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|a 10.1109/TVCG.2020.3042588
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|a eng
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| 100 |
1 |
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|a Bletterer, Arnaud
|e verfasserin
|4 aut
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| 245 |
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|a A Local Graph-Based Structure for Processing Gigantic Aggregated 3D Point Clouds
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|c 2022
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Revised 01.07.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a We present an original workflow for structuring a point cloud generated from several scans. Our representation is based on a set of local graphs. Each graph is constructed from the depth map provided by each scan. The graphs are then connected together via the overlapping areas, and careful consideration of the redundant points in these regions leads to a piecewise and globally consistent structure for the underlying surface sampled by the point cloud. The proposed workflow allows structuring aggregated point clouds, scan after scan, whatever the number of acquisitions and the number of points per acquisition, even on computers with very limited memory capacities. To show that our structure can be highly relevant for the community, where the gigantic amount of data represents a real scientific challenge per se, we present an algorithm based on this structure capable of resampling billions of points on standard computers. This application is particularly attractive for simplifying and visualizing gigantic point clouds representing very large-scale scenes (buildings, urban scenes, historical sites...), which often require a prohibitive number of points to describe them accurately
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|a Journal Article
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|a Payan, Frederic
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Antonini, Marc
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on visualization and computer graphics
|d 1996
|g 28(2022), 8 vom: 01. Aug., Seite 2822-2833
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|g volume:28
|g year:2022
|g number:8
|g day:01
|g month:08
|g pages:2822-2833
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|u http://dx.doi.org/10.1109/TVCG.2020.3042588
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