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Laser-Induced Fluorescence Emission L.I.F.E. as Novel Non-Invasive Tool for In-Situ Measurements of Biomarkers in Cryospheric Habitats
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Estimating Biological Characteristics With Virtual Laser Data.

Ryan A Mullins1, John Albanese1

  • 1University of Windsor, 401 Sunset Avenue, Windsor, ON, N9B 3P4, Canada.

Journal of Forensic Sciences
|August 24, 2017
PubMed
Summary
This summary is machine-generated.

Forensic anthropology increasingly uses laser scanning for virtual data. This study found laser scanners accurately measure skeletal remains, producing reliable estimates for sex and stature, even with a slight under-measurement tendency.

Keywords:
FARO Focus3DFARO Freestyle3Dforensic anthropologyforensic archeologyforensic sciencehuman identificationlaser scannerssex and stature estimationthree-dimensional imagingvirtual measurements

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Area of Science:

  • Forensic Anthropology
  • Biometric Measurement
  • Digital Archiving

Background:

  • Laser scanning technology is gaining traction in forensic anthropology for virtual data acquisition.
  • Applications include archival purposes and post-mortem measurements.
  • The accuracy of laser scanning for biological characteristic estimation requires further investigation.

Purpose of the Study:

  • To compare the measurement accuracy of two laser scanners (FARO Focus3D 330X and FARO Freestyle3D) against traditional manual measurements.
  • To evaluate the utility of laser scanning data for estimating biological characteristics like sex and stature.
  • To assess the potential of virtual data in forensic anthropological analyses.

Main Methods:

  • Collected skeletal data (N=454) for comparison.
  • Acquired measurements using the FARO Focus3D 330X and FARO Freestyle3D laser scanners.
  • Compared scanner-derived measurements against traditional, hand-obtained control data.

Main Results:

  • Both laser scanners yielded measurements highly comparable to control data, with an average absolute error of approximately 3 mm.
  • A consistent tendency for laser scanners to under-measure skeletal elements was observed.
  • Virtual data generated sex and stature estimates closely mirroring those from physical measurements.

Conclusions:

  • Laser scanning technology provides accurate measurements for forensic anthropological applications.
  • Despite a slight under-measurement bias, laser scanning data is valuable for preliminary biological identification.
  • Virtual data from laser scanning offers a viable alternative for analysis when physical skeletal remains are unavailable.