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Journal Publication

Efficient multiscale phase unwrapping methodology with modulo wavelet transform

This publication appears in: Optics Express

Authors: D. Blinder, H. Ottevaere, A. Munteanu and P. Schelkens

Volume: 24

Issue: 20

Pages: 23094-23108

Publication Date: Oct. 2016


Abstract:

Many robust phase unwrapping algorithms are computationally very time-consuming, making them impractical for handling large datasets or real-time applications. In this paper, we propose a generic framework using a novel wavelet transform that can be combined with many types of phase unwrapping algorithms. By inserting reversible modulo operators in the wavelet transform, the number of coefficients that need to be unwrapped is significantly reduced, which results in large computational gains. The algorithm is tested on various types of wrapped phase imagery, reporting speedup factors of up to 500. The source code of the algorithm is publicly available.

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Mr. David Blinder

+32 (0)02 629 169

dblinder@etrovub.be

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Prof. Dr. Ir. Adrian Munteanu

+32 (0)02 629 168

acmuntea@etrovub.be

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Prof. Dr. Ir. Peter Schelkens

+32 (0)02 629 168

pschelke@etrovub.be

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