Measuring the Optical Properties of Highly Diffuse Materials.
BSSRDF
absorption coefficient
imaging device
inversion model
material appearance
reduced scattering coefficient
Journal
Sensors (Basel, Switzerland)
ISSN: 1424-8220
Titre abrégé: Sensors (Basel)
Pays: Switzerland
ID NLM: 101204366
Informations de publication
Date de publication:
01 Aug 2023
01 Aug 2023
Historique:
received:
04
07
2023
revised:
28
07
2023
accepted:
30
07
2023
medline:
12
8
2023
pubmed:
12
8
2023
entrez:
12
8
2023
Statut:
epublish
Résumé
Measuring the optical properties of highly diffuse materials is a challenge as it could be related to the white colour or an oversaturation of pixels in the acquisition system. We used a spatially resolved method and adapted a nonlinear trust-region algorithm to the fit Farrell diffusion theory model. We established an inversion method to estimate two optical properties of a material through a single reflectance measurement: the absorption and the reduced scattering coefficient. We demonstrate the validity of our method by comparing results obtained on milk samples, with a good fitting and a retrieval of linear correlations with the fat content, given by R2 scores over 0.94 with low
Identifiants
pubmed: 37571636
pii: s23156853
doi: 10.3390/s23156853
pmc: PMC10422425
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
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