Application of Structured‐Light 3‐D Scanning to the Documentation of Plastic Fingerprint Impressions: A Quality Comparison with Traditional Photography

Zhang, Wuchen; Kosiorek, Deborah A.; Brodeur, Amy N.

doi:10.1111/1556-4029.14249

Cited by 9 publications

(8 citation statements)

References 13 publications

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“…Winkler et al 32 assessed the trueness and precision of scanners intended for scanning smaller areas (i.e., intraoral scanners), including the Artec Space Spider, and concluded that the latter was superior to the intraoral scanners. The high resolution makes it even possible to capture fingerprints accurately 33 . Nevertheless, further research has to be done with patients to compare the widely used 3dMD-system with the Artec Space Spider scanner.…”

Section: Discussionmentioning

confidence: 99%

Reproducibility of 3D scanning in the periorbital region

Hollander

Kraeima

Meesters

et al. 2021

Sci Rep

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The reproducibility of scanning in the periorbital region with 3D technology to enable objective evaluations of surgical treatment in the periorbital region was assessed. Facial 3D-scans of 15 volunteers were captured at different time points with a handheld Artec Space Spider structured light scanner. Two scans were made with a one minute interval and repeated after 1 year; for both a natural head position and with the head in a fixation-device. On assessing the area between the eyelashes and eyebrows, the medians of the average deviations between the various cross-sections of the one minute interval 3D-scans ranged from 0.17 to 0.21 mm at baseline, and from 0.10 to 0.11 mm when the minute-interval scanning was repeated one year later. The systematic differences when scanning in a natural head position and fixated position were comparable. The reproducibility of the 3D processing was excellent (intraclass correlation coefficient > 0.9). The repeated scanning deviations (baseline versus one year data) were well within the accepted clinical threshold of 1 mm. Scanning with a hand-held 3D-scanning device (Artec Space Spider) is a promising tool to assess changes in the periorbital region following surgical treatment since the median deviations are well below the clinically accepted 1 mm measuring error, for both the natural head and fixated positions.

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Section: Discussionmentioning

confidence: 99%

Reproducibility of 3D scanning in the periorbital region

Hollander

Kraeima

Meesters

et al. 2021

Sci Rep

View full text Add to dashboard Cite

show abstract

“…They also report that the real accuracy of distance measurements on the scan is much lower than the one declared by the scanners' manufacturers. In a more specific domain, the authors in [9] study the utilisation of 3D scanning of fingerprint impressions as encountered on different materials compared to traditional 2D photography. They utilised two scanners, an inEos X5, which is a tabletop device, specialised for dental use, and a handheld structured light scanner (Artec Space Spider).…”

Section: Related Workmentioning

confidence: 99%

A Study of 3D Digitisation Modalities for Crime Scene Investigation

et al. 2021

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A valuable aspect during crime scene investigation is the digital documentation of the scene. Traditional means of documentation include photography and in situ measurements from experts for further analysis. Although 3D reconstruction of pertinent scenes has already been explored as a complementary tool in investigation pipelines, such technology is considered unfamiliar and not yet widely adopted. This is explained by the expensive and specialised digitisation equipment that is available so far. However, the emergence of high-precision but low-cost devices capable of scanning scenes or objects in 3D has been proven as a reliable alternative to their counterparts. This paper summarises and analyses the state-of-the-art technologies in scene documentation using 3D digitisation and assesses the usefulness in typical police-related situations and the forensics domain in general. We present the methodology for acquiring data for 3D reconstruction of various types of scenes. Emphasis is placed on the applicability of each technique in a wide range of situations, ranging in type and size. The application of each reconstruction method is considered in this context and compared with respect to additional constraints, such as time availability and simplicity of operation of the corresponding scanning modality. To further support our findings, we release a multi-modal dataset obtained from a hypothetical indoor crime scene to the public.

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“…The study tested precision, and not trueness, because the true form of the specimens would be difficult to obtain in such high detail. However, the fact that precision was high in all different tested scenarios (various anatomical form configurations in different surface conditions), along with the established trueness of the scanner in various other models [ 16 , 18 , 19 , 20 , 21 ], strongly indicates that high accuracy would also be evident in the skeletal surfaces tested here. The high accuracy of this scanner has already been exhibited in previous studies testing different surfaces such as teeth [ 16 ], human skin [ 18 , 19 ], human fingerprints depicted in plastic materials [ 20 ], or even in difficult-to-scan objects [ 21 ].…”

Section: Discussionmentioning

confidence: 66%

Precision of a Hand-Held 3D Surface Scanner in Dry and Wet Skeletal Surfaces: An Ex Vivo Study

et al. 2022

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Three-dimensional surface scans of skeletal structures have various clinical and research applications in medicine, anthropology, and other relevant fields. The aim of this study was to test the precision of a widely used hand-held surface scanner and the associated software’s 3D model generation-error in both dry and wet skeletal surfaces. Ten human dry skulls and ten mandibles (dry and wet conditions) were scanned twice with an industrial scanner (Artec Space Spider) by one operator. Following a best-fit superimposition of corresponding surface model pairs, the mean absolute distance (MAD) between them was calculated on ten anatomical regions on the skulls and six on the mandibles. The software’s 3D model generation process was repeated for the same scan of four dry skulls and four mandibles (wet and dry conditions), and the results were compared in a similar manner. The median scanner precision was 31 μm for the skulls and 25 μm for the mandibles in dry conditions, whereas in wet conditions it was slightly lower at 40 μm for the mandibles. The 3D model generation-error was negligible (range: 5–10 μm). The Artec Space Spider scanner exhibits very high precision in the scanning of dry and wet skeletal surfaces.

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Application of Structured‐Light 3‐D Scanning to the Documentation of Plastic Fingerprint Impressions: A Quality Comparison with Traditional Photography

Cited by 9 publications

References 13 publications

Reproducibility of 3D scanning in the periorbital region

Reproducibility of 3D scanning in the periorbital region

A Study of 3D Digitisation Modalities for Crime Scene Investigation

Precision of a Hand-Held 3D Surface Scanner in Dry and Wet Skeletal Surfaces: An Ex Vivo Study

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