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Proceedings Paper

Phase recovery from interference fringes by Hilbert transform
Author(s): Zehra Saraç; H. Gülay Birkök; Ahmet Emir; Ali Dursun
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Paper Abstract

This paper proposes the use of the Hilbert transform for analysis of fringe patterns, which are obtained in Michelson Interferometer. The fringe patterns are evaluated by Continuous wavelet transform and Hilbert transform algorithms to obtain phase map and refractive index. Continuous wavelet transform algorithm shows a better filtering effect. However Hilbert transform algorithm gives a noisy result, since its frequency spectrum has harmonic noise. Results show that the phase map is affected by Hilbert Filter.

Paper Details

Date Published: 2 September 2009
PDF: 9 pages
Proc. SPIE 7443, Applications of Digital Image Processing XXXII, 74431I (2 September 2009); doi: 10.1117/12.824866
Show Author Affiliations
Zehra Saraç, Zonguldak Karaelmas Univ. (Turkey)
H. Gülay Birkök, Gebze Institute of Technology (Turkey)
Ahmet Emir, Kocaeli Univ. (Turkey)
Ali Dursun, Gebze Institute of Technology (Turkey)


Published in SPIE Proceedings Vol. 7443:
Applications of Digital Image Processing XXXII
Andrew G. Tescher, Editor(s)

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