NDLI: Derivation of absorption coefficient and reduced scattering coefficient with edge-loss method and comparison with video reflectometry method

Content Provider	Springer Nature Link
Author	Yoshida, Kenichiro
Copyright Year	2016
Abstract	We derived the absorption coefficient (μ a) and the reduced scattering coefficient (μ s′) using the edge-loss method (ELM) and the video reflectometry method (VRM), and compared the results. In a previous study, we developed the ELM to easily evaluate the lateral spread in the skin; the VRM is a conventional method. The ELM measures the translucency index, which is correlated with μ a and μ s′. To obtain a precise estimation of these parameters, we improved the treatment of a white standard and the surface reflection. For both skin phantoms and actual skin, the values for μ a and μ s′ that we obtained using the ELM were similar to those obtained using the VRM, when μ a/μ s′ was less than or equal to 0.05 and the diffusion approximation was applicable. Under this condition, the spectral reflectivity is greater than 0.4. In this study, we considered wavelengths longer than 600 nm for Types III and IV of the Fitzpatrick scale. For skin, the repeatability errors of the parameters obtained with the ELM were smaller than those obtained with the VRM; this can be an advantage in field tests.
Starting Page	579
Ending Page	586
Page Count	8
File Format	PDF
ISSN	13406000
Journal	Optical Review
Volume Number	23
Issue Number	4
e-ISSN	13499432
Language	English
Publisher	Springer Japan
Publisher Date	2016-07-05
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Translucency Absorption coefficient Reduced scattering coefficient Edge loss Diffuse reflectance Skin tissue Optics, Optoelectronics, Plasmonics and Optical Devices Atomic, Molecular, Optical and Plasma Physics Quantum Optics Microwaves, RF and Optical Engineering
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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