2015
DOI: 10.1117/12.2083940
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Effects of frame rate and image resolution on pulse rate measured using multiple camera imaging photoplethysmography

Abstract: Non-contact, imaging photoplethysmography uses cameras to facilitate measurements including pulse rate, pulse rate variability, respiration rate, and blood perfusion by measuring characteristic changes in light absorption at the skin's surface resulting from changes in blood volume in the superficial microvasculature. Several factors may affect the accuracy of the physiological measurement including imager frame rate, resolution, compression, lighting conditions, image background, participant skin tone, and pa… Show more

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Cited by 29 publications
(20 citation statements)
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“…As wearable healthcare technology and the research of light propagation in human tissues are progressing, it is expected that PPG applications will expand. For instance, there is a growing interest to remotely depict PPG through imaging such as contactless video-photoplethysmography (vPPG) 50 or imaging PPG (IPPG) 51 .…”
Section: Future Directionsmentioning
confidence: 99%
“…As wearable healthcare technology and the research of light propagation in human tissues are progressing, it is expected that PPG applications will expand. For instance, there is a growing interest to remotely depict PPG through imaging such as contactless video-photoplethysmography (vPPG) 50 or imaging PPG (IPPG) 51 .…”
Section: Future Directionsmentioning
confidence: 99%
“…Briefly, they developed a multi-imager array, which includes nine synchronized digital cameras coupling with 10 full-spectrum bulbs [105], [107]. Through increasing the dimensionality of the imager channel space prior to the blind source separation, they achieved satisfactory HR readings compared to the motionless fingertip references, showing a promising trend for the development and transition of IPPG for everyday use.…”
Section: Recent Advances In Ippgmentioning
confidence: 99%
“…When choosing the compression and file format for storing iPPG video datasets this must be considered. The resolution and framerate [3] of a video has an expected and less significant impact on the performance of iPPG algorithms. Super resolution [18] can be used to reduce the error in heart rate estimates from low-resolution videos.…”
Section: Impact Of Video Parametersmentioning
confidence: 99%