Multi-scale region growing point cloud filtering method based on surface fitting

Aiming at the problem of over-erosion and type II error accumulation by progressive triangle irregular network(TIN) densification(PTD), a multi-scale filtering method based on region growing is proposed. This method introduces pyramid strategy to establish different levels of point cloud, in which t...

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Main Authors: ZHAN Zongqian, HU Mengqi, MAN Yiyun
Formato: Artigo
Idioma:Chinês
Publicado em: Surveying and Mapping Press 2020-06-01
Colecção:Acta Geodaetica et Cartographica Sinica
Assuntos:
point cloud filtering
digital elevation model
triangle irregular network
data pyramid
region growing
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