Comparing 3D digitizing technologies: What are the differences?

Mathys, Aurore; Brecko, Jonathan; Semal, Patrick

doi:10.1109/digitalheritage.2013.6743733

Cited by 39 publications

(36 citation statements)

References 1 publication

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“…coloured polygon mesh of triangles, [14] and [15]. In summary, photogrammetry and SfM are applicable for objects of variable scale and surface properties [16] and therefore also applicable to the small Roman coins of this study.…”

Section: Photogrammetry and Structure From Motion (Sfm)mentioning

confidence: 99%

Application of multi-modal 2D and 3D imaging and analytical techniques to document and examine coins on the example of two Roman silver denarii

2018

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This case study is applying imaging and analytical techniques from multiple scientific disciplines to digitise coins and evaluate 3D multi-modal visualisation. Two ancient Roman silver denarii were selected as test objects to establish whether the proposed digital recording methods can support professional numismatic comparison of features and properties. The coins raise questions concerning their provenance, authenticity, design, purpose of issue and historic usage, but they also pose considerable recording challenges due to their material and surface properties, which are the main focus in this paper. The coins have been examined by the following techniques: dome photography for image sets for PTM/RTI visualisation and photometric stereo; X-ray microtomography for detection of cracks or impurities; Scanning Electron Microscopy for detailed surface investigation; Energy-Dispersive X-ray Spectroscopy for elemental analysis; micro X-ray fluorescence spectrometry mapping; 3D laser and structured light scanning for 3D spatial capture; photogrammetry/structure from motion, focus-stacking. The results indicate the feasibility of such techniques for museum documentation and as contribution to scientific examination of coins in general.

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Section: Photogrammetry and Structure From Motion (Sfm)mentioning

confidence: 99%

Application of multi-modal 2D and 3D imaging and analytical techniques to document and examine coins on the example of two Roman silver denarii

2018

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“…This is an attractive tool for museum professionals, palaeontologists and other fans of 3D digitization of surface and colour. (Mathys et al 2013). The manufacturer specifies that for the specific set-up used the accuracy is at 0.38mm.…”

Section: Team 4: 3d Laser Scanning -Mid-divisionmentioning

confidence: 99%

A contest of sensors in close range 3D imaging: performance evaluation with a new metric test object

Hess

Robson

Ahmadabadian

2014

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:An independent means of 3D image quality assessment is introduced, addressing non-professional users of sensors and freeware, which is largely characterized as closed-sourced and by the absence of quality metrics for processing steps, such as alignment. A performance evaluation of commercially available, state-of-the-art close range 3D imaging technologies is demonstrated with the help of a newly developed Portable Metric Test Artefact. The use of this test object provides quality control by a quantitative assessment of 3D imaging sensors. It will enable users to give precise specifications which spatial resolution and geometry recording they expect as outcome from their 3D digitizing process. This will lead to the creation of high-quality 3D digital surrogates and 3D digital assets. The paper is presented in the form of a competition of teams, and a possible winner will emerge.

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“…As part of the Agora 3D project [1], we have been analysing the different methods of 3D digitisation of both natural history and cultural heritage collections, enabling us to test a wide range of different materials.…”

Section: Introductionmentioning

confidence: 99%

“…Reviews on the quality of 3D models already exist [1], [2], [3], but few studies have focused on the influence of material on the 3D model. Unlike engineers, cultural heritage researchers often found themselves confronted with this issue.…”

Section: Introductionmentioning

confidence: 99%

3D and challenging materials

Mathys¹,

Brecko²,

Spiegel³

et al. 2015

2015 Digital Heritage

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Museum collections are composed of many different materials with different optical properties. These properties are an important factor to consider when using 3D digitisation as museum artefacts cannot be sprayed with an opaque coating to avoid reflection and facilitate 3D scanning. In this paper we review a wide variety of materials and techniques in order to propose guidelines for the 3D digitisation of different materials.

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Comparing 3D digitizing technologies: What are the differences?

Cited by 39 publications

References 1 publication

Application of multi-modal 2D and 3D imaging and analytical techniques to document and examine coins on the example of two Roman silver denarii

Application of multi-modal 2D and 3D imaging and analytical techniques to document and examine coins on the example of two Roman silver denarii

A contest of sensors in close range 3D imaging: performance evaluation with a new metric test object

3D and challenging materials

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