Photogrammetry setup to record the stone surface - Application of Forensic Photogrammetry and 3D Modelling to Improve Epigraphic Reading: Study of the Roman Altar of Gravesano (Ticino, Switzerland)

PDF document with lighting and camera setup to record the surface of the stone with multi-image photogrammetry. Page 1: Stone surface, images and camera positions Page 2: Setup of the raking light source Page 3: Adjustment of the angle of the light source to the stone surface. A slight upward angle relative to the horizon is chosen in the plane of the stone in order to keep an oblique incident light and project shadows in each character’s depression (see green long circular green arrow). The second angle is adjusted from the surface of the stone in order to define each character’s depression with sharp shadows. Page 4: Stone surface, images and camera positions with an the camera projection of the bottom right image outlined in red.

Related Organizations

University of Lausanne
Switzerland

Keywords

3D photogrammetry, Archaeology, Forensic imaging, 3D reconstruction, Epigraphy, Inscription

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