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PATHS-UP and Expeditions in Computing RET 2018
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paths-up-ret2018

DIY PPG: COMPARISON OF WAVEFORM PARAMETERS FROM OPEN-SOURCE VS COMMERCIAL PHOTOPLETHYSMOGRAPHY

Abstract: Commercial pulse oximeters often use proprietary data acquisition and visualization techniques, making it difficult to perform digital signal processing on waveform data. Careful, detailed analysis is critical when using the photoplethysmogram (PPG) for diagnostic and therapeutic purposes. Open hardware and software systems offer full access the PPG signal itself plus the algorithms for acquiring and analyzing the signal. This study compares parameters obtained from PPG signal using a closed system to that same data using an open system. The viability of a future FDA-approved open-source pulse sensing ystem is explored. The inter beat interval, average beats per minute, and waveform visualization techniques were compared. Data acquisition techniques were explored and compared between the systems as well as hardware and algorithmic comparisons. Code for accessing the data from the devices, analyzing the data, and visualizing the data will be discussed. Languages included Python, Arduino, Processing, C++, and RISC-based assembly.

Need to cite this? DOI: 10.13140/RG.2.2.13067.23842

http://www.jimmynewland.com/wp/about-jimmy/presentations/comparing-ppg-signals-open-vs-closed/

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