From survey to semantic representation for Cultural Heritage: the 3D modeling of recurring architectural elements

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DOI:

https://doi.org/10.21014/acta_imeko.v10i1.842

Abstract

The digitization of Cultural Heritage paves the way for new approaches to surveying and restitution of historical sites. With a view to the management of integrated programs of documentation and conservation, the research is now focusing on the creation of information systems where to link the digital representation of a building to semantic knowledge. With reference to the emblematic case study of the Calci Charterhouse, also known as Pisa Charterhouse, this contribution illustrates an approach to be followed in the transition from 3D survey information, derived from laser scanner and photogrammetric techniques, to the creation of semantically enriched 3D models. The proposed approach is based on the recognition -segmentation and classification- of elements on the original raw point cloud, and on the manual mapping of NURBS elements on it. For this shape recognition process, reference to architectural treatises and vocabularies of classical architecture is a key step. The created building components are finally imported in a H-BIM environment, where they are enriched with semantic information related to historical knowledge, documentary sources and restoration activities.

Author Biography

Valeria Croce, Civil and Industrial Engineering Department (DICI) University of Pisa, Largo Lucio Lazzarino 1, 56122 Pisa, Italy

Valeria Croce is a Ph.D. student attending the International Doctorate in Civil and Environmental Engineering, at the University of Florence (Italy). Graduated in October 2018 in Civil Engineering and Architecture at the University of Pisa, she currently works at the Department of Geomatics of the same university, supervised by Professors Gabriella Caroti and Andrea Piemonte. She is carrying out her doctoral thesis in co-supervision with the École nationale supérieure d'arts et métiers Paris-Tech, Aix-en-Provence and with the MAP research unit (Models and Simulations for Architecture and Heritage) of the CNRS of Marseille. Her research focuses on operational surveying and 3D modeling for the conservation and maintenance of cultural heritage artifacts, with particular regard to point clouds semantic segmentation and classification methods.

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Published

2021-03-31

Issue

Vol. 10 No. 1 (2021)

Section

Research Papers

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