... areas: the practical applications of PPG-derived metrics in athletic training and recovery; the multifaceted challenges to data fidelity, with a deep dive into motion artifacts and validation frameworks; and the evolution of signal processing and machine learning techniques for enhanced accuracy...

... conducted to improve wearable health-care monitoring systems to obtain clinically relevant diagnoses. The accuracy of this system is limited by several challenges, such as motion artifacts (MA), power line interference, false detection and acquiring vitals using dry electrodes. This paper aims to focus...