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Contextualization of archaeological information using augmented photospheres, viewed with head-mounted displays.

Abstract : Photospheres, or 360° photos, offer valuable opportunities for perceiving space, especially when viewed through head-mounted displays designed for virtual reality. Here, we propose to take advantage of this potential for archaeology and cultural heritage, and to extend it by augmenting the images with existing documentation, such as 2D maps or 3D models, resulting from research studies. Photospheres are generally produced in the form of distorted equirectangular projections, neither georeferenced nor oriented, so that any registration of external documentation is far from straightforward. The present paper seeks to fill this gap by providing simple practical solutions, based on rigid and non-rigid transformations. Immersive virtual environments augmented by research materials can be very useful to contextualize archaeological discoveries, and to test research hypotheses, especially when the team is back at the laboratory. Colleagues and the general public can also be transported to the site, almost physically, generating an authentic sense of presence, which greatly facilitates the contextualization of the archaeological information gathered. This is especially true with head-mounted displays, but the resulting images can also be inspected using applications designed for the web, or viewers for smartphones, tablets and computers.
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Submitted on : Friday, January 8, 2021 - 4:44:27 PM
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Fabrice Monna, Nicolas Navarro, Jérôme Magail, Rodrigue Guillon, Tanguy Rolland, et al.. Contextualization of archaeological information using augmented photospheres, viewed with head-mounted displays.. Sustainability, MDPI, 2019, Computational Approaches to the Sustainability of Cultural Heritage, 11 (14), pp.3894. ⟨10.3390/su11143894⟩. ⟨hal-02294546⟩



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