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Building digitalization is an important component of digital city development. Terrestrial laser scanning (TLS) technology provides a high-precision and high-density data source to guarantee building digitalization and reconstruction. However, when these large scattered points cloud are used to build a 3D digital model, the points of building boundaries extraction is an essential issue. In this paper,...
Roof segmentation, i.e. separating building roofs, is a key step in deriving building models as it directly influences the precision and accuracy of the final building models. Even though various segmentation methods have been proposed, convincing and completing evaluations of the segmentation results are rarely discussed. This paper proposes several approaches to provide quantitative evaluation of...
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