mHealth spectroscopy of blood hemoglobin with spectral super-resolution
Posted on 2020-05-21 - 13:48
Although blood hemoglobin (Hgb) testing is a routine procedure in a variety of clinical situations, noninvasive, continuous, and real-time blood Hgb measurements are still challenging. Optical spectroscopy can offer noninvasive blood Hgb quantification, but requires bulky optical components that intrinsically limit the development of mobile health (mHealth) technologies. Here, we report spectral super-resolution (SSR) spectroscopy that virtually transforms the built-in camera (RGB sensor) of a smartphone into a hyperspectral imager for accurate and precise blood Hgb analyses. Statistical learning of SSR enables to reconstruct detailed spectra from three color RGB data. Peripheral tissue imaging with a mobile application is further combined to compute exact blood Hgb content without a priori personalized calibration. Measurements over a wide range of blood Hgb values show reliable performance of SSR blood Hgb quantification, compared with clinical laboratory tests. Given that SSR does not need additional hardware accessories, the mobility, simplicity, and affordability of conventional smartphones support the idea that SSR blood Hgb measurements can be used as an mHealth method.
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Park, Sang Mok; Onufrak, Michelle Visbal; Haque, Md; Were, Martin; Naanyu, Violet; Hasan, Kamrul; et al. (2020). mHealth spectroscopy of blood hemoglobin with spectral super-resolution. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4964177.v1
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AUTHORS (7)
SP
Sang Mok Park
MO
Michelle Visbal Onufrak
MH
Md Haque
MW
Martin Were
VN
Violet Naanyu
KH
Kamrul Hasan
YK
Young Kim