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