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Non-invasive Measurement of Human Pulse Based on Photographic Images of the Face

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Information Technology in Biomedicine (ITIB 2022)

Part of the book series: Advances in Intelligent Systems and Computing ((AISC,volume 1429))

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Abstract

The focus of this study was to test a contactless photoplethysmography based method to calculate pulse of a patient from a video recording of their face. For this purpose deep convolution neural network was used for detection the region of interest skin area of face and then analyzing of the variability of the image values was processed as a signal in frequency domain for pulse reconstruction. The method was tested on three video sets with different video resolutions: 1920 \(\times \) 1080 px, 960 \(\times \) 540 px, and 640 \(\times \) 580 px. The best results came from a set with a resolution of 960 \(\times \) 540 px, with a relative error of 10.6%, and an absolute error of 10.4 BPM, and a processing speed of 3.7 FPS. The method can be useful when it is impossible to use dedicated medical equipment to measure the human pulse.

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Correspondence to Dominik Spinczyk .

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Gumulski, J., Jankowska, M., Spinczyk, D. (2022). Non-invasive Measurement of Human Pulse Based on Photographic Images of the Face. In: Pietka, E., Badura, P., Kawa, J., Wieclawek, W. (eds) Information Technology in Biomedicine. ITIB 2022. Advances in Intelligent Systems and Computing, vol 1429. Springer, Cham. https://doi.org/10.1007/978-3-031-09135-3_38

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