FEATURE SELECTION IN FREQUENCY DOMAIN FOR STATIONARY ECG SIGNAL FOR ECG BEAT CLASSIFICATION. INDIAN JOURNAL OF INFORMATION TECHNOLOGY (INDJIT), [S. l.], v. 1, n. 1, p. 01–13, 2014. Disponível em: https://iaeme-library.com/index.php/INDJIT/article/view/INDJIT_01_01_001.. Acesso em: 26 mar. 2026.