Accessibility in Bioarchaeology: Methods of 3D Imaging of Entheses
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This thesis examines accessibility within the field of bioarchaeology in two methods of generating 3D models of human remains, laser scanning and photogrammetry. These were analyzed for the following attributes: cost, time to perform method, ease of use, accuracy, and the utility of these methods in visual grading of entheses. The accuracy category measured such aspects as colouration and texture of the 3D image in comparison to the remains it was modelled after. The entheses on the 3D models were also visually graded to measure how accurately the 3D models could be evaluated using an ordinal method, such as Villotte’s (2006) method of entheseal analysis, in comparison to the same analysis performed with the physical remains. It was found that photogrammetric models were highly accurate at representing the qualitative attributes of the remains (colour, texture, etc.) while being both cost effective and easy to create. The laser scanned models were likewise easy to create, though they were far more expensive, and not qualitatively accurate. However, neither method was sufficiently accurate at entheseal grading. Overall, the aspects of photogrammetry made for a far more accessible method for researchers due to its low costs, ease to implement, and the little time needed for data collection, but it must be done with equipment that can produce higher resolution 3D models.
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Nathan Homerski (2023). Accessibility in Bioarchaeology: Methods of 3D Imaging of Entheses. UWSpace. http://hdl.handle.net/10012/19075