搜索结果: 1-15 共查到“工学 LiDAR point cloud”相关记录16条 . 查询时间(0.084 秒)
3D CITYGML BUILDING MODELLING FROM LIDAR POINT CLOUD DATA
LiDAR point cloud, CityGML LoD1 LoD Smart Cities D building model
2019/2/27
With recent government initiatives for smart cities, 3D virtual city models are in demand for managing and monitoring the urban infrastructure. 3D building models forms an important component of 3D vi...
AUTOMATED BUILDING DETECTION USING RANSAC FROM CLASSIFIED LIDAR POINT CLOUD DATA
LiDAR RANSAC Building Detection Plane Detection Python LAS Point Cloud
2018/11/8
For the past 10 years, the Philippines has seen and experienced the growing force of different natural disasters and because of this the Philippine governement started an initiative to use LiDAR techn...
INTEGRATION OF TREE DATABASE DERIVED FROM SATELLITE IMAGERY AND LIDAR POINT CLOUD DATA
Tree Crown Identification and Delineation Canopy Height Model Lidar Point Cloud Camera Model
2018/11/9
3D tree database provides essential information of tree species abundance, spatial distribution and tree height for forest mapping, sustainable urban planning and 3D city modelling. Fusion of passive ...
INSTANTANEOUS COASTLINE EXTRACTION FROM LIDAR POINT CLOUD AND HIGH RESOLUTION REMOTE SENSING IMAGERY
coastline image segmentation LiDAR region growing
2018/5/14
A new method was proposed for instantaneous waterline extraction in this paper, which combines point cloud geometry features and image spectral characteristics of the coastal zone. The proposed method...
APPLICABILITY ANALYSIS OF CLOTH SIMULATION FILTERING ALGORITHM FOR MOBILE LIDAR POINT CLOUD
LiDAR point cloud Cloth simulation filtering Mobile laser scanning Ground points Non-ground points
2018/5/11
Classifying the original point clouds into ground and non-ground points is a key step in LiDAR (light detection and ranging) data post-processing. Cloth simulation filtering (CSF) algorithm, which bas...
IMAGE-BASED AIRBORNE LiDAR POINT CLOUD ENCODING FOR 3D BUILDING MODEL RETRIEVAL
Point Cloud Encoding Spatial Histogram 3D Model Retrieval Cyber City Modeling
2016/12/1
With the development of Web 2.0 and cyber city modeling, an increasing number of 3D models have been available on web-based model-sharing platforms with many applications such as navigation, urban pla...
CO-REGISTRATION AIRBORNE LIDAR POINT CLOUD DATA AND SYNCHRONOUS DIGITAL IMAGE REGISTRATION BASED ON COMBINED ADJUSTMENT
Airborne LiDAR Point Cloud Data synchronous digital image co-registration combined adjustment
2016/7/4
Aim at the problem of co-registration airborne laser point cloud data with the synchronous digital image, this paper proposed a registration method based on combined adjustment. By integrating tie poi...
LIDAR POINT CLOUD BASED FULLY AUTOMATIC 3D SINGL TREE MODELLING IN FOREST AND EVALUATIONS OF THE PROCEDURE
LIDAR Modelling Aerial Survey Feature Extraction Forestry Inventory Precision
2015/12/23
A whole procedure of fully automatic 3D single tree modelling based on LIDAR point cloud is introduced in the paper. The evaluation of the procedure is then delivered by verifying the modelling result...
Automatic Building Detection from LIDAR Point Cloud Data
Building Detection LIDAR DSM DTM Normalized DSM
2015/12/16
This paper proposes an automatic system which detects buildings in urban and rural areas by the use of first pulse return and last pulse return LIDAR data. Initially both first and last pulse return p...
Classification of LIDAR Point Cloud and Generation of DTM from LIDAR Height and Intensity Data In Forested Area
LIDAR Intensity Skewness Point Cloud DTM Forested Areas
2015/12/8
LIDAR (Light Detection And Ranging) is a mature remote sensing technology which can provide accurate elevation data for both topographic surfaces and above-ground objects. Derivation of accurate digit...
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...
DEVELOPMENT OF A PROCEDURE FOR VERTICAL STRUCTURE ANALYSIS AND 3D-SINGLE TREE EXTRACTION WITHIN FORESTS BASED ON LIDAR POINT CLOUD
Canopy Vertical structure Tree crown 3D model Lidar Point cloud
2015/11/10
A procedure for both vertical canopy structure analysis and 3D single tree extraction based on Lidar raw point cloud is presented in this paper. The whole study area is segmented into small study cell...
FILTERING OF LIDAR POINT CLOUD USING A STRIP BASED ALGORITHM IN RESIDENTIAL MOUNTAINOUS AREAS
Segmentation Filtering LIDAR Point cloud strip based filtering
2014/12/1
Several algorithms have been developed to automatically detect the bare earth in LIDAR point clouds referred to as filtering. Previous experimental study on filtering algorithms determined that in fla...
SURFACE COMPLEXITY COMPONENT OF LIDAR POINT CLOUD ERROR CHARACTERIZATION
Airborne LiDAR DEM Point cloud Surface complexity Accuracy/Error Assessment
2014/4/25
There are several data product characterization methods to describe LiDAR data quality. Typically based on guidelines developed by government or professional societies, these techniques require the st...
FAST OCCLUSION AND SHADOW DETECTION FOR HIGH RESOLUTION REMOTE SENSING IMAGE COMBINED WITH LIDAR POINT CLOUD
Fast Occlusion Shadow High Resolution Remote Sensing LiDAR
2014/4/29
The orthophoto is an important component of GIS database and has been applied in many fields. But occlusion and shadow causes the loss of feature information which has a great effect on the quality of...