搜索结果: 1-15 共查到“地图制图技术 LiDAR”相关记录31条 . 查询时间(0.12 秒)
AUTOMATIC RIVER NETWORK EXTRACTION FROM LIDAR DATA
Lidar DTM water resources fundamental datasets IGN-ES INSPIRE
2016/11/30
National Geographic Institute of Spain (IGN-ES) has launched a new production system for automatic river network extraction for the Geospatial Reference Information (GRI) within hydrography theme. The...
PROCESSING UAV AND LIDAR POINT CLOUDS IN GRASS GIS
3D rasters decimation sampling binning LAS PDAL PCL Kinect
2016/11/24
Today’s methods of acquiring Earth surface data, namely lidar and unmanned aerial vehicle (UAV) imagery, non-selectively collect or generate large amounts of points. Point clouds from different source...
EXTENSION OF RCC TOPOLOGICAL RELATIONS FOR 3D COMPLEX OBJECTS COMPONENTS EXTRACTED FROM 3D LIDAR POINT CLOUDS
Topological relations planar regions components automatic 3D modelling point cloud
2016/7/27
Topological relations are fundamental for qualitative description, querying and analysis of a 3D scene. Although topological relations for 2D objects have been extensively studied and implemented in G...
APPLICATION AND ANALYSES OF AIRBORNE LIDAR TECHNOLOGY IN TOPOGRAPHIC SURVEY OF TIDAL FLAT AND COASTAL ZONE
Coast Application LIDAR DEM Surveying
2015/12/28
LIDAR(Light Detection and Ranging) is a new technology of acquiring three-dimensional (3D) coordinates with high precise and density, which gathers laser measure distance, computer, GPS(Global Positio...
Toward Continuous and Updated 3D Geospatial Terrain Modelling Based on DTM and LIDAR Data
Spatial Analysis Database Updating Computer Vision Data Integration
2015/12/16
The constant need for updated and accurate representation of our natural environment, which can be produced from various mapping and observation tools, is one of the major missions the geoinformation ...
Approximating LIDAR Ground Elevation Data by Higher-Order Tensor-Product B-Splines
DEM/DTM LIDAR Surface Modelling Reconstruction GIS
2015/12/8
We consider, in this paper, the problem of reconstructing the surface from LIDAR ground elevations. We reconstruct the surface by first rotating the LIDAR scan-lines so that they are parallel to the Y...
Fusion of High-Resolution Aerial Imagery and LIDAR Data for Object-oriented Urban Land-cover Classification Based on SVM
Aerial imagery Light Detection and Ranging Image Fusion Object-oriented Classification Land-cover Classification Support Vector Machine
2015/10/12
We present a new object-oriented land cover classification method based on Support Vector Machine (SVM) by fusing spectral and
textural information of High-Resolution (HR) aerial imagery and Digital...
Building Reconstruction Using LIDAR Data
LIDAR Euler operators Delaunay Triangulation Voronoi Diagram
2015/10/12
City modelling in 3D is an important research topic, practically with more different survey technologies to provide and handle data.
In this paper, we introduce a new multi-stage process to produce a...
AUTOMATIC EXTRACTION OF LARGE COMPLEX BUILDINGS USING LIDAR DATA AND DIGITAL MAPS
LIDAR data Digital Map Building Model Primitives Patches
2015/8/31
As the use of building models are rapidly increased for various applications, many studies have been performed to develop a practical and nearly automatic method to extract such models from various se...
The Importance of Understanding Error in Lidar Digital Elevation Models
Laser Scanning Error Urban Accuracy
2015/7/9
The paper presents the results of an accuracy analysis of a number of gridded Digital Surface Models (DSMs) which have been
created from first return laser scanning (LiDAR) data. DSMs are created usi...
Assessment of Lidar and Digital Camera Data in The Context of Rapid Change Detection Methodologies
LIDAR DEM/DTM Multisensor Change Detection
2015/7/9
Emergency mapping is one of the areas studied by the Centre of Topographic Information within the Emergency Mapping project of
the Natural Hazards and Emergency Response Program of the Earth Science ...
THE USE OF PHOTOGRAMMETRY AND LIDAR FOR LANDSCAPE ROUGHNESS ESTIMATION IN HYDRODYNAMIC STUDIES
Photogrammetry Remote Sensing Environment
2015/6/2
Flooding is a major problem for many countries causing damage to the environment and pressures on human activity. Engineers use
Manning’s coefficient of roughness to determine water flow over floodp...
OBJECT-BASED EVALUATION OF LIDAR AND MULTISPECTRAL DATA FOR AUTOMATIC CHANGE DETECTION IN GIS DATABASES
GIS Change Detection Fusion Classification LIDAR Multispectral
2015/6/1
The automatic interpretation of aerial and satellite images is one of the main important research topics in photogrammetry and image analysis. The aim of the interpretation is the recognition or verif...
COMPUTING AND MONITORING POTENTIAL OF PUBLIC SPACES BY SHADING ANALYSIS USING LIDAR DATA IN 3D CITY MODELS
public spaces tall buildings
2015/5/7
The paper regards specific context of public spaces in “shadow” of tall buildings located in European cities. Majority of tall buildings in European cities were built in last 15 years. Tall building...
HEURISTIC FILTERING AND 3D FEATURE EXTRACTION FROM LIDAR DATA
LIDAR feature extraction building extraction
2015/3/24
The need for a fast, efficient and low cost algorithm for extracting 3D features in urban areas is increasing. Consequently, research
in feature extraction has intensified. In this paper we present ...