Top PDF AN ADAPTIVE APPROACH FOR SEGMENTATION OF 3D LASER POINT CLOUD
AN ADAPTIVE APPROACH FOR SEGMENTATION OF 3D LASER POINT CLOUD
... fitting approach is the RANdom SAmple Consensus (RANSAC) proposed by Fischer and Bolles, ...processing of point cloud with the aim of 3D building modeling (Tarsh-Kurdi et ...
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CONTEXTUAL CLASSIFICATION OF POINT CLOUDS USING A TWO-STAGE CRF
... variant of this approach for point ...a segmentation and then applied the CRF to the ...missing point data for example on ...to point clouds (in particular for point-based ...
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RECONSTRUCTION, QUANTIFICATION, AND VISUALIZATION OF FOREST CANOPY BASED ON 3D TRIANGULATIONS OF AIRBORNE LASER SCANNING POINT DATA
... idea of optimization ...and an attribute characterizing the ...variate of the tree diameter, G, on the other hand, is directly measured from the trees and also the most typical forest attribute ...
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APPLICATION OF LASER SCANNING SURVEYING TO ROCK SLOPES RISK ASSESSMENT ANALYSIS
... area of scanning and to the requested spatial resolution, the instrument acquires the 3D point cloud in a time span and at a density according to the technical characteristics of the ...
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A FEASIBILITY STUDY ON USE OF GENERIC MOBILE LASER SCANNING SYSTEM FOR DETECTING ASPHALT PAVEMENT CRACKS
... source of road crack surveying which can derive road cracks in millimetre ...MLS point clouds becomes a new research topic ...the 3D information of MLS data aid in pavement distress ...
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SIMULTANEOUS DETECTION AND TRACKING OF PEDESTRIAN FROM PANORAMIC LASER SCANNING DATA
... configured laser sensors covering a wide enough verti- cal FOV (depending on the number of ...view of the ...types of laser scanners, the Velodyne range data are directly recorded in ...
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Visibility analysis of point cloud in close range photogrammetry
... part of a 3D object is a vital problem in computer graphics, computer vision, robotics, GIS and ...in an automated way from a certain viewpoint or camera. Currently, the point clouds can be ...
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Can 3D Point Clouds Replace GCPs?
... documentation of cultural heritage monuments, as they combine metric information with the qualities of an image ...technology of terrestrial laser scanning has enabled the easier and ...
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PAIRWISE LINKAGE FOR POINT CLOUD SEGMENTATION
... in 3D point clouds obtained from laser scanners is not trivial, because the three dimensional point data are usually incomplete, sparsely distributed, and unorganized, also there is no prior ...
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COMPARISON BETWEEN TWO GENERIC 3D BUILDING RECONSTRUCTION APPROACHES – POINT CLOUD BASED VS. IMAGE PROCESSING BASED
... photogrammetric 3D point cloud and on the other hand into photogrammetric ...One approach evaluates the 3D point cloud statistically in order to extract the hull of ...
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APPROXIMATION OF VOLUME AND BRANCH SIZE DISTRIBUTION OF TREES FROM LASER SCANNER DATA
... structures of trees from 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, ...structure ...
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Laser-based obstacle detection at railway level crossings
... use of dense 3D point clouds produced by a tilting 2D laser ...2D laser scanners. The system is composed of a software layer that processes the 3D point ...
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Scalable and Detail-Preserving Ground Surface Reconstruction from Large 3D Point Clouds Acquired by Mobile Mapping Systems
... active 3D sensors allow to acquire the environment with high sampling rates at high vehicle ...providing an effective solution for environment sensing over large scale distances, such acquisi- tion provides ...
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SEGMENTATION OF UAV-BASED IMAGES INCORPORATING 3D POINT CLOUD INFORMATION
... detection of individual building and recognition of its distinct sub-elements from remote sensing data are crucial for many applications including 3D building modelling, building level damage ...
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AIRBORNE LIDAR: A FULLY-AUTOMATED SELF-CALIBRATION PROCEDURE
... calibration of LIDAR systems has been an active field of research and development over the last ...extraction of geometric features in the laser data and require time-intensive input ...
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AN ALTERNATIVE APPROACH TO DESIGN AND ANALYSIS OF BROADBAND BEAMSPACE ADAPTIVE ARRAYS
... beamwidth of an array was inversely proportional to ...that an increase in either the number of elements or interelement spacing results in a decrease in the beamwidth as ...
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Sba Controle & Automação vol.17 número4
... lens of focal length f = 6.0 [mm], is mounted in front of the robot (see Figure 9 for a camera point of ...coordinates of a white sphere centroid located at the robot wrist and its im- ...
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Improved Fuzzy C-Means Algorithm for MR Brain Image Segmentation
... MRI segmentation should strive toward improving the accuracy, precision, and computation speed of the segmentation algorithms, while reducing the amount of manual interactions ...practical ...
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Compression of point clouds attributes
... projection of the colors as seen in every direction captured by the cameras (Figure ...sub-regions of the same area, as depicted in Figure ...description of the camera ...number of divisions ...
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The Brazilian credit market for small and medium-sized firms: an adaptive marketing approach
... terms of risk reduction and therefore imply low-risk credit contracts (MESTER, 1997), decreasing thus adverse ...liquidity of receivables is usually not very risky because suppliers have an advantage ...
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