Impact of skin tone on photoacoustic oximetry and tools to minimize bias
Y Mantri, JV Jokerst - Biomedical Optics Express, 2022 - opg.optica.org
The major optical absorbers in tissue are melanin and oxy/deoxy-hemoglobin, but the
impact of skin tone and pigmentation on biomedical optics is still not completely understood …
impact of skin tone and pigmentation on biomedical optics is still not completely understood …
Learned spectral decoloring enables photoacoustic oximetry
The ability of photoacoustic imaging to measure functional tissue properties, such as blood
oxygenation sO 2, enables a wide variety of possible applications. sO 2 can be computed …
oxygenation sO 2, enables a wide variety of possible applications. sO 2 can be computed …
Estimating blood oxygenation from photoacoustic images: can a simple linear spectroscopic inversion ever work?
R Hochuli, L An, PC Beard… - Journal of biomedical …, 2019 - spiedigitallibrary.org
Linear spectroscopic inversions, in which photoacoustic amplitudes are assumed to be
directly proportional to absorption coefficients, are widely used in photoacoustic imaging to …
directly proportional to absorption coefficients, are widely used in photoacoustic imaging to …
A review of the effect of skin pigmentation on pulse oximeter accuracy
R Al-Halawani, PH Charlton, M Qassem… - Physiological …, 2023 - iopscience.iop.org
Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen
saturation (SpO2) in a variety of clinical settings and scenarios. Despite being one the most …
saturation (SpO2) in a variety of clinical settings and scenarios. Despite being one the most …
Single-wavelength blood oxygen saturation sensing with combined optical absorption and scattering
Blood oxygen saturation (SO2) reflects the oxygenation level in blood transport and tissue.
Previous studies have shown the capability of non-invasive quantitative measurements of …
Previous studies have shown the capability of non-invasive quantitative measurements of …
Effects of wavelength-dependent fluence attenuation on the noninvasive photoacoustic imaging of hemoglobin oxygen saturation in subcutaneous vasculature in vivo
Quantitative measurements of the oxygen saturation of hemoglobin (sO 2) in a blood vessel
in vivo presents a challenge in photoacoustic imaging. As a result of wavelength-dependent …
in vivo presents a challenge in photoacoustic imaging. As a result of wavelength-dependent …
Photoacoustic oximetry imaging performance evaluation using dynamic blood flow phantoms with tunable oxygen saturation
Multispectral photoacoustic oximetry imaging (MPOI) is an emerging hybrid modality that
enables the spatial mapping of blood oxygen saturation (SO_2) to depths of several …
enables the spatial mapping of blood oxygen saturation (SO_2) to depths of several …
[HTML][HTML] Photoacoustic tomography of blood oxygenation: a mini review
Photoacoustic tomography (PAT) is a hybrid imaging modality that combines rich contrast of
optical excitation and deep penetration of ultrasound detection. With its unique optical …
optical excitation and deep penetration of ultrasound detection. With its unique optical …
Quantitative blood oxygen saturation imaging using combined photoacoustics and acousto-optics
A Hussain, W Petersen, J Staley, E Hondebrink… - Optics letters, 2016 - opg.optica.org
In photoacoustic spectroscopy (PAS), wavelength dependent optical attenuation of
biological tissue presents a challenge to measure the absolute oxygen saturation of …
biological tissue presents a challenge to measure the absolute oxygen saturation of …
Pulse oximetry based on photoplethysmography imaging with red and green light: Calibratability and challenges
A Moço, W Verkruysse - Journal of clinical monitoring and computing, 2021 - Springer
Remotely measuring the arterial blood oxygen saturation (SpO 2) in visible light (Vis)
involves different probing depths, which may compromise calibratibility. This paper assesses …
involves different probing depths, which may compromise calibratibility. This paper assesses …