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The 3D optical metrology unit - 3DOM  of the FBK Trento concerns itself with accurate 3D measurements and reality-based 3D reconstruction problems. Amongst its special areas of expertise: Geomatics - Industrial metrology - Cultural heritage recording - Underwater photogrammetry.

A consolidated know-how has been acquired in the development of metrology solutions and 3D mapping methodologies for geomatics and geospatial problems. Terrestrial, UAV, aerial, underwater,  and satellite photogrammetry as well as triangulation and time-of-flight laser scanning are among the investigated techniques. 

The research group is devoted to industrial metrology, geospatial data analyses, sensor and data integrations, environmental monitoring, 3D change detection, derivation of metric & semantic information from images and 3D data, mapping and surveying, geomatics algorithms design and implementation, mobile mapping and SLAM, GIS and cartography applications, cultural heritage documentation & digital preservation, development of VR/AR solutions.

3DOM is involved in various optical metrology projects with the goal of providing innovative 3D inspection and monitoring solutions leveraging the latest research and development methods  for:

  • in line automatic quality control
  • 3D robot vision systems
  • unmanned aerial and ground vehicles for inspection tasks
  • high precision structural monitoring for large structures
  • augmented reality assisted assembling
  • precise alignment
  • dimensional tolerancing
  • multi-temporal inspection and monitoring

We apply different optical metrology techniques, mainly based on photogrammetry and range imaging, structured light, laser scanning, multi-view photometric stereo and thermal imaging. We integrate and develop innovative sensors and techniques upon state of the art methods also based on artificial intelligence to deal with:

  • anomaly detection (3D deformation, surface scratches, defects, misassembled parts)
  • 3D reconstruction and inspection of optically non-collaborative surfaces (e.g. texture-less, highly reflective , translucent, transparent)
  • high speed applications
  • extreme environments such as high (>1000 Celsius) and low temperatures (-40 degrees), high pressure, underwater
  • low-cost 3D sensor calibration and characterization

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