Hernando, AlbertoAlbertoHernandoPelaez, Maria DoloresMaria DoloresPelaezLozano, Maria TeresaMaria TeresaLozanoAiger, MontserratMontserratAigerGil, EduardoEduardoGilLazaro, JesusJesusLazaro2021-10-242021-10-242017https://imec-publications.be/handle/20.500.12860/28491Finger and forehead PPG signal comparison for respiratory rate estimation based on pulse amplitude variabilityProceedings paperhttps://ieeexplore.ieee.org/document/8081575