city models production : building, vegetation and dtm extraction
PLEIADES geometric modelling surface reconstruction digital surface models
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2015/9/1
ThePleiades system developed by theFrench space agency CNESshall be ready for launch in early 2009. It deals with a new generation of high resolution optical satellites. The great agility of Pleiades ...
Unified Representation of Three Dimensional City Models
3DCM Abstracted representation LoDs
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2015/8/17
Three-dimensional (3D) representation and visualization of city environments are employed in an increasing number of applications
from the areas of urban planning, city marketing, tourism, facility m...
ACCURACY OF 3D CITY MODELS: EuroSDR comparison
Laser scanning photogrammetry building extraction accuracy
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2015/8/13
The paper focuses on comparing accuracies obtained with photogrammetry and laser scanning in building extraction and partly compares results obtained with various methods. The objective of the EuroSDR...