Historic Digital Survey: Reality Capture and Automatic Data Processing for the Interpretation and Analysis of Historic Architectural Rubble Masonry

Enrique Valero, Frédéric Bosché, Alan Forster, Ewan Hyslop

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Abstract

Detailed segmentation for the analysis of rubble masonry substrates is complex due to the lack of uniformity in size, geometry, coursing, bonding, and materials composition and texture of the individual stones. State-of-the-art technologies, such as Terrestrial Laser Scanning (TLS) or photogrammetry, deliver precise geometrical and coloured data that can be processed by means of innovative techniques to segment and label these masonry units. The automatic segmentation of individual stones supports further analysis of rubble masonry via several parameters related to their geometry and face colour. These can be utilised for deciphering architectural construction methods and changes in materials, as well as being employed for practical maintenance and repair operations. This paper presents a new strategy for investigating historic masonry substrates, especially from the perspective of data processing methods supporting the automated segmentation and labelling of rubble stone walls. In particular, an innovative method based on the Continuous Wavelet Transform (CWT) is proposed for the automatic segmentation of rubble stone walls, which subsequently enables the automated analysis of the individual stones and mortar regions. Different experiments have been conducted on two significant Cultural Heritage (CH) buildings in Scotland, with the results clearly demonstrating the potential of the proposed method for historic interpretation and analysis.
Original languageEnglish
Title of host publicationStructural Analysis of Historical Constructions
Subtitle of host publicationAn Interdisciplinary Approach
PublisherSpringer International Publishing
Pages388-396
Number of pages9
ISBN (Electronic)9783319994413
ISBN (Print)9783319994406
DOIs
Publication statusPublished - Sep 2018
Event11th International Conference on Structural Analysis of Historical Constructions - Cusco, Peru
Duration: 11 Sep 201813 Sep 2018

Publication series

NameRILEM Bookseries
PublisherSpringer
Volume18
ISSN (Print)2211-0844

Conference

Conference11th International Conference on Structural Analysis of Historical Constructions
Abbreviated titleSAHC 2018
CountryPeru
CityCusco
Period11/09/1813/09/18

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    Valero, E., Bosché, F., Forster, A., & Hyslop, E. (2018). Historic Digital Survey: Reality Capture and Automatic Data Processing for the Interpretation and Analysis of Historic Architectural Rubble Masonry. In Structural Analysis of Historical Constructions: An Interdisciplinary Approach (pp. 388-396). (RILEM Bookseries; Vol. 18). Springer International Publishing. https://doi.org/10.1007/978-3-319-99441-3_41