搜索结果: 1-15 共查到“信息与通信工程 urban”相关记录31条 . 查询时间(0.421 秒)
IDENTIFICATION OF SIMILARITIES AND PREDICTION OF UNKNOWN FEATURES IN AN URBAN STREET NETWORK
urban traffic traffic analysis machine learning clustering
2018/11/9
Accurate predictions of the characteristics of urban streets in particular with respect to the typical traffic situations are crucial for numerous real world applications such as navigation, schedulin...
OBJECT DETECTION IN AIRBORNE LIDAR DATA FOR IMPROVED SOLAR RADIATION MODELING IN URBAN AREAS
Airborne LiDAR 3D Point Cloud Solar Potential 3D Horizon Segmentation Vegetation
2016/2/29
In times of higher market prices of fossil fuels and to meet the increasingly environmental and economic threads of climate change
renewable energy must play a major role for global energy supply. Th...
LIDAR FILTERING ALGORITHMS FOR URBAN FLOOD APPLICATION: REVIEW ON CURRENT ALGORITHMS AND FILTERS TEST
LiDAR Filtering Algorithm Digital terrain model (DTM) Urban flood modelling Classification Urban Flood
2016/2/29
Digital terrain model (DTM) is one of the important input parameters in urban flood application. This is because it influences the
flow direction, flow velocity, flood extend and flood depth. LiDAR ...
AUTOMATIC ROAD EXTRACTION FROM LIDAR DATA BASED ON CLASSIFIER FUSION IN URBAN AREA
LIDAR Road Extraction Classifier Fusion Classifier selection Genetic Algorithm
2016/2/29
LIDAR is a powerful remote sensing technology for acquisition of 3D information from terrain surface. Algorithms used for LIDAR
data in urban area are used mostly to deal with the 3D points cloud an...
A Method on Connection Pool Service for Distributed Heterogeneous Databases in Urban Geographic Information Public Platform
Distributed Database Connection Pool CSCW Data Process Public Platform
2015/12/17
Today with the fast advancement of spatial data acquisition ability, the update circle of data becomes shorter and shorter and the volume of spatial data increases more and more, and distributed stora...
Data Filtering and Feature Extraction of Urban Typical Objects from Airborne LIDAR Point Cloud
LIDAR Filtering Aerial Survey Feature Extraction Buildings Airborne Scanner Systems Urban Planning
2015/12/8
The research in the detection and feature extraction of typical objects in urban areas has intensified. In existing detection technologies, it has been shown that the LIDAR technique is very promising...
A Flow to Generate DEM and Segment Buildingin in Urban Areas from LIDAR Data
Lidar Fusion filter Digital elevation model Connected component labelling Mathematical morphology
2015/12/8
Based on the character of Lidar data，this paper presents a fusion arithmetic to abstract DEM，and presents a flow to get building data from the object data. Firstly, this paper preprocesses the range i...
Pre-classification of Points and Segmentation of Urban Objects by Scan Line Analysis of Airborne LIDAR data
Laser scanning LiDAR airborne remote sensing on-line processing
2015/12/4
Currently available laser scanners are capable of performing hundreds of thousands of range measurements per second at a range resolution of a few centimeters. Despite that increasing performance, up ...
Analysis of Full-Waveform LIDAR Data for an Accurate Classification of Urban Areas
lidar signal processing waveform analysis modelling classification urban
2015/12/4
In contrast to conventional airborne multi-echo laser scanner systems, full-waveform (FW) lidar systems are able to record the entire emitted and backscattered signal of each laser pulse. Instead of c...
Communication and Visualization of 3D Urban Spatial Data According to User Requirements: Case Study of Geneva
urban data three-dimensional user requirements modelling visualization LIDAR
2015/12/2
In 2005, the main commission of the technical services of the city of Geneva launched a study to evaluate which users would potentially be interested to integrate the third dimension in the available ...
Integration of LIDAR and Airborne Imagery for Realistic Visualization of 3D Urban Environments
LiDAR Georeferencing True Orthophoto Generation 3D Visualization Urban Environments
2015/12/2
In its report "State of the World Cities 2006/07", the United Nations states that the number of urban area inhabitants is expected to rise to almost 5 billion by 2030, constituting roughly 62% of the ...
URBAN CHANGE EXTRACTION FROM HIGH RESOLUTION SATELLITE IMAGE
Change Detection Large Scale Urban Monitoring Urban Growth PCA NDVI IHS Quickbird
2015/8/31
Very high resolution space borne imagery is essential for a large scale and very detailed urban monitoring and the Quickbird sensor
is one of those. It offers images with a spatial resolution of 0.6...
SEMI-AUTOMATED CLASSIFICATION OF URBAN AREAS BY MEANS OF HIGH RESOLUTION RADAR DATA
High Resolution SAR Urban Areas Detection Contextual Analysis Texture Automation
2015/7/29
Almost two thirds of the world’s population will live in cities by 2030. Thus, human settlements typify the most dynamic regions on
earth. To cope with this development urban planning and management...
TREE-HEIGHT MEASURING CHARACTERISTICS OF URBAN FORESTS BY LIDAR DATA DIFFERENT IN RESOLUTION
LIDAR Urban Vegetation Multiresolution Measurement Accuracy Comparison
2015/7/29
Urban forests are important as valuable green resources to give moisture and tranquillity of mind in our living, requiring an efficient
control of forest increase/decrease and growth rate. In this s...
Design and Performance of a Minimum-Variance Hybrid Location Algorithm Utilizing GPS and Cellular Received Signal Strength for Positioning in Dense Urban Environments
Design Performance Minimum-Variance Hybrid Location Algorithm GPS and Cellular Received Positioning in Dense Environments
2015/6/25
This paper shows how the complementary advantages of GPS and cellular received signal strength (RSS) positioning methods improves hybrid location estimation performance in dense urban environments. In...