Per Bergström

  1. 2014
  2. E-pub ahead of print

    Single Shot Dual-Wavelength Digital Holography: Calibration Based on Speckle Displacements

    Khodadad, D., Bergström, P., Hällstig, E. & Sjödahl, M. 8 Aug 2014 In : International Journal of Optomechatronics.

    Publication: Research - peer-reviewJournal article

  3. Published

    Dual-wavelength digital holography: single-shot shape evaluation using speckle displacements and regularization

    Bergström, P., Khodadad, D., Hällstig, E. & Sjödahl, M. 1 Jan 2014 In : Applied Optics. 53, 1, p. 123-131 9 p.

    Publication: Research - peer-reviewJournal article

  4. Published

    Robust registration of point sets using iteratively reweighted least squares

    Bergström, P. & Edlund, O. 2014 In : Computational Optimization and Applications. 58, 3, p. 543-561 19 p.

    Publication: Research - peer-reviewJournal article

  5. Published

    Single shot shape evaluation using dual-wavelength holographic reconstructions and regularization

    Bergström, P., Khodadad, D., Hällstig, E. & Sjödahl, M. 2014 Fringe 2013: 7th International Workshop on Advanced Optical Imaging and Metrology. Osten, W. (ed.). Berlin : Springer, p. 103-108 6 p.

    Publication: Research - peer-reviewArticle in proceedings

  6. 2012
  7. Published

    Efficient computation of the Gauss-Newton direction when fitting NURBS using ODR

    Bergström, P., Edlund, O. & Söderkvist, I. 2012 In : Bit (Lisse). 52, 3, p. 571-588 18 p.

    Publication: Research - peer-reviewJournal article

  8. Published

    Fitting NURBS using separable least squares techniques

    Bergström, P. & Söderkvist, I. 2012 In : International Journal of Mathematical Modelling and Numerical Optimisation. 3, 4, p. 319 - 334 16 p.

    Publication: Research - peer-reviewJournal article

  9. Published

    Perspective depth extraction of points on a surface under an instantaneous rigid body transformation

    Bergström, P. 2012 In : Journal of Computing and Information Science in Engineering. 12, 2, 6 p.

    Publication: Research - peer-reviewJournal article

  10. 2011
  11. Published

    Computational methods for shape verification of free-form surfaces

    Bergström, P. Sep 2011 Luleå: Luleå tekniska universitet. 240 p. (Doctoral thesis / Luleå University of Technology).

    Publication: ResearchDoctoral thesis

  12. Published

    Shape verification using dual-wavelength holographic interferometry

    Bergström, P., Rosendahl, S., Gren, P. & Sjödahl, M. Jun 2011 In : Optical Engineering. 50, 10, p. Art.no 101503 8 p.

    Publication: Research - peer-reviewJournal article

  13. Published

    Dual-wavelength holographic shape measurement with iterative phase unwrapping

    Rosendahl, S., Bergström, P., Gren, P. & Sjödahl, M. 26 May 2011 Optical Measurement Systems for Industrial Inspection VII. Lehmann, P. H., Osten, W. & Gastinger, K. (eds.). Bellingham, Wash.: SPIE - International Society for Optical Engineering, p. 80820B 10 p. (Proceedings of SPIE, the International Society for Optical Engineering; No. 8082).

    Publication: Research - peer-reviewArticle in proceedings

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