Comparison of Methods for Determining the Contrast Distribution in Interference Images with Speckle Noise

• Authors: L. Pyziak , M. Matczak , P. Zięba
• Languages of publication: EN

Abstracts

EN

Information about certain physical states of an examined object is encoded in the distribution of the fringe contrast in the metrological interference images of the object. Determining the contrast is one of the steps of converting the image into the distribution of the measured quantity in holographic fringe-contrast interferometry. In this paper, three methods of determining the fringe contrast in interference images containing speckle noise are compared. As the criterion for comparing the methods, the mean absolute error has been used. It turns out, in accordance with this criterium, the most effective method is the phase-shifting one.

Keywords

EN

42.25.Hz; 42.30.-d; 42.30.Kq; 42.30.Ms

Discipline

• 42.25.Hz: Interference
• 42.30.Kq: Fourier optics
• 42.30.Ms: Speckle and moiré patterns
• 42.30.-d: Imaging and optical processing

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 1
• Pages: 173-175

Dates

published

2017-07

Contributors

author

L. Pyziak

• Faculty of Mathematics and Applied Physics, Rzeszów University of Technology, al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland

author

M. Matczak

• Interfaculty Division of Mathematics and Natural Sciences, The State Higher School of Technology and Economics, S. Czarnieckiego 16, 37-500 Jarosław, Poland

author

P. Zięba

• Faculty of Mathematics and Natural Sciences, University of Rzeszów, S. Pigonia 1, 35-310 Rzeszów, Poland

References

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Identifiers

DOI

10.12693/APhysPolA.132.173