Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Amir Nahas"'
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Akademický článek
Full-Field Optical Coherence Tomography as a Diagnosis Tool: Recent Progress with Multimodal Imaging
Autor: Olivier Thouvenin, Clement Apelian, Amir Nahas, Mathias Fink, Claude Boccara
Publikováno v: Applied Sciences, Vol 7, Iss 3, p 236 (2017)
Full-field optical coherence tomography (FF-OCT) is a variant of OCT that is able to register 2D en face views of scattering samples at a given depth. Thanks to its superior resolution, it can quickly reveal information similar to histology without t
Externí odkaz: https://doaj.org/article/9fc160345aaa4692b1c65c71f81d1bca
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3
Microscopie interférométrique
Autor: Rémy CLAVEAU, Sébastien MARBACH, Stéphane PERRIN, Amir NAHAS, Manuel FLURY, Paul MONTGOMERY
Publikováno v: Imagerie optique non conventionnelles pour la biologie
Imagerie optique non conventionnelles pour la biologie, ISTE Editions, 2023, 978-1-178948-132-7
Imageries optiques non conventionnelles pour la biologie ISBN: 9781789481327
La microscopie interférométrique est aujourd’hui une technique mature de métrologie optique sans contact permettant d’accéder à diverses informations en surface ou volume. Ce chapitre décrit les principes, la théorie sous-jacente, les algo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e1b82d0eabd9bf3603020f0b63f4b7a7
https://hal.science/hal-03974492
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4
Single-shot off-axis full-field optical coherence tomography
Autor: Emmanuel Martins Seromenho, Agathe Marmin, Sybille Facca, Nadia Bahlouli, Stephane Perrin, Amir Nahas
Publikováno v: Applied Physics Letters
Applied Physics Letters, 2022, 121 (11), pp.113702. ⟨10.1063/5.0100944⟩
Full field optical coherence tomography (FF-OCT) enables high-resolution in-depth imaging within turbid media. In this work, we present a simple approach which combines FF-OCT with off-axis interferometry for the reconstruction of the en-face images.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::25c0044f3c15588824c1935302f6ff2c
https://hal.science/hal-04087150
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5
Time-of-flight and noise-correlation-inspired algorithms for full-field shear-wave elastography using digital holography
Autor: Gabrielle Laloy-Borgna, Sybille Facca, Amir Nahas, Stefan Catheline, Agathe Marmin, Sylvain Gioux
Publikováno v: Journal of Biomedical Optics
Journal of Biomedical Optics, 2021, ⟨10.1117/1.JBO.26.8.086006⟩
Journal of Biomedical Optics, Society of Photo-optical Instrumentation Engineers, 2021, ⟨10.1117/1.JBO.26.8.086006⟩
Significance: Quantitative stiffness information can be a powerful aid for tumor or fibrosis diagnosis. Currently, very promising elastography approaches developed for non-contact biomedical imaging are based on transient shear-waves imaging. Transie
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2f78a5e4dc0564d08801be10a8bd079
http://europepmc.org/articles/PMC8374320
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6
Time-reversal-based passive elastography using full-field digital holography
Autor: Agathe Marmin, Stefan Catheline, Amir Nahas
Publikováno v: Optical Elastography and Tissue Biomechanics VIII.
Digital holography enables the capture of phase and amplitude from a single camera frame with high sensitivity. Displacements induced by a shear-wave diffuse field are acquired at the surface of a scattering sample. From the acquisitions, the stiffne
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::02cc741576c12ef58e58e7979c4d9f54
https://doi.org/10.1117/12.2578560
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7
Noise-correlation-based elastography using digital holography in anisotropic media
Autor: Amir Nahas, Simon Chatelin, Stefan Catheline, Agathe Marmin
Publikováno v: Optical Elastography and Tissue Biomechanics VIII.
We present here our latest results on noise correlation based optical elastography using off-axis digital elastography. In this study, noise correlation elastography is used to access quantitative measurement of stiffness anisotropy. The principle is
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a70c922bc6a91033345a8c05031cbce1
https://doi.org/10.1117/12.2578645
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8
Medium and Source Anisotropy in Noise-Correlation-based Elastography
Autor: Agathe Marmin, Simon Chatelin, Manuel Flury, Sybille Facca, Stefan Catheline, Amir Nahas
Publikováno v: Journées Imagerie Optique Non Conventionnelle-GDR ISIS
Journées Imagerie Optique Non Conventionnelle-GDR ISIS, Paris, France, mars 2021
Journées Imagerie Optique Non Conventionnelle-GDR ISIS, Paris, France, mars 2021, Mar 2021, Paris, France
HAL
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ed2593a918c0cf2809d10bb578c08677
https://hal.science/hal-03622335
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9
Quantitative full-field transient elastography based on digital holography
Autor: Amir Nahas, Gabrielle Laloy-Borgna, Sybille Facca, Agathe Marmin, Stefan Catheline, Sylvain Gioux
Publikováno v: SPIE Photonics West, San Francisco, United States, février 2021
SPIE Photonics West, San Francisco, United States, février 2021, Feb 2021, San Francisco, France. 2021
Shear-wave elastography is based on the imaging of displacements induced by the propagation of shear-waves through a medium. A full-field off-axis digital holography setup is utilized here to image surface displacements with high sensitivity. A low f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b256acea63196fbdcea3efd600c94b7
https://hal.science/hal-03619176
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10
Digital Holography-based Quantitative Elastography using Noise-Correlation
Autor: Agathe Marmin, Simon Chatelin, Manuel Flury, Sybille Facca, Stefan Catheline, Amir Nahas
Publikováno v: European Conferences on Biomedical Optics (SPIE)
European Conferences on Biomedical Optics (SPIE), Apr 2021, En ligne, France
European Conferences on Biomedical Optics
European Conferences on Biomedical Optics, Jun 2021, Virtual Meeting, France
HAL
European Conferences on Biomedical Optics (SPIE), Apr 2021, En ligne, France. 2021
International audience; Quantitative elastography is performed using noise-correlation on full-field images acquired using digital holography. Experimental results isotropic and anisotropic polymer samples are presented as well as stiffness images on
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c9db055c8582bfde0a837d01adc0a07a
https://hal.science/hal-03274289
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