Development of a platform recommending 3D and spectral digitisation strategies

Abstract

Abstract:Spatial and spectral recording of cultural heritage objects is a complex task including data acquisition, processing and analysis involving different technical disciplines. Additionally, the development of a suitable digitisation strategy satisfying the expectations of the humanities experts needs an interdisciplinary dialogue often suffering from misunderstanding and knowledge gaps on both the technical and humanities sides.Through a concerted discussion, experts from the cultural heritage and technical domains currently develop a so-called COSCH KR (Colour and Space in Cultural Heritage Knowledge Representation) platform that will give recommendations for spatial and spectral recording strategies adapted to the needs of the cultural heritage application. The platform will make use of an ontology through which the relevant parameters of the different domains involved in the recording, processing, analysis, and dissemination of cultural heritage objects are hierarchically structured and related through rulebased dependencies. Background and basis for this ontology is the fact that a deterministic relation exists between (1) the requirements of a cultural heritage application on spatial, spectral, as well as visual digital information of a cultural heritage object which itself has concrete physical characteristics and (2) the technical possibilities of the spectral and spatial recording devices. Through a case study which deals with the deformation analysis of wooden samples of cultural heritage artefacts, this deterministic relationship is illustrated explaining the overall structure and development of the ontology.The aim of the COSCH KR platform is to support cultural heritage experts finding the best suitable recording strategy for their often unique physical cultural heritage object and research question. The platform will support them and will make them aware of the relevant parameters and limitations of the recording strategy with respect to the characteristics of the cultural heritage object, external influences, application, recording devices, and data.

A semi-automatic 2D/3D annotation framework for the geometric analysis of heritage artefacts

“…This data must be structured, based on theoretical work on the naming of concepts and their interconnection [1]. The general goal is to associate semantic data with documents, which can take the form of simple vocabulary terms, or through ontologies, structuring terms and concepts related to a specific field of knowledge ( [2] [3] [4] ). Several studies have been conducted on this association, and more particularly on the semantic enrichment of 3D digitization ( [5] [6] [7] [8] ).…”

3D digital conservation and restoration skills for the 21st century

“…In addition, valuable initiatives to discover, learn and perform 3D scanning methodologies have been constituted over the years since digitisation found its application in CH documentation. These initiatives are often the outcome of individual research projects in which (choosing) a digitisation strategy takes a key role (Budak et al, 2019;Di Angelo et al, 2018;Rahaman and Champion, 2019;Wefers et al, 2016) or as outcomes of European international studies, resulting in guidelines and the addition of 3D models to digital CH databases (e.g. Europeana (Europeana Network Association, 2020)).…”