Extraire le Pouls Volumique Sanguin d'une Vidéo du Visage en Lumière Ambiante

Analyse des micro-variations d'absorption de la lumière verte causées par le sang pulsant dans les capillaires du front et des pommettes.

Illumination Invariant Chroma Decomposition

Projecting RGB pixel channels into chrominance subspaces eliminates false pulse signals caused by sunlight passing through highway roadside trees.

Measures heart rate with ±1.5 bpm clinical accuracy without skin contact.
Continuous pulse rate, respiratory rate, and blood oxygen estimation.
Robust tracking across diverse skin tones adhering to the Fitzpatrick scale.
Zero degradation under pitch-black night-time driving using 940nm infrared illumination.