Extracción del Pulso de Volumen Sanguíneo a partir de Vídeo Facial con Luz Ambiental

Análisis de microvariaciones en la absorción de luz verde causadas por el pulso sanguíneo en capilares de la frente y pómulos.

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.