Many voice and chat systems have emerged with the advancement of deep learning and big data processing technology like
Alexa. However, there is still a large gap in implementing human-like conversation systems and there is a stigma around
acceptance of the technology.
Veyetals online smartphone-based application that can be downloaded through the Apple Store or the Google Play Store. It uses Remote Photoplethysmography (rPPG) technique to extract Blood Volume Pulse (BVP) signal from a face video captured using smart phone camera, and then applies multiple computational algorithms to measure heart rate, heart rate variability, oxygen saturation, and stress level from the BVP signal.
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