Moeini Maenesh, Mohammad Mahdi, Goljarian, Mehrshad, Shayestehfar, Vania, Fotowat-Ahmady, Ali (2026). Automatic PAC and PVC Arrhythmia Detection in Single-Lead ECG Signals Using Specialized ResNet-Based Models. *Journal of Information and Communication Technology*, 18(68), 148-156.