EVOCATION: Reconstruction and exploration with an interactive lens of an annotated Nora Stone
Moonisa Ahsan, Fabio Bettio, Enrico Gobbetti, Fabio Marton, Ruggero Pintus, and Antonio Zorcolo
Date: July, 2022
Production: CRS4
Encoding: h264
Abstract
The video illustrates a pilot study carried out by CRS4 during the EVOCATION project. The pilot has been devoted to the capture, reconstruction, annotation, and visual exploration of the Nora Stone, an ancient Phoenician inscribed stone found at Nora on the south coast of Sardinia in 1773. The object is housed in the National Archaeological Museum in Cagliari (Italy). The Stone, whose dating varies from 850 to 725 BC, has a trapezoidal shape and is made of sandstone with a rough surface. The current, preserved visible area is 105cm tall. 49-59cm wide, and about 20cm thick. The stone is of large archaeological importance, since many scholars claim that it is the oldest written document in Sardinia and, possibly, in the entire Western Mediterranean region. Moreover, according to widespread interpretations, the stone contains the first attestation of the old name of Sardinia: "Shrdn".
In this work, we have applied the techniques developed by CRS4 during the project to the on-site capture, reconstruction, and web-based multi-layer visualization of the shape and material (BRDFs) of the stone. Going beyond plain visual replication, the stone is annotated, and an interactive lens permits to analyze the stone surface, as well as to follow a multi-level story obtained by linking the annotations.
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