[PDF] Top 20 Can 3D Point Clouds Replace GCPs?
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Can 3D Point Clouds Replace GCPs?
... accurate point cloud. Using this point cloud also as a surface model, the only field work necessary is the scanning of the object and image acquisition, which need not be subject to strict ...of 3D ... See full document
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Building modeling from noisy photogrammetric point clouds
... currently can provide dense and accurate point cloud. The point cloud from SFM is usually called photogrammetric point ...then 3D point clouds are reconstructed ... See full document
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Scalable and Detail-Preserving Ground Surface Reconstruction from Large 3D Point Clouds Acquired by Mobile Mapping Systems
... ods can be roughly categorized in two major ...the point cloud which represents the closest approximation of the scanned ...the 3D points based on dif- ferent geometric criteria, providing a ... See full document
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USING TERRESTRIAL LASER SCANNERS TO CALCULATE AND MAP VERTICAL BRIDGE CLEARANCE
... a 3D virtual ...accurate 3D representations of ...object can be determined by the transit ...“point clouds,” which can be processed and combined into accurate 3D models ... See full document
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DETECTING AND ANALYZING CORROSION SPOTS ON THE HULL OF LARGE MARINE VESSELS USING COLORED 3D LIDAR POINT CLOUDS
... 2007). 3D scanning technology has begun to emerge in shipyards, but has not yet been exploited for the inspection process and specially de- tection and analysis of defects on the ...others can be overcome ... See full document
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PROCESSING UAV AND LIDAR POINT CLOUDS IN GRASS GIS
... points. Point clouds from different sources vary in their properties such as number of returns, density, or ...points clouds obtained by a lidar scanner, structure from motion technique (SfM), and a ... See full document
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CONTEXTUAL CLASSIFICATION OF POINT CLOUDS USING A TWO-STAGE CRF
... classified point clouds of indoor scenes, building a graphical model on point cloud ...walls can be detected using heuristics (Shapovalov et ...the point-wise classification of ... See full document
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PAIRWISE LINKAGE FOR POINT CLOUD SEGMENTATION
... which can be used for clustering any dimensional data, and then effectively apply it on 3D unstructured point cloud ...data point, for example, the density for 2D data points and the flatness ... See full document
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3D Modeling of the Milreu Roman Heritage with UAVs
... tie point extraction, which is needless for sequential imagery and computationally prohibitive for large image sequences due to its quadratic com- putational ...dense point clouds, build a textured ... See full document
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A low percentage of autologous serum can replace bovine serum to engineer human nasal cartilage
... findings point out the importance of the identification of means of predicting and possibly overcoming biological variations in different chondrocyte preparations (Dell’Accio et ...of 3D culture to induce ... See full document
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SEGMENTATION AND CLASSIFICATION OF POINT CLOUDS FROM DENSE AERIAL IMAGE MATCHING
... enough 3D point clouds to define surface ...dense 3D point clouds are processed ...DTM can also be used to recognize ground and non-ground 3D point ... See full document
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SEGMENTATION OF UAV-BASED IMAGES INCORPORATING 3D POINT CLOUD INFORMATION
... including 3D building modelling, building level damage assessment and other urban related studies (Dong and Shan, 2013; Sun and Salvaggio, ...the 3D geometric features are being used as the fundamental ... See full document
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APPROXIMATION OF VOLUME AND BRANCH SIZE DISTRIBUTION OF TREES FROM LASER SCANNER DATA
... point clouds. The basic assumptions of the method are that the point cloud is a sample of a surface in the 3D-space and the surface, ...tree, can be locally approximated with ...the ... See full document
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COARSE POINT CLOUD REGISTRATION BY EGI MATCHING OF VOXEL CLUSTERS
... for 3D point clouds. The solutions can roughly be categorized into three main ...targets can be identified from the point cloud data, however, in some situa- tions human ... See full document
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AN AUTOMATIC ALGORITHM FOR MINIMIZING ANOMALIES AND DISCREPANCIES IN POINT CLOUDS ACQUIRED BY LASER SCANNING TECHNIQUE
... Laser scanning technique from airborne and ground platforms has been largely used for the reconstruction of high-resolution 3-D to- pography in the field of geosciences and other applications (Shan and Toth, 2008) ... See full document
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Fast registration of laser scans with 4-point congruent sets - what works and what doesn't
... TLS point cloud alignment we build upon work of Theiler et ...to clouds of keypoints extracted from raw ...and can be distributed across multiple processors now routinely avail- able in standard ... See full document
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INCREMENTAL REFINEMENT OF FAÇADE MODELS WITH ATTRIBUTE GRAMMAR FROM 3D POINT CLOUDS
... As can be stated for the windows of the ground floor in figure 4, due to structured walls the derivation of the shape parameters is in general not ...the point cloud is performed based on the maxima values ... See full document
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AUTOMATED MOSAICKING OF MULTIPLE 3D POINT CLOUDS GENERATED FROM A DEPTH CAMERA
... Because our method uses a depth camera, we first introduce the principle of distance measurement using a depth camera. A depth camera emits infrared rays, which will be reflected by the objects. A depth camera detects ... See full document
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3D LAND COVER CLASSIFICATION BASED ON MULTISPECTRAL LIDAR POINT CLOUDS
... classes can be well distinguished by using classification indexes or spectral ...of point clouds are used to divide the building and ...use point clouds segmentation to distinguish ... See full document
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Rethinking GIS Towards The Vision Of Smart Cities Through CityGML
... In order to create a complete landscape the terrain data is combined with geo-referenced imagery such as orthophotos and topographic maps. Rendering high resolution terrain data with imagery is not easy task because of ... See full document
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