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Valentina Alena Girelli

Senior assistant professor (fixed-term)

Department of Civil, Chemical, Environmental, and Materials Engineering

Academic discipline: ICAR/06 Surveying and Mapping


Keywords: Geomatics, 3D Surveying, 3D Modelling, Laser scanner, Digital Photogrammetry, Cultural Heritage

The research is primarily focused on the in-depth analysis of the potential and potentialities and problems offered by the most modern 3D survey techniques, in particular aerial and close-range digital photogrammetry and terrestrial laser scanning, with the aim of the geometric characterization and 3D modelling of objects of different sizes, from the territory to structures and infrastructures, until to the sub-millimetric surveying of small objects.

The addressed issues, which have been realized in several study cases within multidisciplinary researches, were many:

  • geometric analysis for the documentation, the decay study and the restoration
  • monitoring of structures and land, also in case of disasters (e.g. landslides)
  • processing of aerial and terrestrial thermal images
  • calibration of amateur digital cameras, using commercial and in-house software
  • calibration of terrestrial thermal cameras
  • fusion of multi-source data
  • 3D terrain and surface modelling for environmental and not applications
  • orthophoto generation in architecture and for the mapping in large scale for wide areas
  • recycling of amateur terrestrial images
  • recycling of historical aerial images for the land multi-temporal analysis
  • recycling of high resolution declassified remote sensing images
  • georeferencing of high resolution remote sensing images by means of GNSS techniques
  • metrical comparison of 3D models obtained using different technologies and techniques
  • DTM generation by frame and high resolution remote sensing stereoscopic images
  • use of UAV data in archaeology
  • study of the decay on historic stonework
  • application of laser scanning for the characterization of road pavements surface texture
  • photogrammetric applications in Antarctica
  • geometric characterization of 3d-printed constructive elements

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