Abstract:<p>Camera-based remote photoplethysmography (rPPG) technology has shown a promising future in contact-free cardiac and other smart health applications. The rPPG technology typically requires facial videos as a source input, which may lead to identity-privacy concerns. Facial videos are sensitive and contain subjects' identifiable appearance features. Coupled with the health information potentially revealed by rPPG techniques, the compounding sensitivity has been a major obstacle to encouraging the sharin… Show more
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