Tag: reconstruction

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Invited talks at AUTH seminar

Anestis Koutsoudis and George Pavlidis participated in the Seminar “Diagnostic techniques in the science of artworks curation” organized by the Crossdisciplinary Postgraduade Programme “Protection, Conservation and Restoration of Cultural Monuments” of the Aristotle University of Thessaloniki, held 17th-19th Feb. 2012.

This included invited talks at Aristotle University of Thessaloniki and a visit at the Multimedia Department of the Athena Research Center in Xanthi.

Here is the seminar program (greek).
Here is a simplified PDF version Dr. Koutsoudis’ talk (greek) and a simplified PDF version of Dr. Pavlidis’ talk (english).

Here are a couple of photos from the 3D technologies demonstration @ the Multimedia Department.

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3D digitization of Urban Areas

The project involved the three-dimensional digitization and reconstruction of urban areas. The project deals with the idea of combining the usage of commercial and open source software systems in 3D graphics in order to produce realistic virtual walkthroughs for culture heritage promotion with a minimum budget and low cost infrastructure.

We have attempted the 3D reconstruction of three urban areas from three different cities without the use of any expensive equipment (e.g. commercial 3D range scanners based on techniques like triangulation, modulation or time-of-flight).

We have produced a fully textured 3D model that can be easily accessed from the Internet using a VRML viewer plugin for the browser. Acceptable downloading times have been achieved even for slow connections by reducing the texture map quality.
Access to the three-dimensional reconstructions requires the installation of a VRML viewer.
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3D reconstruction of Argostoli

A virtual walkthrough at the port of Argostoli, Kefalonia, as it was before the devastating earthquake of 1953.

The three-dimensional reconstruction of the area, based on topographic maps, historical photographs and documentary material, depicts the area of the port of Argostoli at the time before the earthquake.
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3D digitization of the Byzantine fortress of Kavala

The Byzantine fortress of Kavala is located on top of the peninsula of Virgin Mary, where the old town is built. In Byzantine times and later, many successive reconstructions and alterations to the fortifications have been made by the Byzantines, the Venetians and the Turks.

The fortress at its present condition was built during the first quarter of the 15th century and is based on the foundations built during the Byzantine period.

The 3D digitization of the fortress was done by using time-of-flight scanning technology. For the reconstruction and virtual representation, photorealistic shading technologies have been employed in order to present the fortress with lighting similar to that of a sunny summer day.
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3D Digitization of Monuments

Case: Digitization of Religious Monuments in the region of Mani, Peloponnese

The project involves the digitization and 3D reconstruction of a Byzantine church in the area of Stavri in Mani and the Post-Byzantine church of Aghios Vasileios in the Kelefa settlement. The goal of the project was the universal dissemination of the monuments. The virtual walkthrough includes the exterior as well as the interior of the churches.