Results 31 to 40 of about 235,860 (270)
Method for extraction of airborne LiDAR point cloud buildings based on segmentation.
PLoS ONE, 2020 The LiDAR technology is a means of urban 3D modeling in recent years, and the extraction of buildings is a key step in urban 3D modeling. In view of the complexity of most airborne LiDAR building point cloud extraction algorithms that need to combine ...
Maohua Liu +6 more
doaj +1 more source
Finite-size scaling of heavy-light mesons [PDF]
, 2009 We study the finite-size scaling of heavy-light mesons in the static limit. The most relevant effects are due to the pseudo-Goldstone boson cloud. In the HMChPT framework we compute two-point functions of left current densitities as well as pseudoscalar ...
Bernardoni, Fabio +2 more
core +2 more sources
Plane-based registration of construction laser scans with 3D/4D building models [PDF]
, 2012 With the development of building information modelling (BIM) and terrestrial laser scanning (TLS) in the architecture, engineering, construction and facility management (AEC/FM) industry, the registration of site laser scans and project 3D (BIM) models ...
Bosché, Frédéric
core +1 more source
3D face recognition using multiview keypoint matching [PDF]
, 2009 A novel algorithm for 3D face recognition based point cloud rotations, multiple projections, and voted keypoint matching is proposed and evaluated. The basic idea is to rotate each 3D point cloud representing an individual’s face around the x, y or z ...
Mayo, Michael, Zhang, Edmond Yiwen
core +2 more sources
RAILWAY LIDAR SEMANTIC SEGMENTATION WITH AXIALLY SYMMETRICAL CONVOLUTIONAL LEARNING [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 This paper presents a new deep-learning-based method for 3D Point Cloud Semantic Segmentation specifically designed for processing real-world LIDAR railway scenes.
A. Manier +4 more
doaj +1 more source
Micelle-mediated separation and cloud-point extraction
TrAC Trends in Analytical Chemistry, 2005 We present contemporary developments in the field of surfactants and micellar systems together with their applications in analysis, with the aim of highlighting some of the most important aspects of this area of research. We pay particular attention to speciation through cloud-point extraction (CPE), as well as to the differentiation of metallic ...
Paleologos, E. K. +2 more
openaire +2 more sources
机车电传动, 2021 In order to realize the intelligent management and maintenance of railway infrastructure, it's necessary to use 3D mobile measurement system to ef fi ciently obtain high-precision point cloud data and intelligently process the point cloud data.
Dongfang ZHANG +4 more
doaj
Sensors, 2022 As one of the best means of obtaining the geometry information of special shaped structures, point cloud data acquisition can be achieved by laser scanning or photogrammetry.
Xinming Pu +3 more
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THE IMPACT OF POINT CLOUD DENSITY ON BUILDING OUTLINE EXTRACTION [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2020 Recently, building outline extraction from point cloud has gained momentum in particular in the context of 3D building modelling based on a data-driven approach, which has also been our motivation. For an accurate building outline extraction from a point
U. Drešček +3 more
doaj +1 more source
Fast and robust 3D feature extraction from sparse point clouds [PDF]
, 2016 Matching 3D point clouds, a critical operation in map building and localization, is difficult with Velodyne-type sensors due to the sparse and non-uniform point clouds that they produce.
GRISETTI, GIORGIO +2 more
core +1 more source