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How I Built a Real-Time rPPG Heart Rate Tracker in Python (POS Algorithm & Butterworth Filtering)

Continuous biometric monitoring usually requires dedicated contact hardware like smartwatches or pulse oximeters. However, standard laptop webcams can capture subtle skin color variations caused by blood volume pulses (BVP). To explore non-contact vital signs monitoring without specialized sensors,…

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  1. 2026-09-26 19:46 · DEV Community — Machine Learning
    How I Built a Real-Time rPPG Heart Rate Tracker in Python (POS Algorithm & Butterworth Filtering)

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