The 2023 wearable photoplethysmography roadmap

PH Charlton, J Allen, R Bailón, S Baker… - Physiological …, 2023 - iopscience.iop.org
Photoplethysmography is a key sensing technology which is used in wearable devices such
as smartwatches and fitness trackers. Currently, photoplethysmography sensors are used to …

Mini review of photoacoustic clinical imaging: a noninvasive tool for disease diagnosis and treatment evaluation

H Liu, M Wang, F Ji, Y Jiang… - Journal of Biomedical …, 2024 - spiedigitallibrary.org
Significance Photoacoustic (PA) imaging is an imaging modality that integrates anatomical,
functional, metabolic, and histologic insights. It has been a hot topic of medical research and …

Investigation on the influence of the skin tone on hyperspectral imaging for free flap surgery

E Pachyn, M Aumiller, C Freymüller, M Linek… - Scientific Reports, 2024 - nature.com
Hyperspectral imaging (HSI) is a new emerging modality useful for the noncontact
assessment of free flap perfusion. This measurement technique relies on the optical …

Noninvasive blood glucose sensing by secondary speckle pattern artificial intelligence analyses

D Pal, A Kumar, N Avraham… - Journal of …, 2023 - spiedigitallibrary.org
Significance Diabetes is a prevalent disease worldwide that can cause severe health
problems. Accurate blood glucose detection is crucial for diabetes management, and …

Distribution-informed and wavelength-flexible data-driven photoacoustic oximetry

J Gröhl, K Yeung, K Gu, TR Else… - Journal of …, 2024 - spiedigitallibrary.org
Significance Photoacoustic imaging (PAI) promises to measure spatially resolved blood
oxygen saturation but suffers from a lack of accurate and robust spectral unmixing methods …

A comparative study of analytical models of diffuse reflectance in homogeneous biological tissues: Gelatin‐based phantoms and Monte Carlo experiments

A Bahl, S Segaud, Y **e, J Shapey… - Journal of …, 2024 - Wiley Online Library
Abstract Information about tissue oxygen saturation (StO2) and other related important
physiological parameters can be extracted from diffuse reflectance spectra measured …

Artificial neural networks trained on simulated multispectral data for real-time imaging of skin microcirculatory blood oxygen saturation

M Larsson, M Ewerlöf, EG Salerud… - Journal of …, 2024 - spiedigitallibrary.org
Significance Imaging blood oxygen saturation (SO 2) in the skin can be of clinical value
when studying ischemic tissue. Emerging multispectral snapshot cameras enable real-time …

Tutorial on methods for estimation of optical absorption and scattering properties of tissue

R Tao, J Gröhl, L Hacker, A Pifferi… - Journal of …, 2024 - spiedigitallibrary.org
Significance The estimation of tissue optical properties using diffuse optics has found a
range of applications in disease detection, therapy monitoring, and general health care …

Periodic-net: an end-to-end data driven framework for diffuse optical imaging of breast cancer from noisy boundary data

N Murad, MC Pan, YF Hsu - Journal of Biomedical Optics, 2023 - spiedigitallibrary.org
Significance The machine learning (ML) approach plays a critical role in assessing
biomedical imaging processes especially optical imaging (OI) including segmentation …

Pulse Oximetry Imaging System Using Spatially Uniform Dual Wavelength Illumination

R Muhammad, KT Htun, EE Nettey-Oppong, A Ali… - Sensors, 2023 - mdpi.com
Pulse oximetry is a non-invasive method for measuring blood oxygen saturation. However,
its detection scheme heavily relies on single-point measurements. If the oxygen saturation is …