ArticleBiophotonics discovery2025
Skin tone corrected pulse oximetry models evaluated through reflective pulsatile Monte Carlo simulations.
Article in Biophotonics discovery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Quantitative evaluation of skin pigmentation effects on photoplethysmography using vascular finger phantoms and Monte Carlo simulation.Journal of biomedical optics · 2026Article
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Significance: Skin tone bias in pulse oximetry is frequently reported to lead to overestimation of arterial blood oxygen saturation ( Aim: We aim to mitigate skin tone bias in pulse oximetry by integrating a melanin correction factor into the conventional ratio-of-ratios approach. We employ pulsatile Monte Carlo simulation to systematically map the "ratio of ratios" ( Approach: A six-layered skin model is implemented to approximate the microstructure of human skin, allowing diffuse reflectance computations through Monte Carlo methods. Pulsatile effects are captured by modeling diastolic and systolic phrases, facilitating the calculation of Results: Skin tone induced error is quantified and mitigated by incorporating a melanin correction factor into conventional ratio-of-ratios. The inclusion of a melanin-dependent variable results in a substantial reduction in skin tone bias. Conclusions: Monte Carlo simulations offer precise control over both melanin content and
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