Photoplethysmographic sensor with smoothed output signals

Janis Spigulis; Uldis Rubins

doi:10.1117/12.336933

15 January 1999 Photoplethysmographic sensor with smoothed output signals

Janis Spigulis, Uldis Rubins

Proceedings Volume 3570, Biomedical Sensors, Fibers, and Optical Delivery Systems; (1999) https://doi.org/10.1117/12.336933
Event: BiOS Europe '98, 1998, Stockholm, Sweden

Abstract

A reflectance-type photoplethysmographic sensor probe connected to personal computer has been constructed and tested. Special algorithms and PC programs providing fast processing and smoothing of the output signals were developed. High-quality single period photoplethysmography signals were recorded from various locations of the body (fingers, forearm, neck). Clear differences in the shapes of detected single-period signals have been observed for different persons, and also for the same person at various measurement locations and before/after physical exercise.

Citation Download Citation

Janis Spigulis and Uldis Rubins "Photoplethysmographic sensor with smoothed output signals", Proc. SPIE 3570, Biomedical Sensors, Fibers, and Optical Delivery Systems, (15 January 1999); https://doi.org/10.1117/12.336933

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