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Point cloud

PAIRWISE LINKAGE FOR POINT CLOUD SEGMENTATION

PAIRWISE LINKAGE FOR POINT CLOUD SEGMENTATION

... the point cloud- s into 5 clusters according to their ...the point cloud segmentation (Yamauchi et ...the point cloud segmentation methods based on clustering can only discover ...

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TUNNEL POINT CLOUD FILTERING METHOD BASED ON ELLIPTIC CYLINDRICAL MODEL

TUNNEL POINT CLOUD FILTERING METHOD BASED ON ELLIPTIC CYLINDRICAL MODEL

... laser point cloud filtering and classification method, according to the different mode of scanning, filtering algorithm are divided for airborne laser scanning filtering (ALS) algorithm, mobile laser ...

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POINT CLOUD ORIENTED SHOULDER LINE EXTRACTION IN LOESS HILLY AREA

POINT CLOUD ORIENTED SHOULDER LINE EXTRACTION IN LOESS HILLY AREA

... massive point cloud data acquired by TLS record three-dimensional information, however they contain many “noise” points due to great number of obstructions in natural ...“noise” point mainly ...

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SEGMENTATION OF UAV-BASED IMAGES INCORPORATING 3D POINT CLOUD INFORMATION

SEGMENTATION OF UAV-BASED IMAGES INCORPORATING 3D POINT CLOUD INFORMATION

... 3D point clouds are well suited to infer the geometric characteristics of the ...points cloud for building analysis as they can provide information of both the roofs and facades of the building (Liu and ...

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Visual and inertial data fusion for Globally consistent point cloud registration

Visual and inertial data fusion for Globally consistent point cloud registration

... Despite the popularity of voxel-based map representation in the robotics field, other fields such as computer graphics may benefit from finer representations of objects. One such representation is the Point ...

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Visibility analysis of point cloud in close range photogrammetry

Visibility analysis of point cloud in close range photogrammetry

... the point clouds can be produced either by using laser scanning or dense image matching which is widely used for 3D acquisition, representation and ...These point clouds are either sparse or dense of ...

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Shape distribution features for point cloud analysis – a geometric histogram approach on multiple scales

Shape distribution features for point cloud analysis – a geometric histogram approach on multiple scales

... 3D point cloud data (Maas and Vosselman, ...3D point cloud analysis and a comprehensive study of their classifi- cation relevance is given by Chehata et ...each point in ...

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AUTOMATIC CREATION OF STRUCTURAL MODELS FROM POINT CLOUD DATA: THE CASE OF MASONRY STRUCTURES

AUTOMATIC CREATION OF STRUCTURAL MODELS FROM POINT CLOUD DATA: THE CASE OF MASONRY STRUCTURES

... 3D point cloud data to detailed structural models, which has special relevance in masonry structures where geometry plays a key ...of point cloud are constrained by the scanning instruments, ...

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EVALUATING THE POTENTIAL OF RTK-UAV FOR AUTOMATIC POINT CLOUD  GENERATION IN 3D RAPID MAPPING

EVALUATING THE POTENTIAL OF RTK-UAV FOR AUTOMATIC POINT CLOUD GENERATION IN 3D RAPID MAPPING

... 3D point cloud acquisition offer potentials because of their flexibility and practicability combined with low cost ...of point clouds using imagery collected from a low altitude small autonomous UAV ...

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COMPARISON BETWEEN TWO GENERIC 3D BUILDING RECONSTRUCTION  APPROACHES – POINT CLOUD BASED VS. IMAGE PROCESSING BASED

COMPARISON BETWEEN TWO GENERIC 3D BUILDING RECONSTRUCTION APPROACHES – POINT CLOUD BASED VS. IMAGE PROCESSING BASED

... 3D point cloud and on the other hand into photogrammetric ...3D point cloud statistically in order to extract the hull of structures, while the other approach makes use of salient line ...

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COARSE POINT CLOUD REGISTRATION BY EGI MATCHING OF VOXEL CLUSTERS

COARSE POINT CLOUD REGISTRATION BY EGI MATCHING OF VOXEL CLUSTERS

... the point cloud data, however, in some situa- tions human interaction is required to identify the targets (Zhang, ...when point clouds are transformed to the same coordinate system in a fully auto- ...

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Point cloud quality evaluation: Towards a definition for test conditions

Point cloud quality evaluation: Towards a definition for test conditions

... MPEG Point Cloud Compression Test Model Category 2 ...input point count does not affect the perceived quality as long as the presentation is plausible for human ...

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AN ADAPTIVE APPROACH FOR SEGMENTATION OF 3D LASER POINT CLOUD

AN ADAPTIVE APPROACH FOR SEGMENTATION OF 3D LASER POINT CLOUD

... of point cloud with the aim of 3D building modeling (Tarsh-Kurdi et ...different point cloud sources (Filin, ...laser point cloud. In this method, each laser point defines ...

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Point cloud vs drawing on archaeological site

Point cloud vs drawing on archaeological site

... process. Point clouds and meshes hardly transmit the relief of information if they are not ...Each point of point cloud can be associated with a color; lots of scanners are designed for ...of ...

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Synergy Between LiDAR and Image Data in Context of Building Extraction

Synergy Between LiDAR and Image Data in Context of Building Extraction

... LiDAR point cloud filtering for separating ground and aboveground points; segmentation of roof planes based on the local homogeneity of normal vectors of the triangulated aboveground points; least squares ...

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ACCURACY ANALYSIS OF KINECT DEPTH DATA

ACCURACY ANALYSIS OF KINECT DEPTH DATA

... a point cloud obtained by a high-end laser scanner. The Kinect point cloud was obtained from the disparity image using Equations (4) and (5) and the calibration parameters from the previous ...

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Cloud Partitioning Iterative Closest Point (CPICP): um estudo comparativo para registro de nuvens de pontos 3D

Cloud Partitioning Iterative Closest Point (CPICP): um estudo comparativo para registro de nuvens de pontos 3D

... 3D point clouds registration, such as the classic algorithm Iterative Closest Point (ICP), appear as fundamental on solving problems such as collision avoidance and occlusion ...accurate point ...

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2D Cloud Template Matching - A comparison between Iterative Closest Point and Perfect Match

2D Cloud Template Matching - A comparison between Iterative Closest Point and Perfect Match

... Closest Point (ICP) ...3D point-clouds. Moreover, its implementation is available in the Point Cloud Library (PCL), one of the most relevant open-source projects related to ...

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INTEGRATING SMARTPHONE IMAGES AND AIRBORNE LIDAR DATA FOR COMPLETE URBAN BUILDING MODELLING

INTEGRATING SMARTPHONE IMAGES AND AIRBORNE LIDAR DATA FOR COMPLETE URBAN BUILDING MODELLING

... the point cloud generated by previous images (Agarwal et ...denser point cloud of the object from the SfM ...sparse point cloud from SfM (Strecha et ...

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J. Braz. Comp. Soc.  vol.9 número3

J. Braz. Comp. Soc. vol.9 número3

... simplified point cloud and then refines ...original point cloud into clusters of approximately coplanar points and then selects one representative point from each cluster to form the ...

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