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Advisor(s)
Abstract(s)
In this paper we present some results of the use of digital documentation techniques for the
characterization and analysis of Cultural Heritage. The used tools (geographic information
systems, digital photogrammetry and computer graphics software) allow us to explore new forms
of recovery of digital documentation.
The typology of objects where these technologies may be applied is diverse, from public artworks
to objects integrated into a museological context.
For the performed exercises, which were presented in RECH 3, were given as examples objects
from the urban parks in the city of Porto, from the National Museum of Soares dos Reis, from the
Major Seminary of Our Lady of the Conception of Porto, from the Church of the Holy Spirit in Évora,
and from private collectors, among others.
The results show that through current digital techniques it is possible to document and characterize
in a hyper-realistic manner the surfaces of the works, analyze the degradation phenomena with
high accuracy, annotate technological evidences, develop virtual scenarios with infographic profile,
reconstruct missing elements of objects, and even make chromatic reintegration on 3D objects.
In practice, the actual virtualization works with digital photogrammetry and with recent techniques
of computer processing that provide a handy tool for the documentation of heritage works. This
kind of virtualization is a strong alternative to documentation made with laser scanning, often
costly. Nonetheless, photogrammetry data capture always requires a high technical accuracy in
the photographical acquisition and long post-processing elaboration to develop the 3D models.
Description
Keywords
Heritage Documentation Geographic Information Systems Photogrammetry Computer Graphics 3D retouching
Pedagogical Context
Citation
HENRIQUES, Frederico; GONÇALVES, António; CANDEIAS, Alexandre; VIEIRA, Eduarda - Heritage Documentation and 3D Retouching of Virtual Objects. In 3rd International Meeting on Retouching of Cultural Heritage, RECH 3, Porto, Portugal, 23-24 October, 2015. - In BAILÃO, Ana; HENRIQUES, Frederico; BIDARRA, Ana (eds.) - RECH3: Postprints. Porto: Escola Artística e Profissional Árvore, 2016. p. 83-91
Publisher
Escola Artística e Profissional Árvore