PPG-based Vital Signs Measurement Using SmartPhone Camera: Review. NTU Journal of Engineering and Technology, [S. l.], v. 3, n. 2, 2024. DOI: 10.56286/ntujet.v3i2.788. Disponível em: https://journals.ntu.edu.iq/index.php/NTU-JET/article/view/788.. Acesso em: 9 apr. 2025.