Download 3D Research Challenges in Cultural Heritage: A Roadmap in by Marinos Ioannides, Ewald Quak PDF

By Marinos Ioannides, Ewald Quak

This ebook comprises chosen contributions from the most popular researchers within the box of electronic background and 3D illustration of the previous, dependent largely on invited displays from the workshop “Computational Geometry and Ontologies for Cultural historical past 3D electronic Libraries: What are the longer term possible choices for Europeana?” which was once held along with the foreign convention on Cultural background EuroMed2012 (www.euromed2012.eu) at the island of Cyprus in October 2012. This was once the professional occasion of the Cyprus Presidency of the Council of the eu Union on growth in Cultural background renovation. the purpose of this ebook is to supply an perception to ongoing examine and destiny instructions during this novel, constantly very promising and multi-disciplinary evolving box, which lies on the intersection of electronic history, engineering, laptop technology, arithmetic, fabric technological know-how, structure, civil engineering and archaeology.

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While our prototype [22] is at the moment limited to textual and 3D representations, it is based on a general concept of free and synchronized exploration of an artwork across all its representations and it can be further extended to other media (a set of photos, videos, technical drawings and surveys). This system has been developed with the idea of using it as an educational tool: a sort of interactive multimedia textbook, usable in a class to present a specific artifact or, later on, to support the student/scholar when studying the object.

Only the DAG has to be kept in RAM during the selection of each view-dependent representation. This means that a small memory size is needed to store the multiresolution structure. The data corresponding to the selected patches are loaded from disk on demand. This results in a very low number of OpenGL function calls (on the order of one thousand) even for large models and this allows to obtain efficient rendering performances. The Nexus scheme supports the management of models with attached color data.

In other words, it expresses Fig. 6. A comparative analysis of four columns : from left to right, the polygonal mesh, the produced depth map, the extracted discontinuities, the created simplified geometric reconstruction and the average values Geometry vs Semantics: Open Issues on 3D Reconstruction 47 its ability to evoke a universe of knowledge that can inform us about the semantic construction of an architectural element. The shift from multiplicity to intelligibility presupposes the presence of a human operator whose aim is to filter, reduce and interpret all data collected in order to retain only those which will replenish the theoretical model.

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