An improved electrocardiogram arrhythmia classification performance with feature optimization. - Darmawahyuni, Annisa; Nurmaini, Siti; Tutuko, Bambang; Rachmatullah, Muhammad Naufal; Firdaus, Firdaus; Sapitri, Ade Iriani; Islami, Anggun; Marcelino, Jordan; Isdwanta, Rendy; Perwira, Muhammad Ikhwan (BMC Medical Informatics & Decision Making, 2024)