3D Reconstruction and Restoration Monitoring of Sculptural Artworks by a Multi-Sensor Framework
AbstractNowadays, optical sensors are used to digitize sculptural artworks by exploiting various contactless technologies. Cultural Heritage applications may concern 3D reconstructions of sculptural shapes distinguished by small details distributed over large surfaces. These applications require robust multi-view procedures based on aligning several high resolution 3D measurements. In this paper, the integration of a 3D structured light scanner and a stereo photogrammetric sensor is proposed with the aim of reliably reconstructing large free form artworks. The structured light scanner provides high resolution range maps captured from different views. The stereo photogrammetric sensor measures the spatial location of each view by tracking a marker frame integral to the optical scanner. This procedure allows the computation of the rotation-translation matrix to transpose the range maps from local view coordinate systems to a unique global reference system defined by the stereo photogrammetric sensor. The artwork reconstructions can be further augmented by referring metadata related to restoration processes. In this paper, a methodology has been developed to map metadata to 3D models by capturing spatial references using a passive stereo-photogrammetric sensor. The multi-sensor framework has been experienced through the 3D reconstruction of a Statue of Hope located at the English Cemetery in Florence. This sculptural artwork has been a severe test due to the non-cooperative environment and the complex shape features distributed over a large surface. View Full-Text
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Barone, S.; Paoli, A.; Razionale, A.V. 3D Reconstruction and Restoration Monitoring of Sculptural Artworks by a Multi-Sensor Framework. Sensors 2012, 12, 16785-16801.
Barone S, Paoli A, Razionale AV. 3D Reconstruction and Restoration Monitoring of Sculptural Artworks by a Multi-Sensor Framework. Sensors. 2012; 12(12):16785-16801.Chicago/Turabian Style
Barone, Sandro; Paoli, Alessandro; Razionale, Armando V. 2012. "3D Reconstruction and Restoration Monitoring of Sculptural Artworks by a Multi-Sensor Framework." Sensors 12, no. 12: 16785-16801.