Automated low-cost photogrammetric acquisition of 3D models from small form-factor artefacts

The photogrammetric acquisition of 3D object models can be achieved by Structure from Motion (SfM) computation of photographs taken from multiple viewpoints. All-around 3D models of small artefacts with complex geometry 
The photogrammetric acquisition of 3D object models can be achieved by Structure from Motion (SfM) computation of photographs taken from multiple viewpoints. All-around 3D models of small artefacts with complex geometry can be difficult to acquire photogrammetrically and the precision of the acquired models can be diminished by the generic application of automated photogrammetric workflows. In this paper, we present two versions of a complete rotary photogrammetric system and an automated workflow for all-around, precise, reliable and low-cost acquisitions of large numbers of small artefacts, together with consideration of the visual quality of the model textures. The acquisition systems comprise a turntable and (i) a computer and digital camera or (ii) a smartphone designed to be ultra-low cost (less than $150). Experimental results are presented which demonstrate an acquisition precision of less than 40 μm using a 12.2 Megapixel digital camera and less than 80 μm using an 8 Megapixel smartphone. The novel contribution of this work centres on the design of an automated solution that achieves high-precision, photographically textured 3D acquisitions at a fraction of the cost of currently available systems. This could significantly benefit the digitisation efforts of collectors, curators and archaeologists as well as the wider population.
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Author:Tim Collins, Sandra I. Woolley, Erlend Gehlken, Eugene Ch'ng
URN:urn:nbn:de:hebis:30:3-527467
DOI:http://dx.doi.org/10.3390/electronics8121441
ISSN:2079-9292
Parent Title (English):Electronics
Publisher:MDPI
Place of publication:Basel
Document Type:Article
Language:English
Year of Completion:2019
Date of first Publication:2019/12/01
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2020/02/12
Tag:3D acquisition; cuneiform; digital heritage; photogrammetry; virtual reconstruction
Volume:8
Issue:12, Art. 1441
Pagenumber:17
First Page:1
Last Page:17
Note:
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
HeBIS PPN:46139670X
Institutes:Kulturwissenschaften
Dewey Decimal Classification:930 Geschichte des Altertums bis ca. 499, Archäologie
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 4.0

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