搜索结果: 1-12 共查到“理学 Airborne LiDAR”相关记录12条 . 查询时间(0.224 秒)
FEATURE RELEVANCE ASSESSMENT OF MULTISPECTRAL AIRBORNE LIDAR DATA FOR TREE SPECIES CLASSIFICATION
Multispectral Lidar 3D point clouds Intensity Tree Species Classification Feature Analysis
2018/5/11
The presented experiment investigates the potential of Multispectral Laser Scanning (MLS) point clouds for single tree species classification. The basic idea is to simulate a MLS sensor by combining t...
A THRESHOLD-FREE FILTERING ALGORITHM FOR AIRBORNE LIDAR POINT CLOUDS BASED ON EXPECTATION-MAXIMIZATION
Airborne LiDAR Point clouds Filtering Ground points Expectation-maximization Intensity
2018/5/14
Filtering is a key step for most applications of airborne LiDAR point clouds. Although lots of filtering algorithms have been put forward in recent years, most of them suffer from parameters setting o...
ESTIMATION OF AERODYNAMIC ROUGHNESS AND ZERO PLANE DISPLACEMENT USING MEDIUM DENSITY OF AIRBORNE LIDAR DATA
Airborne LiDAR Aerodynamic Roughness Length Zero Plane Displacement Forest
2016/10/14
This paper presents a framework to estimate aerodynamic roughness over specific height (zo/H) and zero plane displacement (d/H) over various landscapes in Kelantan State using airborne LiDAR data. The...
URBAN MODELING BASED ON SEGMENTATION AND REGULARIZATION OF AIRBORNE LIDAR POINT CLOUDS
idar Building reconstruction Urban area modelling
2015/6/1
This paper presents an approach to process raw lidar 3-D point clouds over urban area and extract terrain, buildings and other urban
features. In the initial step, “non-ground points” are separated ...
Pseudo-Grid Based Building Extraction Using Airborne LIDAR Data
LIDAR Building Extraction Building Detection
2015/6/1
This paper proposed a practical method for building detection and extraction using airborne laser scanning data. The proposed
method consists mainly of two processes: low and high level processes. T...
Observation of a local gravity potential isosurface by airborne lidar of Lake Balaton, Hungary
local gravity potential isosurface airborne lidar of Lake Balaton Hungary
2015/1/6
Airborne lidar is a remote sensing method commonly used for mapping surface topography in high resolution. A water surface in hydrostatic equilibrium theoretically represents a gravity potential isosu...
FILTERING AIRBORNE LIDAR DATA BY AN IMPROVED MORPHOLOGICAL METHOD BASED ON MULTI-GRADIENT ANALYSIS
LIDAR Filtering Airborne laser scanning Morphological gradient DEM
2014/4/24
The technology of airborne Light Detection And Ranging (LIDAR) is capable of acquiring dense and accurate 3D geospatial data. Although many related efforts have been made by a lot of researchers in th...
Estimating mass-wasting processes in active earth slides–earth flows with time-series of High-Resolution DEMs from photogrammetry and airborne LiDAR
mass-wasting processes active earth slides earth flows time-series High-Resolution DEMs
2009/12/16
This paper deals with the use of time-series of High-Resolution Digital Elevation Models (HR DEMs) obtained from photogrammetry and airborne LiDAR coupled with aerial photos, to analyse the magnitude ...
Estimating mass-wasting processes in active earth slides–earth flows with time-series of High-Resolution DEMs from photogrammetry and airborne LiDAR
mass-wasting processes active earth slides earth flows time-series High-Resolution DEMs
2009/12/8
This paper deals with the use of time-series of High-Resolution Digital Elevation Models (HR DEMs) obtained from photogrammetry and airborne LiDAR coupled with aerial photos, to analyse the magnitude ...
Airborne lidar reflectance measurements at 1.57 μm in support of the A-SCOPE mission for atmospheric CO2
Airborne lidar reflectance measurements 1.57 μm A-SCOPE mission atmospheric CO2
2010/2/8
The characteristics of the lidar reflectance of the Earth's surface is an important issue for the IPDA lidar technique (integrated path differential absorption lidar) which is the proposed method for ...
The use of airborne LiDAR data for the analysis of debris flow events in Switzerland
airborne LiDAR data flow events Switzerland
2009/12/31
A methodology of magnitude estimates for debris flow events is described using airborne LiDAR data. Light Detection And Ranging (LiDAR) is a widely used technology to generate digital elevation inform...
Identification and mapping of recent rainfall-induced landslides using elevation data collected by airborne Lidar
Identification mapping recent rainfall-induced landslides elevation data airborne Lidar
2009/12/30
A high resolution Digital Elevation Model with a ground resolution of 2 m×2 m (DEM2) was obtained for the Collazzone area, central Umbria, through weighted linear interpolation of elevation points acq...