Holographic interferometry deformations metrology by using AR modeling

Mokdad, Rabah; El-Hafidi, Idriss; Meyrueis, Patrick

doi:10.1117/12.544098

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“…Parametric methods are well known for performing well with short records and noisy signals. A parametric (AR2) model is applied to the signal at each position of the sliding window [11,12]. The objective is to determine the z-distance between the particle and the sensor.…”

Section: Introductionmentioning

confidence: 99%

Micro-particle localization by parametric modeling analysis of digital holograms

Boukellal

Boumrar

Mokdad

et al. 2015

J Opt

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We propose in this paper a digital hologram analysis based on a parametric method with the purpose of determining the distance between a small spherical particle and the sensor. The in-line Fraunhofer hologram of the particle is considered. The parametric method is implemented with a sliding window to extract the frequency of the chirped signal. A good agreement between simulations and results obtained by other authors is observed.

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Section: Introductionmentioning

confidence: 99%