搜索结果: 16-30 共查到“信息与通信工程 urban”相关记录31条 . 查询时间(0.198 秒)
AUTOMATIC ROAD EXTRACTION FROM DENSE URBAN AREA BY INTEGRATED PROCESSING OF HIGH RESOLUTION IMAGERY AND LIDAR DATA
Extraction Road Multisensor High Resolution
2015/6/1
Automated and reliable 3D city model acquisition is an increasing demand. Automatic road extraction from dense urban areas is a
challenging issue due to the high complex image scene. From imagery, t...
URBAN DENSITY INDICES USING MEAN SHIFT-BASED UPSAMPLED ELEVATION DATA
urban density LiDA Neural Networks
2015/5/7
Urban density is an important factor for several fields, e.g. urban design, planning and land management. Modern remote sensors deliver ample information for the estimation of specific urban land cl...
Automatic Classification of coarse density LiDAR data in urban area
LIDAR Vehicle Classification Airborne Urban PCA NDSM DTM
2014/6/30
The classification of different objects in the urban area using airborne LIDAR point clouds is a challenging problem especially with low density data. This problem is even more complicated if RGB info...
TOWARDS CHANGE DETECTION IN URBAN AREA BY SAR INTERFEROMETRY AND RADARGRAMMETRY
Change detection Urban area InSAR Radargrammetry
2013/4/30
Change detection in urban area is an active topic in remote sensing. However, well-dealt subject in optical remote sensing, this research topic is still at an early stage and needs deeper investigatio...
USING FULL WAVEFORM DATA IN URBAN AREAS
LiDAR waveform classification Self-Organizing Map (SOM) Bayes classifier urban area
2013/4/26
In this paper, the use of waveform data in urban areas is studied. Full waveform is generally used in non-urban areas, where it can provide better vertical structure description of vegetation compared...
ANALYSIS OF THE RELATIONSHIP BETWEEN INTRA-URBAN VEGETATION CHANGE AND SOCIO-ECONOMIC DATA
Data mining Fusion Vegetation Urban Change
2012/7/25
Understanding the vegetation dynamics in urban areas in both quantitative and qualitative aspects is essential to population welfare and also to economic, social and environmental development. However...
RECONSTRUCTION OF BUILDING OUTLINES IN DENSE URBAN AREAS BASED ON LIDAR DATA AND ADDRESS POINTS
LIDAR Point Cloud Algorithms Building Reconstruction
2012/7/24
The paper presents a comprehensive method for automated extraction and delineation of building outlines in densely built-up areas. A novel approach to outline reconstruction is the use of geocoded bui...
PHOTOGRAMMETRY FOR MAPPING UNDERGROUND UTILITY LINES WITH GROUND PENETRATING RADAR IN URBAN AREAS
Automation Orientation Navigation Urban Georeferencing Mobile Sequences Calibration
2012/7/20
Ground Penetrating Radar (GPR) is an active instrument often used to detect underground utility locations up to a few meters. To perform a three-dimensional reconstruction of position and geometry of ...
Variability of Urban Aerosols over Santiago, Chile: Comparison of Surface PM10 Concentrations and Remote Sensing with Ceilometer and Lidar
Aerosols Lidar Ceilometer PM10 Santiago Chile
2012/2/28
Lidar instruments have proven useful for characterizing the structure and dynamics of aerosol layers. We compare here
the diurnal, seasonal and vertical variability of urban aerosols as described by ...
a new urban road detection method in high-resolution images basedon bayesian network
High Resolution Image Road Detection Bayesian Network GIS Guidance
2009/4/11
In view of the fact that road network detection effect in high-resolution image is not satisfying, an approach for road network detection based on Bayesian Network is put forward in this paper. First,...
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
2009/3/1
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
2009/3/1
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
2009/2/19
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 ...
CLUSTERING OF LIDAR DATA USING PARTICLE SWARM OPTIMIZATION ALGORITHM IN URBAN AREA
Clustering LIDAR Particle swarm optimization Urban Area Object Extraction
2009/2/19
One of the fundamental steps in the transformation of the LIDAR data into the meaningful objects in urban area involves their
segmentation into consistent units through a clustering process. Neverth...
AIRBORNE LIDAR FEATURE SELECTION FOR URBAN CLASSIFICATION USING RANDOM FORESTS
Lidar Full-waveform Classifi cation Feature selection Random Forests Urban scenes
2009/2/19
Various multi-echo and Full-waveform (FW) lidar features can be processed. In this paper, multiple classifers are applied to lidar
feature selection for urban scene classification. Random fores...