Smartphone-based single snapshot spatial frequency domain imaging

被引：2

作者：

Lam, Jesse H. ^{[1
]}

TU, Kelsey J. ^{[2
]}

Kim, Jeonghun ^{[2
,3
]}

Kim, Sehwan ^{[2
,4
]}

机构：

[1] Dankook Univ, Beckman Laser Inst Korea, Sch Med, Cheonan, Chungnam, South Korea

[2] Dankook Univ, Dept Biomed Engn, Cheonan, Chungnam, South Korea

[3] Dankook Univ, MEDiThings Co Ltd, Ind Acad Cooperat, Cheonan, Chungnam, South Korea

[4] Univ Calif Irvine, Beckman Laser Inst, Dept Biomed Engn, Irvine, CA 92697 USA

来源：

BIOMEDICAL OPTICS EXPRESS | 2022年 / 13卷 / 12期

基金：

新加坡国家研究基金会;

关键词：

OPTICAL-PROPERTIES; DERMOSCOPY; STATE;

D O I：

10.1364/BOE.470665

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

We report a handheld, smartphone-based spatial frequency domain imaging device. We first examined the linear dynamic range of the smartphone camera sensor. We then calculated optical properties for a series of liquid phantoms with varying concentrations of nigrosin ink and Intralipid, demonstrating separation of absorption and scattering. The device was then tested on a human wrist, where optical properties and hemoglobin-based chromophores were calculated. Finally, we performed an arterial occlusion on a human hand and captured hemodynamics using our device. We hope to lay the foundation for an accessible SFDI device with mass-market appeal designed for dermatological and cosmetic applications. (c) 2022 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement

引用

页码：6497 / 6507

页数：11

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