A Digital Passport to the Past: The ‘Accidental’ Public Archaeology of the Virtual Curation Laboratory

Means, Bernard K.

doi:10.1080/14655187.2016.1258916

Cited by 2 publications

(1 citation statement)

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“…The latter point is of particular interest as it minimises the need to handle fragile specimens, saves time and fiscal resources for researchers and museum/collection personnel, fosters the advancement of next-generation research through ease of sharing, encourages collaboration among researchers and institutions, and can increase accessibility to the general public (Allison, 2008;Douglass et al, 2017;Means, 2015Means, , 2017Selden Jr. et al, 2014a;Wachowiak & Karas, 2013;Weber, 2015). Virtual databases have allowed for the continuation of research during the COVID-19 pandemic, during which time museum travel-and travel in general-has largely been limited or restricted.…”

Section: Introductionmentioning

confidence: 99%

Considerations for post-processing parameters in mixed-method 3-D analyses: A Mesolithic mandibular case study

Selden¹,

butaric²,

Bergstrom³

et al. 2021

Preprint

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The production of three-dimensional (3-D) digital meshes of surface and computed tomographic (CT) data has become widespread in morphometric analyses of anthropological and archaeological data. Given that processing methods are not standardised, this leaves questions regarding the comparability of processed and digitally curated 3-D datasets. The goal of this study was to identify those processing parameters that result in the most consistent fit between CT-derived meshes and a 3-D surface model of the same human mandible. Eight meshes, each using unique thresholding and smoothing parameters, were compared to assess whole-object deviations, deviations along curves, and deviations between specific anatomical features on the surface model when compared with the CT scans using a suite of \textit{comparison points}. Based on calculated gap distances, the mesh thresholded at "0" with an applied smoothing technique was found to deviate least from the surface model; although, it is not the most biologically accurate. Results have implications for aggregated studies that employ multi-modal 3-D datasets, and caution is recommended for studies that enlist 3-D data from websites and digital repositories, particularly if processing parameters are unknown or derived for studies with different research foci.

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Section: Introductionmentioning

confidence: 99%

Considerations for post-processing parameters in mixed-method 3-D analyses: A Mesolithic mandibular case study

Selden¹,

butaric²,

Bergstrom³

et al. 2021

Preprint

View full text Add to dashboard Cite

show abstract

Considerations for Post-processing Parameters in Mixed-Method 3D Analyses

Selden

Butaric

Bergstrom

et al. 2021

Adv. archaeol. pract.

View full text Add to dashboard Cite

The production of three-dimensional (3D) digital meshes of surface and computed tomographic (CT) data has become widespread in morphometric analyses of anthropological and archaeological data. Given that processing methods are not standardized, this leaves questions regarding the comparability of processed and digitally curated 3D datasets. The goal of this study was to identify those processing parameters that result in the most consistent fit between CT-derived meshes and a 3D surface model of the same human mandible. Eight meshes, each using unique thresholding and smoothing parameters, were compared to assess whole-object deviations, deviations along curves, and deviations between specific anatomical features on the surface model when compared with the CT scans using a suite of comparison points. Based on calculated gap distances, the mesh that thresholded at “0” with an applied smoothing technique was found to deviate least from the surface model, although it is not the most biologically accurate. Results have implications for aggregated studies that employ multimodal 3D datasets, and caution is recommended for studies that enlist 3D data from websites and digital repositories, particularly if processing parameters are unknown or derived for studies with different research foci.

show abstract

A Digital Passport to the Past: The ‘Accidental’ Public Archaeology of the Virtual Curation Laboratory

Cited by 2 publications

References 1 publication

Considerations for post-processing parameters in mixed-method 3-D analyses: A Mesolithic mandibular case study

Considerations for post-processing parameters in mixed-method 3-D analyses: A Mesolithic mandibular case study

Considerations for Post-processing Parameters in Mixed-Method 3D Analyses

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