A state of the art in structured light patterns for surface profilometry

  • Authors:

  • Joaquim Salvi;Sergio Fernandez;Tomislav Pribanic;Xavier Llado

  • Affiliations:

  • Institute of Informatics and Applications, University of Girona, Av. Lluis Santalo S/N, E-17071 Girona, Spain;Institute of Informatics and Applications, University of Girona, Av. Lluis Santalo S/N, E-17071 Girona, Spain;Faculty of Electrical Engineering and Computing, University of Zagreb, Unska 3, HR-10000 Zagreb, Croatia;Institute of Informatics and Applications, University of Girona, Av. Lluis Santalo S/N, E-17071 Girona, Spain

  • Venue:
  • Pattern Recognition
  • Year:
  • 2010

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Abstract

Shape reconstruction using coded structured light is considered one of the most reliable techniques to recover object surfaces. Having a calibrated projector-camera pair, a light pattern is projected onto the scene and imaged by the camera. Correspondences between projected and recovered patterns are found and used to extract 3D surface information. This paper presents an up-to-date review and a new classification of the existing techniques. Some of these techniques have been implemented and compared, obtaining both qualitative and quantitative results. The advantages and drawbacks of the different patterns and their potentials are discussed.