Experimental Study of Light Propagation in Apple Tissues Using a Multispectral Imaging System

Autor: Mohamed Lamine Askoura, Fabrice Vaudelle, Jean-Pierre L’Huillier

Publikováno v: Photonics, Vol 3, Iss 3, p 50 (2016)

This work aimed at highlighting the role played by the skin in the light propagation through the apple flesh. A multispectral Visible-Near Infrared (Vis-NIR) steady-state imaging setup based on the use of four continuous laser sources (633, 763, 784,

Externí odkaz: https://doaj.org/article/c8b6c89afd254faea9fcb6bf94c3cc39

Use of steady-state imaging setup for assessing the internal optical properties of non-spherical apple samples

Autor: Fabrice Vaudelle, Mohamed Lamine Askoura, Jean-Pierre L'Huillier

Publikováno v: Computers and Electronics in Agriculture
Computers and Electronics in Agriculture, Elsevier, 2019, 157, pp.181-188
Computers and Electronics in Agriculture, Elsevier, 2019, 157, pp.181-188. ⟨10.1016/j.compag.2018.12.049⟩

International audience; The aim of this paper was to retrieve the absorption (µa) and reduced scattering (µ's) coefficients of whole apples which exhibit a complex shape. The effect of the local boundary curvature on the retrieved optical propertie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e89142fe0e548b3e431f991e1350c1fa
https://hal.archives-ouvertes.fr/hal-02333366/file/LAMPA_CEA_2019_LHUILLIER.pdf

Multispectral measurement of scattering-angular light distribution in apple skin and flesh samples

Autor: Mohamed Lamine Askoura, Jean-Pierre L'Huillier, Fabrice Vaudelle

Publikováno v: Applied Optics
Applied Optics, 2016, 55 (32), pp.9217

International audience; Knowledge of the optical properties of apple tissues such as skin and flesh is essential to better understand the light–tissue interaction process and to apply optical methods for apple quality inspection. This work aimed at

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb7f8e3e93916d19d97b93730d288eb7
https://pubmed.ncbi.nlm.nih.gov/27857310

Assessment of the effective attenuation coefficient of scattering media illuminated by an LED array: effect of the beam size

Autor: Jean-Pierre L'Huillier, Vianney Piron, Mohamed Lamine Askoura, Jean-Yves J.Y. Le Pommellec

Publikováno v: Proc. SPIE 9542, Medical Laser Applications and Laser-Tissue Interactions
European Conferences on Biomedical Optics 2015
European Conferences on Biomedical Optics 2015, Jun 2015, Munich, Germany. pp.1-8, ⟨10.1117/12.2183433⟩

The knowledge of the light fluence rate distribution inside a biological tissue irradiated by a Laser (or LED) is fundamental to achieve medical treatments. In this paper, we present a semi-analytical model based on the 2-D Fourier Transform of the d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5524b7fe05d0bf48f6382cf4a6bd80a2
https://doi.org/10.1117/12.2183433

Assessment of tissue optical parameters in a spherical geometry using three different optical spectroscopy methods: comparison based on a theoretical approach

Autor: Jean-Pierre L'Huillier, Fabrice Vaudelle, Mohamed Lamine Askoura

Publikováno v: Proc. SPIE 9538 : Diffuse Optical Imaging V
European Conferences on Biomedical Optics
European Conferences on Biomedical Optics, Jun 2015, Munich, Germany. pp.1-7, ⟨10.1117/12.2183760⟩

The non-invasive research of information inside the biological tissues can be made by means of continuous, time dependent or frequency modulated light source, emitting in the visible or infrared range. Moreover, the biological structures such as brai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53be34434917fe78368d054233e537bc
https://doi.org/10.1364/ecbo.2015.95381i