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19 October 2006 Virtual assemblage of fragmented artefacts
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Abstract
Recent improvements in computer graphics, three-dimensional digitization and virtual reality tools have enabled archaeologists to capture and preserve ancient relics recovered from excavated sites by creating virtual representations of the original artefacts. The digital copies offer an accurate and enhanced visual representation of the physical object. The process of reconstructing an artefact from damaged pieces by virtual assemblage and clay sculpting is summarized in this paper. Surface models of the digitized fragments are first created and then manipulated in a virtual reality (VR) environment using simple force feedback tools. The haptic device provides tactile cues that assist the user with the assembly process and introducing soft virtual clay to the resultant assemblage for complete 3D reconstruction. Since reconstruction is performed within a VR environment, the joining or "gluing" of separate damaged fragments will permit the scientist to investigate alternative relic configurations. Results from a preliminary experiment are presented to illustrate the virtual assemblage procedure used to reconstruct fragmented or broken objects.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Philip C. Igwe and George K. Knopf "Virtual assemblage of fragmented artefacts", Proc. SPIE 6375, Optomechatronic Sensors, Instrumentation, and Computer-Vision Systems, 63750F (19 October 2006); https://doi.org/10.1117/12.686641
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