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Making Historical Gyroscopes Alive-2D and 3D Preservations by Sensor Fusion and Open Data Access.

Dieter Fritsch1, Jörg F Wagner2, Beate Ceranski3

  • 1Institute for Photogrammetry, University of Stuttgart, 70174 Stuttgart, Germany.

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Summary

This study presents a new method for digitizing historical instruments like gyroscopes, creating precise 3D digital twins for cultural heritage preservation and open access. This pioneering work enhances the accessibility and future study of technological artifacts.

Keywords:
computed tomographycomputer visionconvolutional neural networksdata fusiondense image matchingdigital twinendoscopyhistory of technologyinertial sensorsnavigation instrumentsphotogrammetrysensor fusionstructure-from-motion

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Area of Science:

  • Heritage Science
  • Mechanical Engineering
  • Digital Humanities

Background:

  • Cultural heritage preservation includes historical instruments.
  • Technological advancements like gyroscopes have a 200-year history.
  • Institutions are increasingly digitizing collections for wider access.

Purpose of the Study:

  • To present a novel workflow for creating high-precision digital twins of historical instruments.
  • To digitize a collection of 160 exhibits at the University of Stuttgart.
  • To make digitized heritage accessible globally via open access platforms.

Main Methods:

  • Digitization using 2D, 2.5D, and 3D techniques.
  • Application of computed tomography, computer vision, endoscopy, and photogrammetry.
  • Novel workflow combining voxel representations and colored point clouds for digital twins.

Main Results:

  • Achieved 0.1 mm precision in creating digital twins.
  • Developed a pioneering method for combining voxel representations and colored point clouds.
  • Established a digitized collection of 160 exhibits available on open access platforms.

Conclusions:

  • The novel digitization workflow offers high precision for tech heritage.
  • Digital twins enhance the preservation and accessibility of historical instruments.
  • Future work will explore further advancements in tech heritage digitization.