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  • 标题:MODEL FOR SEMANTICALLY RICH POINT CLOUD DATA
  • 本地全文:下载
  • 作者:F. Poux ; R. Neuville ; P. Hallot
  • 期刊名称:ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
  • 印刷版ISSN:2194-9042
  • 电子版ISSN:2194-9050
  • 出版年度:2017
  • 卷号:IV-4/W5
  • 页码:107-115
  • 出版社:Copernicus Publications
  • 摘要:This paper proposes an interoperable model for managing high dimensional point clouds while integrating semantics. Point clouds from sensors are a direct source of information physically describing a 3D state of the recorded environment. As such, they are an exhaustive representation of the real world at every scale: 3D reality-based spatial data. Their generation is increasingly fast but processing routines and data models lack of knowledge to reason from information extraction rather than interpretation. The enhanced smart point cloud developed model allows to bring intelligence to point clouds via 3 connected meta-models while linking available knowledge and classification procedures that permits semantic injection. Interoperability drives the model adaptation to potentially many applications through specialized domain ontologies. A first prototype is implemented in Python and PostgreSQL database and allows to combine semantic and spatial concepts for basic hybrid queries on different point clouds.
  • 关键词:Point cloud; data model; classification; segmentation; point cloud database; semantics; 3D spatial data
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