Three Methods For The Interpolation Of Phase Values Between Fringe Pattern Skeletons

Ulrike Mieth; Wolfgang Osten

doi:10.1117/12.961263

3 April 1989 Three Methods For The Interpolation Of Phase Values Between Fringe Pattern Skeletons

Ulrike Mieth, Wolfgang Osten

Proceedings Volume 1121, Interferometry '89; (1989) https://doi.org/10.1117/12.961263
Event: Interferometry '89, 1989, Warsaw, Poland

Abstract

For measuring displacement fields by means of holographic interferometry interferograms are analyzed with the skeleton method. To get information about phase distribution after constructing the skelton of the fringe pattern by computer-aided digital image processing an interpolation between skeleton lines is necessary. For evaluating phase values on a regular grid three interpolation methods are described and discussed in this paper.

Citation Download Citation

Ulrike Mieth and Wolfgang Osten "Three Methods For The Interpolation Of Phase Values Between Fringe Pattern Skeletons", Proc. SPIE 1121, Interferometry '89, (3 April 1989); https://doi.org/10.1117/12.961263

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