Human Activity Recognition Using Inertial Sensors in a Smartphone: Technical Background (Review). Al-Nahrain Journal of Science, [S. l.], v. 27, n. 1, p. 108–120, 2024. DOI: 10.22401/370q9638. Disponível em: https://anjs.edu.iq/index.php/anjs/article/view/2634. Acesso em: 27 apr. 2025.