JBO Letters

Study of smartphone suitability for mapping of skin chromophores

[+] Author Affiliations
Ilona Kuzmina, Matiss Lacis, Janis Spigulis

University of Latvia, Institute of Atomic Physics and Spectroscopy, Biophotonics Laboratory, Raina Boulevard 19, Riga LV-1586, Latvia

Anna Berzina

The Clinic of Laser Plastics, Baznicas Street 31, Riga LV-1010, Latvia

Lauma Valeine

Beauty Clinic “4th Dimension”, Pulkveza Brieza Street 15, Riga LV-1010, Latvia

J. Biomed. Opt. 20(9), 090503 (Sep 25, 2015). doi:10.1117/1.JBO.20.9.090503
History: Received July 29, 2015; Accepted August 28, 2015
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Abstract.  RGB (red-green-blue) technique for mapping skin chromophores by smartphones is proposed and studied. Three smartphones of different manufacturers were tested on skin phantoms and in vivo on benign skin lesions using a specially designed light source for illumination. Hemoglobin and melanin indices obtained by these smartphones showed differences in both tests. In vitro tests showed an increment of hemoglobin and melanin indices with the concentration of chromophores in phantoms. In vivo tests indicated higher hemoglobin index in hemangiomas than in nevi and healthy skin, and nevi showed higher melanin index compared to the healthy skin. Smartphones that allow switching off the automatic camera settings provided useful data, while those with “embedded” automatic settings appear to be useless for distant skin chromophore mapping.

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© 2015 Society of Photo-Optical Instrumentation Engineers

Citation

Ilona Kuzmina ; Matiss Lacis ; Janis Spigulis ; Anna Berzina and Lauma Valeine
"Study of smartphone suitability for mapping of skin chromophores", J. Biomed. Opt. 20(9), 090503 (Sep 25, 2015). ; http://dx.doi.org/10.1117/1.JBO.20.9.090503


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