Photometric Stereo for Archeological Inscriptions:

SIGGRAPH 2004 Sketch

Per Einarsson     Tim Hawkins     Paul Debevec
USC Institute for Creative Technologies
Top row: Reference photographs
Bottom row: Recovered geometry rendered using an x-ray shader


Abstract:

We describe a low-cost system for acquiring high-resolution geometry and reflectance properties using photometric stereo. This technique was used to model ancient inscriptions on the Parthenon in Athens, Greece and proved to be fast, simple and robust.


Material:

SIGGRAPH 2004 Sketch:

SIGGRAPH 2004 Video: