Self-contained, passive, non-contact, photoplethysmography: Real-time extraction of heart rates from live view within a Canon Powershot. - Henry G. Dietz; Chadwick Parrish; Kevin D. Donohue (Computational Imaging, 2019)

Autocorrelation-based, passive, non-contact, photoplethysmography: Computationally-efficient, noise-tolerant, extraction of heart rates from video. - Chadwick Parrish; Kevin D. Donohue; Henry G. Dietz (Computational Imaging, 2019)