搜索结果: 1-11 共查到“地图制图技术 point clouds”相关记录11条 . 查询时间(0.109 秒)
SCAN-TO-BIM OUTPUT VALIDATION: TOWARDS A STANDARDIZED GEOMETRIC QUALITY ASSESSMENT OF BUILDING INFORMATION MODELS BASED ON POINT CLOUDS
geometric quality assessment scan-to-BIM standardization Building Information Modeling point clouds
2018/3/5
The use of Building Information Modeling (BIM) for existing buildings based on point clouds is increasing. Standardized geometric quality assessment of the BIMs is needed to make them more reliable an...
SEGMENTATION OF LARGE UNSTRUCTURED POINT CLOUDS USING OCTREE-BASED REGION GROWING AND CONDITIONAL RANDOM FIELDS
Segmentation Region Growing Conditional Random Fields Point Clouds
2018/3/5
Point cloud segmentation is a crucial step in scene understanding and interpretation. The goal is to decompose the initial data into sets of workable clusters with similar properties. Additionally, it...
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...
Generative Models and Markov Chain Monte Carlo Techniques for Detection and Reconstruction of Stairs from 2D Point Clouds
Building Stairs Detection Reconstruction Markov Chain Monte Carlo MAP Estimation Generative Model Point Cloud
2015/10/12
The paper describes an approach for the automatical reconstruction of homogeneous straight stairs from point cloud data by using a
generative model and Markov Chain Monte Carlo techniques for estima...
A DATA DRIVEN METHOD FOR BUILDING RECONSTRUCTION FROM LiDAR POINT CLOUDS
3D building model Building extraction Segmentation Edge points detection Line approximation
2014/12/1
Airborne laser scanning, commonly referred to as LiDAR, is a superior technology for three-dimensional data acquisition from Earth's surface with high speed and density. Building reconstruction is one...
Automatic Single Tree Detection in Plantations using UAV-based Photogrammetric Point clouds
Single Tree Detection UAV Palm plantation Structure From Motion Point Clouds Segmentation Terrain Models
2014/9/9
For reasons of documentation, management and certification there is a high interest in efficient inventories of palm plantations on the single plant level. Recent developments in unmanned aerial vehic...
AUTOMATIC PROCEDURE FOR THE REGISTRATION OF THERMOGRAPHIC IMAGES WITH POINT CLOUDS
Architecture automation registration thermal TLS building
2014/4/28
This paper presents a procedure for the automatic registration of thermographies with laser scanning point clouds. Given the heterogeneous nature of the two modalities, we propose a feature-based appr...
CONTINUOUSLY DEFORMATION MONITORING OF SUBWAY TUNNEL BASED ON TERRESTRIAL POINT CLOUDS
Deformation Monitoring Vertical Section Quadric Fitting Random Sample Consensus Terrestrial Laser Scanner (TLS)
2014/4/28
The deformation monitoring of subway tunnel is of extraordinary necessity. Therefore, a method for deformation monitoring based on terrestrial point clouds is proposed in this paper. First, the tradit...
CONTINUOUSLY DEFORMATION MONITORING OF SUBWAY TUNNEL BASED ON TERRESTRIAL POINT CLOUDS
Deformation Monitoring Vertical Section Quadric Fitting Random Sample Consensus Terrestrial Laser Scanner (TLS)
2014/4/28
The deformation monitoring of subway tunnel is of extraordinary necessity. Therefore, a method for deformation monitoring based on terrestrial point clouds is proposed in this paper. First, the tradit...
AUTOMATIC PROCESSING OF MOBILE LASER SCANNER POINT CLOUDS FOR BUILDING FAÇADE DETECTION
Mobile Laser Scanning 3D point clouds Building facades
2014/4/28
Currently, data captured by Mobile Laser Scanners (MLS) is becoming a leading source for the modelling of building façade geometry. Automatic processing of MLS point clouds for feature extraction...