搜索结果: 91-105 共查到“工学 urban areas”相关记录110条 . 查询时间(0.093 秒)
DEVELOPING URBAN METRICS TO DESCRIBE THE MORPHOLOGY OF URBAN AREAS AT BLOCK LEVEL
urban morphology urban block spatial metrics remote sensing Brussels Capital Region
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2014/6/12
This research focuses on the potential of spatial metrics for describing distinct types of urban morphology at block level. Urban blocks typically consist of built-up and non built-...
HIERARCHICAL OBJECT-BASED CLASSIFICATION OF DENSE URBAN AREAS BY INTEGRATING HIGH SPATIAL RESOLUTION SATELLITE IMAGES AND LIDAR ELEVATION DATA
QuickBird Object-oriented classification LiDAR data Urban areas Shadows classification
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2014/6/12
In Portugal, updating municipal plans (1:10 000) isrequired every ten years. High spatial resolution imagery has shown its potential for detailed urban land cover mapping at large scales. However, sha...
AUTOMATIC CHANGE DETECTION IN URBAN AREAS UNDER A SCALE-SPACE, OBJECT-ORIENTED CLASSIFICATION FRAMEWORK
Object-based image analysis multivariate alteration detection morphological scale space filtering
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2014/6/12
In this paper an object-based classification framework is introduced for the automated monitoring of changes in urban areas. Morphological scale space filtering is embedded in the pro...
CONTEXT-SENSITIVE EXTRACTION OF TREE CROWN OBJECTS IN URBAN AREAS USING VHR SATELLITE IMAGES
Object based image analysis tree mapping context classification remote sensing urban areas tree crown identification
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2014/6/12
Municipalities need accurate and updated inventories of urban vegetation in order to manage green resources and estimate the profit of urban forestry activities. Earlier studies using high resolution ...
Semi-Automatic Objects Recognition in Urban Areas Based on Fuzzy Logic
Objects Recognition DSM Fuzzy Logic
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2013/3/5
Three dimensional object extraction and recognition (OER) from geographic data has been definitely one of more important topic in photogrammetry for quite a long time. Today, the capability of rapid g...
Waste Disposal and Pollution Management in Urban Areas: A Workable Remedy for the Environment in Developing Countries
Waste disposal techniques management developing countries
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2010/12/21
Approach: This study highlighted the use of simple, yet efficient waste disposal techniques and recommends the adequate supply and optimal utilization of trashcan and rubbish drums in private and publ...
Updating Large Scale Topographic Databases in Italian Urban Areas with Submeter QuickBird Images
Large Scale Topographic Databases Italian Urban Areas Submeter QuickBird Images
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2009/9/3
This paper presents some tests for the updating of the Italian Raster Regional Technical Map (RRTM) at 1: 10000 scale and of the Italian Vector Technical Map (VTM) at 1: 5000 scale using a submeter Qu...
multitemporal spaceborn sar data for change detection in urban areas:a case study in shanghai
Change detection SAR Minimum-error thresholding Ratio image Modified ratio Urban area
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2016/4/11
The objective of this research is to perform automatic change detection within urban areas using multitemporal spaceborne SAR data in Shanghai. Two scenes of ENVISAT ASAR C-VV images were acquired in ...
Vertical Profile of Ozone and Accompanying Air Pollutant Concentrations Observed at a Downwind Foothill Site of Industrial and Urban Areas
Tethersonde system Ozone Vertical profile Nocturnal inversion Valley-mountain wind circulation
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2016/3/29
This study measured vertical distributions of ozone, sulfur dioxide, nitrogen oxide, carbon monoxide, six biogenic-related volatile
organic compounds, wind vector, humidity and temperature within the...
FUSION OF OPTICAL AND INSAR FEATURES FOR BUILDING RECOGNITION IN URBAN AREAS
Remote Sensing Fusion Feature Extraction InSAR Data Optical Data Urban Area
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2016/3/1
State-of-the-art space borne SAR sensors are capable of acquiring imagery with a geometric resolution of one meter while airborne
SAR systems provide even finer ground sampling distance. In such dat...
VEHICLE ACTIVITY INDICATION FROM AIRBORNE LIDAR DATA OF URBAN AREAS BY BINARY SHAPE CLASSIFICATION OF POINT SETS
Airborne LiDAR Urban areas Vehicle extraction Motion indication Shape analysis
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2016/3/1
This paper presents a generic scheme to analyze urban traffic via vehicle motion indication from airborne laser scanning (ALS) data.
The scheme comprises two main steps performed progressively － veh...
COMPLEX SCENE ANALYSIS IN URBAN AREAS BASED ON AN ENSEMBLE CLUSTERING METHOD APPLIED ON LIDAR DATA
LIDAR Feature Object Extraction Training Fusion Urban Building
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2016/3/1
3D object extraction is one of the main interests and has lots of applications in photogrammetry and computer vision. In recent
years, airborne laser-scanning has been accepted as an effective 3D da...
A FEATURE BASED APPROACH TO AUTOMATIC CHANGE DETECTION FROM LIDAR DATA IN URBAN AREAS
LIDAR Change Detection Classification Segmentation
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2016/2/29
Automatic change detection particularly in urban areas is the important tools for their management and planning. This paper presents
a feature based method to detect changes in urban area using two ...
Impact of Emissions from Power Stations on the Ambient Air Quality of Selected Urban Areas in Kuwait
Air pollution ISCST4.5 sulphur dioxide nitrogen oxide
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2009/1/12
In Kuwait, two main power stations, one comprising of seven-300MW steam generators at Doha and other with eight-300MW steam generators at Subyia cover the major power requirement of Kuwait city. These...
Impact of Emissions from Power Stations on the Ambient Air Quality of Selected Urban Areas in Kuwait
Air pollution ISCST4.5 sulphur dioxide nitrogen oxide
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2009/1/13
In Kuwait, two main power stations, one comprising of seven-300MW steam generators at Doha and other with eight-300MW steam generators at Subyia cover the major power requirement of Kuwait city. These...