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3D BUILDING MODEL RECONSTRUCTION FROM POINT CLOUDS AND GROUND PLANS
Building reconstruction laser altimetry Hough transform
2015/3/10
Airborne laser altimetry has become a very popular technique for the acquisition of digital elevation models. The high point density that can be achieved with this technique enables applications of la...
INTEGRATION OF POINT CLOUDS ORIGINATED FROM LASER SCANER AND PHOTOGRAMMETRIC IMAGES FOR VISUALIZATION OF COMPLEX DETAILS OF HISTORICAL BUILDINGS
Dense Point Cloud Image Based Point Cloud Laser Scanning Photogrammetry Integration Three-Dimensional Model
2015/3/3
Three-dimensional (3D) models of historical buildings are created for documentation and virtual realization of them. Laser scanning and photogrammetry are extensively used to perform for these aims. T...
MIRROR IDENTIFICATION AND CORRECTION OF 3D POINT CLOUDS
mirror identification jump edge detection panorama creation plane detection 3D point cloud correction
2015/3/3
In terrestrial laser scanning (TLS), the surface geometry of objects is scanned by laser beams and recorded digitally. This produces a discrete set of scan points, commonly referred to as a point clou...
Crop height determination with UAS point clouds
UAS-Photogrammetry 3D-Point Cloud Crop Surface Models
2014/12/4
The accurate determination of the height of agricultural crops helps to predict yield, biomass etc. These relationships are of great importance not only for crop production but also in grassland manag...
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...
Scalable and Detail-Preserving Ground Surface Reconstruction from Large 3D Point Clouds Acquired by Mobile Mapping Systems
Surface reconstruction LiDAR geometry urban mobile mapping
2014/9/9
The currently existing mobile mapping systems equipped with active 3D sensors allow to acquire the environment with high sampling rates at high vehicle velocities. While providing an effective solutio...
A Distance-Weighted Graph-Cut Method for the Segmentation of Laser Point Clouds
Graph cut segmentation laser point cloud
2014/9/9
Normalized Cut according to (Shi and Malik 2000) is a well-established divisive image segmentation method. Here we use Normalized Cut for the segmentation of laser point clouds in urban areas. In part...
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...
Integration of Image Data for Refining Building Boundaries Derived from Point Clouds
Refinement projective geometry roof topology graph shortest cycles
2014/9/9
Geometrically and topologically correct 3D building models are required to satisfy with new demands such as 3D cadastre, map updating, and decision making. More attention on building reconstruction ha...
Comparision of photogrammetric point clouds with BIM building elements for construction progress monitoring
Photogrammetric point clouds construction site monitoring building model
2014/9/9
For construction progress monitoring a planned state of the construction at a certain time (as-planed) has to be compared to the actual state (as-built). The as-planed state is derived from a building...
Filtering of Point Clouds from Photogrammetric Surface Reconstruction
Point Clouds Photogrammetry Laser Scanning Surface Reconstruction Filtering Big Data
2014/7/30
The density and data volumes for recorded 3D surfaces increase steadily. In particular during photogrammetric surface reconstruction and laser scanning applications these volumes often exceed the limi...
Accuracy assessment of building point clouds automatically generated from iphone images
Registration Iterative Closest Points (ICP) Point Clouds LIDAR, Smartphone iPhone 3D City Models Terrestrial Laser Scanning (TLS) Structure from Motion (SfM) Bundle Adjustment Multi-view Photogrammetry Low-cost sensors
2014/7/30
Low-cost sensor generated 3D models can be useful for quick 3D urban model updating, yet the quality of the models is questionable. In this article, we evaluate the reliability of an automatic point c...
A New Framework For Interactive Segmentation of Point Clouds
Point Cloud Segmentation User Visualization Algorithms
2014/7/30
Point cloud segmentation is a fundamental problem in point processing. Segmenting a point cloud fully automatically is very challenging due to the property of point cloud as well as different requirem...
Segmentation of planar surfaces in LiDAR point clouds of an electrical substation by exploring the structure of points neighbourhood
Plane Segmentation LiDAR Point Cloud Processing
2014/7/30
According to the Department of Energy of the USA, today’s electrical distribution system is 97.97% reliable. However, power outages and interruptions still impact many people. Many power outages are c...
Implicit Surface Modeling from Imprecise Point Clouds
Implicit Surface General Lasso Sparse Approximation
2014/4/21
In applying optical methods for automated 3D indoor modelling, the 3D reconstruction of objects and surfaces is very sensitive to both lighting conditions and the observed surface properties, which ul...