Comparison of three full-field optical measurement techniques applied to vibration analysis

P O'donoughue, F Gautier, E Meteyer… - Scientific Reports, 2023 - nature.com
Digital image correlation, deflectometry and digital holography are some of the full-field
optical measurement techniques that have matured in recent years. Their use in …

[HTML][HTML] Towards reduced CNNs for de-noising phase images corrupted with speckle noise

M Tahon, S Montresor, P Picart - Photonics, 2021 - mdpi.com
Digital holography is a very efficient technique for 3D imaging and the characterization of
changes at the surfaces of objects. However, during the process of holographic …

Deep learning speckle de-noising algorithms for coherent metrology: a review and a phase-shifted iterative scheme

S Montresor, M Tahon, P Picart - JOSA A, 2022 - opg.optica.org
We present a review of deep learning algorithms dedicated to the processing of speckle
noise in coherent imaging. We focus on methods that specifically process de-noising of input …

Full-field force identification with high-speed digital holography

E Meteyer, F Foucart, M Secail-Geraud, P Picart… - … Systems and Signal …, 2022 - Elsevier
This paper proposes a full and large field, high spatial resolution, contact-less, and non-
intrusive approach for force retrieval at different excitation regimes of mechanical structures …

Modeling of speckle decorrelation in digital Fresnel holographic interferometry

E Meteyer, F Foucart, C Pezerat, P Picart - Optics Express, 2021 - opg.optica.org
This paper presents analytical modeling of the speckle decorrelation noise in digital Fresnel
holographic interferometry. The theoretical analysis is carried out by considering the …

Recent advances in speckle decorrelation modeling and processing in digital holographic interferometry

P Picart - Photonics Letters of Poland, 2021 - photonics.pl
Digital holography, and especially digital holographic interferometry, is a powerful approach
for the characterization of modifications at the surface or in the volume of objects …

In-vivo sound localization of anurans made possible by digital holography

R Kieber, S Letourneur, M Sowinski, N Joly… - … Holography and Three …, 2024 - opg.optica.org
In-vivo sound localization of anurans made possible by digital holography Page 1 In-vivo sound
localization of anurans made possible by digital holography Rémi Kieber1, Stéphane Letourneur1 …

Review of deep learning based de-noising algorithms for phase imaging and applications to high-speed coherent imaging

S Montresor, M Tahon, P Picart - Digital Holography and Three …, 2021 - opg.optica.org
Review of deep learning based de-noising algorithms for phase imaging and applications to
high-speed coherent imaging Page 1 Review of deep learning based de-noising algorithms for …

Contrôle des vibrations de flexion des plaques minces au moyen de Trous Noirs Acoustiques augmentés

G Raybaud - 2022 - theses.hal.science
Le contrôle des vibrations des structures minces sous une contrainte d'allègement constitue
un enjeu important en ingénierie mécanique, notamment aéronautique et spatiale …

In vivo investigation of anuran sound localization with achiral digital Fresnel holography

R Kieber, S Letourneur, M Sowinski… - … and Photonics for …, 2024 - spiedigitallibrary.org
This paper presents a methodology and related experimental results as a first attempt to
answer the question of anuran audition and their ability to localize sound at acoustic …