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July 31, 2025Applied SciencesOpen Access

Camera-Based Vital Sign Estimation Techniques and Mobile App Development

Tae-Wuk Bae Young-Choon Kim In Ho Sohng Kee-Koo Kwon

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Key Points

The proposed techniques achieve accurate heart rate detection without contact, enhancing usability.
Heart rate and oxygen saturation were estimated using a smartphone camera, showing improved accuracy over existing methods.
The methods utilized power spectral density analysis and color channel absorption theories to derive vital signs.
Confidence intervals for heart rate and oxygen saturation detection were validated through Bland–Altman plots.

Implication

Camera-based methods improve heart rate and oxygen saturation detection in noncontact settings, suggesting advances in mobile health technology.

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Cite This Study

Bae et al. (2025) studied this question.

synapsesocial.com/papers/68c1c9dd54b1d3bfb60f2f95 https://doi.org/10.3390/app15158509

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