Abstract

Abstract. The evolution of the digital technologies allowed since the early 1990s, to multiply the photogrammetric acquisitions, the digital and mechanical diagnosis and the 3D diagnosis of the sculptural heritage, generating a better knowledge of these objects. The multiplication of these tools therefore allowed to establish multidisciplinary methodologies, generally leading towards less invasive restorations protocol. Here, the diagnosis of a case study is first accomplished, starting with a photogrammetric acquisition, then tested in the two and three dimension annotation platform named aïoli, in order to determine the current possibilities for an innovative use of these tools, benefiting at the diagnosis of the sculptural heritage. On the order hand, along with the multiplication of the multidisciplinary methodologies, a very contemporary problematic arises: the need to improve the communication and discussion between different professionals. The goal was here to offer innovative methods to give all professionals the same vocabulary, a shared knowledge, therefore allowing a better diagnosis of these pieces of art.

Highlights

  • A few decades ago, digital technologies began to take an increasingly important place in our lifestyle

  • In the South of France, the diagnosis and restoration of the sculptural heritage began using the potentialities of a 3D model in 1994 and 1998, with the analysis of the statue Auguste and the statue Neptune (Coignard et al, 2009) both preserved in the city of Arles

  • This work can be considered an experimental setting, aiming to create a digital diagnosis for a case study, to see the current possibilities, and the goals. This experience is focused on the use of photogrammetric techniques and the creation of digital cartography, to reveal the benefits of digital monitoring, and show that the current tools already enables users to reveal new data

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Summary

INTRODUCTION

A few decades ago, digital technologies began to take an increasingly important place in our lifestyle. This study questions how these digital tools could be used during the diagnosis of statues, in order to turn them into interactive, evolutionary and accessible assets to the field and each one of its member To this end, it was first necessary to understand and measure their current use. It is necessary to formulate an introduction to the concept of ontology, in order to mesure if the study of the vocabulary and the introduction of the domain ontology can allow us to collect more data on this piece of art The purpose of this experimental work is to measure whether these approaches, very different from the traditional expertise, make it possible to question the current mechanisms of knowledge production

THE DIAGNOSIS TODAY AND ITS PERSPECTIVES
THE CASE STUDY : THE MAGALONE STATUES
The Autumn Statue
Acquisition and point cloud processing
Digital cartography
A new approach for the diagnosis
Towards a centralized platform for the diagnosis of the sculptural heritage
The need for a shared vocabulary
Towards a domain Ontology
Documentation phase
Structuration phase
The taxonomic representation
The subclasses
An implementation within the aïoli platform to create new data
Expand this experimental work to the entire field
CONCLUSION
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