Fast locally adaptive method for optical fringe pattern filtering

Mikolaj Rogalski,Jedrzej Szpygiel,Antonio Cicone,Maciej Trusiak

INTERFEROMETRY XXI（2022）

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摘要

We present an algorithm for robust and automatic optical fringe pattern filtration called locally adaptive filtration (LAF). We compare it with the reference method and show the advantages of LAF filtration, especially in terms of low-contrast (low SNR and high background modulation) fringes.

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关键词

fringe pattern filtration,interferometry,denoising,detrending,Hilbert spiral transform

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