搜索结果: 1-14 共查到“光信息技术 City”相关记录14条 . 查询时间(0.293 秒)
URBAN HEAT ISLAND MICRO-MAPPING VIA 3D CITY MODEL
Urban Heat Island 3D City Models 3D Solar Analysis
2018/9/12
Urban Heat Island (UHI) phenomenon has been a topic of intense study over the past several years. However, to visualise UHI model is still an issue. Common visualisation of UHI by using digital themat...
COMBINING URBAN METABOLISM METHODS AND SEMANTIC 3D CITY MODELS
Stocks and Flows, Urban Metabolism 3D City Model CityGML General Indicator Model GIM Dynamizer
2018/9/12
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 ...
VISIBLE ROUTES IN 3D DENSE CITY USING REINFORCEMENT LEARNING
3D GIS Visibility Routes Reinforcement learning
2018/9/12
In the last few years, the 3D GIS domain has developed rapidly, and has become increasingly accessible to different disciplines. 3D Spatial analysis of Built-up areas seems to be one of the most chall...
EMERGENCY STATE HEALTH SERVICE ACCESSIBILITY VISUALIZATION IN A 3D CITY ENVIRONMENT
3D City Modeling Accessibility Visualization Decision-Making
2015/9/28
In urban emergency management, in order to generate decisions from heterogeneous information types, decision makers must be
able to identify relations between information types. The perception of th...
A HYBRID DECISION SUPPORT SYSTEM FOR 3D CITY PLANNING
Decision Support System Spatial Planning Hybrid System Virtual Reality
2015/8/31
In recent years virtual reality based geographic information systems (VRGIS) have been employed successfully to accomplish city
planning tasks. Tracking technologies and stereoscopic visualization of...
3D CITY MODELING FROM HIGH-RESOLUTION SATELLITE IMAGES
High resolution Processing Feature Extraction City Modelling IKONOS Quickbird
2015/8/17
High-resolution satellite images having a footprint smaller than 5 m are becoming increasingly available. A large number of the high
resolution satellite sensors acquire imagery in a pushbroom mode ...
Image based 3D city modeling : Comparative study
Virtual 3D city model Sketch based 3D model Procedural grammar based 3D model Close Range Photogrammetry based 3D model Computer Vision based 3D model
2014/6/30
3D city model is a digital representation of the Earth’s surface and it’s related objects such as building, tree, vegetation, and some manmade feature belonging to urban area. The demand of 3D city mo...
From sub-optimal datasets to a CityGML-compliant 3D city model: experiences from Trento, Italy
Data integration 3D Virtual city model CityGML
2014/4/23
More and more cities are moving towards the creation and adoption of three-dimensional virtual city models as a means for data integration, harmonisation and storage. To this purpose, CityGML is an in...
TOWARD AUTOMATED FAÇADE TEXTURE GENERATION FOR 3D PHOTOREALISTIC CITY MODELLING WITH SMARTPHONES OR TABLET PCS
Three-dimensional Building Modelling Photo-realism City Model Texture Rendering Direct Georeferencing Automation Digital Close-range Photogrammetry Virtual Reality
2012/7/31
An automated model-image fitting algorithm is proposed in this paper for generating façade texture image from pictures taken by smartphones or tablet PCs. The façade texture generation requi...
PERFORMANCE ASSESSMENT OF FULLY AUTOMATIC THREE-DIMENSIONAL CITY MODEL RECONSTRUCTION METHODS
Building Modelling City DSM/DTM
2012/7/31
Three-dimensional urban region representations can be used for detailed urban monitoring, change and damage detection purposes. In order to obtain three-dimensional representation, one of the easiest ...
A NOVEL 3D CITY MODELLING APPROACH FOR SATELLITE STEREO DATA USING 3D ACTIVE SHAPE MODELS ON DSMS
Building Modelling City DSM/DTM
2012/7/31
Since remote sensing provides new sensors and techniques to accumulate stereo data on urban regions, three-dimensional (3D) repre- sentation of these regions gained much interest for various applicati...
BUILDING ANALYSIS FOR URBAN ENERGY PLANNING USING KEY INDICATORS ON VIRTUAL 3D CITY MODELS – THE ENERGY ATLAS OF BERLIN
Energy Atlas Energy Assessment Energetic City Planning Virtual 3D City Model Urban Information Model CityGML Energetic Key Indicators Urban Energy System
2012/7/27
In the context of increasing greenhouse gas emission and global demographic change with the simultaneous trend to urbanization, it is a big challenge for cities around the world to perform modificatio...
SIMPLIFIED 3D CITY MODELS FROM LIDAR
LiDAR Point Cloud TIN Data Reduction Segmentation Reconstruction 3D City Model
2012/7/25
Aerial laser scan data is widely used to produce 2 1/2D digital elevation models automatically. However, creating full 3D city models from this data is a complex task. A simplified 3D model, like a 2 ...
This paper presents the problem of the current separate treatment of levels of detail in city models. We propose a solution, detail the main principles, and present our initial results on the approach...