Ms. Valentina Alena Girelli Profile

Valentina Alena Girelli

at Univ degli Studi di Bologna

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Proceedings Article | 29 January 2007 Paper

The potential of 3D techniques for Cultural Heritage object documentation

Gabriele Bitelli, Valentina Girelli, Fabio Remondino, Luca Vittuari

Proceedings Volume 6491, 64910S (2007) https://doi.org/10.1117/12.705012

KEYWORDS: 3D modeling, Cameras, Laser scanners, Calibration, 3D image processing, Photogrammetry, Data modeling, Cultural heritage, Visualization, Active sensors

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The generation of 3D models of objects has become an important research point in many fields of application like industrial inspection, robotics, navigation and body scanning. Recently the techniques for generating photo-textured 3D digital models have interested also the field of Cultural Heritage, due to their capability to combine high precision metrical information with a qualitative and photographic description of the objects. In fact this kind of product is a fundamental support for documentation, studying and restoration of works of art, until a production of replicas by fast prototyping techniques. Close-range photogrammetric techniques are nowadays more and more frequently used for the generation of precise 3D models. With the advent of automated procedures and fully digital products in the 1990s, it has become easier to use and cheaper, and nowadays a wide range of commercial software is available to calibrate, orient and reconstruct objects from images. This paper presents the complete process for the derivation of a photorealistic 3D model of an important basalt stela (about 70 x 60 x 25 cm) discovered in the archaeological site of Tilmen Höyük, in Turkey, dating back to 2nd mill. BC. We will report the modeling performed using passive and active sensors and the comparison of the achieved results.

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