فهرس المقالات Reza Mortazavi المقاله 1 - Learning Rate Optimization of U-Net Architecture Using Grasshopper Optimization Algorithm to Enhance Accuracy in CT Image Segmentation of COVID-19 Patients https://doi.org/10.82553/josc.2025.202504281205187 Alireza Mehravin Mostafa Zaare Reza Mortazavi مجله بهینه سازی در محاسبات نرم , العدد 7 , السنة 3 , بهار 2025