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Virtual restoration and visualization changes through light: A review

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2020-12
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MDPI
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Abstract
The virtual modification of the appearance of an object using lighting technologies has become very important in recent years, since the projection of light on an object allows us to alter its appearance in a virtual and reversible way. Considering the limitation of non-contact when analysing a work of art, these optical techniques have been used in fields of restoration of cultural heritage, allowing us to visualize the work as it was conceived by its author, after a process of acquisition and treatment of the image. Furthermore, the technique of altering the appearance of objects through the projection of light has been used in projects with artistic or even educational purposes. This review has treated the main studies of light projection as a technique to alter the appearance of objects, emphasizing the calibration methods used in each study, taking into account the importance of a correct calibration between devices to carry out this technology. In addition, since the described technique consists of projecting light, and one of the applications is related to cultural heritage, those studies that carry out the design and optimization of lighting systems will be described for a correct appreciation of the works of art, without altering its state of conservation
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This article belongs to the Special Issue Optical Technologies Applied to Cultural Heritage.
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Projection mapping, Calibration, Lighting, Cultural Heritage
Bibliographic citation
Gómez Manzanares, Á., Benítez, A. J., & Martínez Antón, J. C. (2020). Virtual Restoration and Visualization Changes Through Light: a review. Heritage, 3(4), 1373-1384.